[{"data":1,"prerenderedAt":1947},["ShallowReactive",2],{"content-/cperez/2026-07-09/5-rs-application-modernization-legacy-software":3},{"article":4,"all":988},{"_path":5,"_dir":6,"_draft":7,"_partial":7,"_locale":8,"title":9,"description":10,"publishDate":11,"image":12,"author":13,"tags":16,"excerpt":10,"body":21,"_type":982,"_id":983,"_source":984,"_file":985,"_stem":986,"_extension":987},"/cperez/2026-07-09/5-rs-application-modernization-legacy-software","2026-07-09",false,"","Art+Logic’s 5 Rs of Application Modernization: How to Choose the Right Path for Legacy Software","Legacy software creates a strange kind of tension.","2026-07-01","/cperez/2026-07-09/img/5-rs-application-modernization-legacy-software.jpg",{"name":14,"user":15},"Carlos Perez","cperez",[17,18,19,20],"5-rs","legacy","ai","application modernization",{"type":22,"children":23,"toc":955},"root",[24,31,36,41,46,51,67,74,79,84,89,94,99,105,110,140,145,150,156,161,166,171,200,205,210,215,221,226,231,236,269,274,279,285,290,295,300,305,333,338,343,348,354,359,364,369,374,417,422,427,432,437,442,447,453,458,463,468,473,511,516,521,526,531,537,542,549,554,559,564,570,575,580,585,591,596,601,606,612,617,622,627,633,638,643,648,653,658,696,701,706,711,717,722,843,848,853,859,864,869,874,879,884,889,894,900,906,911,917,922,928,933,939,944,950],{"type":25,"tag":26,"props":27,"children":28},"element","p",{},[29],{"type":30,"value":10},"text",{"type":25,"tag":26,"props":32,"children":33},{},[34],{"type":30,"value":35},"On one hand, it may be slow, brittle, expensive to maintain, hard to integrate, difficult to hire for, or increasingly risky from a security and compliance standpoint. On the other hand, it probably exists for a reason. It runs the workflows your business depends on. It contains years of operational knowledge. It encodes decisions, edge cases, user expectations, and business logic that may not be documented anywhere else.",{"type":25,"tag":26,"props":37,"children":38},{},[39],{"type":30,"value":40},"That’s why application modernization is rarely as simple as “rewrite it” or “move it to the cloud.”",{"type":25,"tag":26,"props":42,"children":43},{},[44],{"type":30,"value":45},"The common “5 Rs” framework can be useful, but only if you treat it as a decision model, not a menu of buzzwords. The right modernization path depends on what the system does, where the risk lives, how much business value the current software still provides, and what future you need it to support.",{"type":25,"tag":26,"props":47,"children":48},{},[49],{"type":30,"value":50},"At Art+Logic, we’ve spent more than 30 years designing, building, rescuing, and modernizing custom software. Our view is simple: the best modernization strategy is the one that improves the system without losing what made it valuable in the first place.",{"type":25,"tag":26,"props":52,"children":53},{},[54,56,65],{"type":30,"value":55},"For organizations evaluating ",{"type":25,"tag":57,"props":58,"children":62},"a",{"href":59,"rel":60},"https://artandlogic.com/modernizing-legacy-software/",[61],"nofollow",[63],{"type":30,"value":64},"legacy software modernization",{"type":30,"value":66},", the 5 Rs are a helpful starting point. But choosing among them requires more than a technical inventory. It requires judgment.",{"type":25,"tag":68,"props":69,"children":71},"h3",{"id":70},"first-modernization-starts-with-understanding",[72],{"type":30,"value":73},"First: Modernization Starts With Understanding",{"type":25,"tag":26,"props":75,"children":76},{},[77],{"type":30,"value":78},"Before choosing a path, you need to understand what you actually have.",{"type":25,"tag":26,"props":80,"children":81},{},[82],{"type":30,"value":83},"That sounds obvious until you’re inside a legacy system that has been evolving for 10, 15, or 25 years. Business rules may be buried in code. Integrations may depend on undocumented behavior. A “weird” workflow may exist because a key customer, regulator, or operational team depends on it. A report no one wants to touch may drive executive decisions every Monday morning.",{"type":25,"tag":26,"props":85,"children":86},{},[87],{"type":30,"value":88},"This is where many modernization projects go sideways. They start by asking, “What technology should we move to?” when the better first question is, “What value does this system provide, and where is it holding us back?”",{"type":25,"tag":26,"props":90,"children":91},{},[92],{"type":30,"value":93},"That distinction matters.",{"type":25,"tag":26,"props":95,"children":96},{},[97],{"type":30,"value":98},"Modernization should not preserve every old technical decision. It should preserve the business value those decisions created while removing the constraints that prevent the organization from moving forward.",{"type":25,"tag":68,"props":100,"children":102},{"id":101},"our-5-rs-of-application-modernization",[103],{"type":30,"value":104},"Our 5 Rs of Application Modernization",{"type":25,"tag":26,"props":106,"children":107},{},[108],{"type":30,"value":109},"Different companies define the Rs differently. Some versions come from cloud migration. Others are adapted for enterprise architecture or application portfolio planning. For legacy software, we find the most practical version is this:",{"type":25,"tag":111,"props":112,"children":113},"ol",{},[114,120,125,130,135],{"type":25,"tag":115,"props":116,"children":117},"li",{},[118],{"type":30,"value":119},"Retain",{"type":25,"tag":115,"props":121,"children":122},{},[123],{"type":30,"value":124},"Retire",{"type":25,"tag":115,"props":126,"children":127},{},[128],{"type":30,"value":129},"Rehost or Replatform",{"type":25,"tag":115,"props":131,"children":132},{},[133],{"type":30,"value":134},"Refactor or Rearchitect",{"type":25,"tag":115,"props":136,"children":137},{},[138],{"type":30,"value":139},"Rebuild or Replace",{"type":25,"tag":26,"props":141,"children":142},{},[143],{"type":30,"value":144},"Each path has a place. The mistake is assuming one of them is inherently more modern than the others.",{"type":25,"tag":26,"props":146,"children":147},{},[148],{"type":30,"value":149},"Sometimes the smartest move is to rebuild. Sometimes it’s to refactor a critical module. Sometimes it’s to leave a stable system alone and focus resources elsewhere. Good modernization is not about changing everything. It’s about changing the right things in the right order.",{"type":25,"tag":68,"props":151,"children":153},{"id":152},"_1-retain-keep-what-still-works",[154],{"type":30,"value":155},"1. Retain: Keep What Still Works",{"type":25,"tag":26,"props":157,"children":158},{},[159],{"type":30,"value":160},"Retaining a legacy application may not sound like modernization, but sometimes it is the right decision.",{"type":25,"tag":26,"props":162,"children":163},{},[164],{"type":30,"value":165},"Not all legacy software is broken. Some systems are old but stable. They may run a narrow business process, serve a small internal audience, or perform reliably with minimal maintenance. Replacing them too soon can create more risk than value.",{"type":25,"tag":26,"props":167,"children":168},{},[169],{"type":30,"value":170},"Retain is the right path when:",{"type":25,"tag":172,"props":173,"children":174},"ul",{},[175,180,185,190,195],{"type":25,"tag":115,"props":176,"children":177},{},[178],{"type":30,"value":179},"The system is stable and low-risk",{"type":25,"tag":115,"props":181,"children":182},{},[183],{"type":30,"value":184},"Maintenance costs are predictable",{"type":25,"tag":115,"props":186,"children":187},{},[188],{"type":30,"value":189},"The business process is not changing significantly",{"type":25,"tag":115,"props":191,"children":192},{},[193],{"type":30,"value":194},"The application has limited integration, security, or compliance exposure",{"type":25,"tag":115,"props":196,"children":197},{},[198],{"type":30,"value":199},"Modernizing it would distract from higher-priority work",{"type":25,"tag":26,"props":201,"children":202},{},[203],{"type":30,"value":204},"The key is that “retain” should be an active decision, not neglect in disguise.",{"type":25,"tag":26,"props":206,"children":207},{},[208],{"type":30,"value":209},"If you choose to keep a system, document why. Identify what would cause you to revisit the decision. Monitor risk factors like unsupported dependencies, aging infrastructure, security exposure, vendor end-of-life timelines, and the availability of people who still understand the system.",{"type":25,"tag":26,"props":211,"children":212},{},[213],{"type":30,"value":214},"A retained application still needs stewardship. Otherwise, today’s reasonable decision can become tomorrow’s emergency.",{"type":25,"tag":68,"props":216,"children":218},{"id":217},"_2-retire-remove-what-no-longer-creates-value",[219],{"type":30,"value":220},"2. Retire: Remove What No Longer Creates Value",{"type":25,"tag":26,"props":222,"children":223},{},[224],{"type":30,"value":225},"Some legacy systems are not worth modernizing.",{"type":25,"tag":26,"props":227,"children":228},{},[229],{"type":30,"value":230},"They may support obsolete processes, duplicate newer tools, or exist only because no one has taken the time to shut them down safely. In those cases, retirement can be the highest-ROI modernization move available.",{"type":25,"tag":26,"props":232,"children":233},{},[234],{"type":30,"value":235},"Retirement is not simply turning something off. It often requires careful discovery:",{"type":25,"tag":172,"props":237,"children":238},{},[239,244,249,254,259,264],{"type":25,"tag":115,"props":240,"children":241},{},[242],{"type":30,"value":243},"Who still uses the system?",{"type":25,"tag":115,"props":245,"children":246},{},[247],{"type":30,"value":248},"What data needs to be archived?",{"type":25,"tag":115,"props":250,"children":251},{},[252],{"type":30,"value":253},"Are there downstream dependencies?",{"type":25,"tag":115,"props":255,"children":256},{},[257],{"type":30,"value":258},"Are there compliance or audit requirements?",{"type":25,"tag":115,"props":260,"children":261},{},[262],{"type":30,"value":263},"Does another system need to absorb part of the workflow?",{"type":25,"tag":115,"props":265,"children":266},{},[267],{"type":30,"value":268},"What communication and training will users need?",{"type":25,"tag":26,"props":270,"children":271},{},[272],{"type":30,"value":273},"This is where a legacy portfolio can surprise you. A system that appears unused may still generate a monthly export for finance. A database that seems obsolete may contain historical records required for compliance. A dusty internal tool may be the only place a support team can look up a specific customer scenario.",{"type":25,"tag":26,"props":275,"children":276},{},[277],{"type":30,"value":278},"Retirement works best when it is deliberate. The goal is not just to remove old software. It is to reduce complexity without breaking an invisible process the business still depends on.",{"type":25,"tag":68,"props":280,"children":282},{"id":281},"_3-rehost-or-replatform-move-the-system-to-a-better-foundation",[283],{"type":30,"value":284},"3. Rehost or Replatform: Move the System to a Better Foundation",{"type":25,"tag":26,"props":286,"children":287},{},[288],{"type":30,"value":289},"Rehosting and replatforming are often grouped together, but they are not exactly the same.",{"type":25,"tag":26,"props":291,"children":292},{},[293],{"type":30,"value":294},"Rehosting usually means moving an application to new infrastructure with minimal code changes. Think of moving from on-premises servers to cloud infrastructure. Replatforming goes a step further by making targeted changes so the application can run more efficiently or reliably on a new platform.",{"type":25,"tag":26,"props":296,"children":297},{},[298],{"type":30,"value":299},"This path can make sense when the application still provides value, but the environment around it is becoming a problem.",{"type":25,"tag":26,"props":301,"children":302},{},[303],{"type":30,"value":304},"Choose this path when:",{"type":25,"tag":172,"props":306,"children":307},{},[308,313,318,323,328],{"type":25,"tag":115,"props":309,"children":310},{},[311],{"type":30,"value":312},"Infrastructure is expensive, fragile, or hard to support",{"type":25,"tag":115,"props":314,"children":315},{},[316],{"type":30,"value":317},"The application needs better scalability or uptime",{"type":25,"tag":115,"props":319,"children":320},{},[321],{"type":30,"value":322},"Hardware or hosting environments are nearing end of life",{"type":25,"tag":115,"props":324,"children":325},{},[326],{"type":30,"value":327},"Cloud migration would reduce operational burden",{"type":25,"tag":115,"props":329,"children":330},{},[331],{"type":30,"value":332},"You need a safer first step before deeper modernization",{"type":25,"tag":26,"props":334,"children":335},{},[336],{"type":30,"value":337},"Rehosting or replatforming can reduce risk, improve reliability, and create room for future work. But it is not a cure-all.",{"type":25,"tag":26,"props":339,"children":340},{},[341],{"type":30,"value":342},"Moving a brittle system to modern infrastructure does not automatically make the codebase healthier. A cloud migration can improve operations while leaving product debt, design debt, process debt, and architectural constraints untouched.",{"type":25,"tag":26,"props":344,"children":345},{},[346],{"type":30,"value":347},"That is not a reason to avoid it. It is a reason to be honest about what this path solves and what it does not.",{"type":25,"tag":68,"props":349,"children":351},{"id":350},"_4-refactor-or-rearchitect-improve-the-system-without-starting-over",[352],{"type":30,"value":353},"4. Refactor or Rearchitect: Improve the System Without Starting Over",{"type":25,"tag":26,"props":355,"children":356},{},[357],{"type":30,"value":358},"Refactoring is one of the most misunderstood modernization paths.",{"type":25,"tag":26,"props":360,"children":361},{},[362],{"type":30,"value":363},"It does not mean rewriting the application from scratch. It means improving the internal structure of the system while preserving its essential behavior. Rearchitecting goes deeper, changing how major parts of the system are organized so it can support new scale, features, integrations, or operating models.",{"type":25,"tag":26,"props":365,"children":366},{},[367],{"type":30,"value":368},"This is often the sweet spot for legacy modernization.",{"type":25,"tag":26,"props":370,"children":371},{},[372],{"type":30,"value":373},"Refactor or rearchitect when:",{"type":25,"tag":172,"props":375,"children":376},{},[377,382,387,392,397,402,407,412],{"type":25,"tag":115,"props":378,"children":379},{},[380],{"type":30,"value":381},"Small changes take too long",{"type":25,"tag":115,"props":383,"children":384},{},[385],{"type":30,"value":386},"Developers avoid parts of the codebase",{"type":25,"tag":115,"props":388,"children":389},{},[390],{"type":30,"value":391},"Bugs keep returning after they are “fixed”",{"type":25,"tag":115,"props":393,"children":394},{},[395],{"type":30,"value":396},"New hires need months to become productive",{"type":25,"tag":115,"props":398,"children":399},{},[400],{"type":30,"value":401},"Integrations are painful",{"type":25,"tag":115,"props":403,"children":404},{},[405],{"type":30,"value":406},"Testing is weak or inconsistent",{"type":25,"tag":115,"props":408,"children":409},{},[410],{"type":30,"value":411},"Security and dependency updates are risky",{"type":25,"tag":115,"props":413,"children":414},{},[415],{"type":30,"value":416},"The system works, but every improvement feels harder than it should",{"type":25,"tag":26,"props":418,"children":419},{},[420],{"type":30,"value":421},"This is where the ROI of modernization becomes visible.",{"type":25,"tag":26,"props":423,"children":424},{},[425],{"type":30,"value":426},"Old code quietly taxes the business. Releases slow down. QA cycles stretch. Engineers spend more time avoiding regressions than shipping value. Customer requests pile up behind architectural limitations. Strong developers become frustrated by a system that fights them at every step.",{"type":25,"tag":26,"props":428,"children":429},{},[430],{"type":30,"value":431},"Refactoring pays that debt down strategically. It clarifies intent, improves modularity, removes brittle dependencies, strengthens test coverage, and makes the application easier to reason about.",{"type":25,"tag":26,"props":433,"children":434},{},[435],{"type":30,"value":436},"The goal is not technical perfection. It is momentum.",{"type":25,"tag":26,"props":438,"children":439},{},[440],{"type":30,"value":441},"For many organizations, the right refactoring strategy is incremental. Isolate the highest-friction areas. Create seams in the architecture. Improve test coverage around critical behavior. Replace risky dependencies. Modernize the parts of the system that directly block business goals.",{"type":25,"tag":26,"props":443,"children":444},{},[445],{"type":30,"value":446},"That approach reduces risk because the current system can continue operating while the new foundation takes shape.",{"type":25,"tag":68,"props":448,"children":450},{"id":449},"_5-rebuild-or-replace-start-fresh-when-the-current-system-cant-support-the-future",[451],{"type":30,"value":452},"5. Rebuild or Replace: Start Fresh When the Current System Can’t Support the Future",{"type":25,"tag":26,"props":454,"children":455},{},[456],{"type":30,"value":457},"Sometimes the old system has reached the end of its useful life.",{"type":25,"tag":26,"props":459,"children":460},{},[461],{"type":30,"value":462},"A rebuild or replacement may be the right path when the current application is fundamentally misaligned with where the business needs to go. Maybe the architecture cannot scale. Maybe the user experience is beyond incremental repair. Maybe the core platform is no longer supported. Maybe the application was built for a business model that no longer exists.",{"type":25,"tag":26,"props":464,"children":465},{},[466],{"type":30,"value":467},"This path can unlock major value, but it also carries the highest risk.",{"type":25,"tag":26,"props":469,"children":470},{},[471],{"type":30,"value":472},"Rebuild or replace when:",{"type":25,"tag":172,"props":474,"children":475},{},[476,481,486,491,496,501,506],{"type":25,"tag":115,"props":477,"children":478},{},[479],{"type":30,"value":480},"The current architecture cannot support strategic goals",{"type":25,"tag":115,"props":482,"children":483},{},[484],{"type":30,"value":485},"Maintenance costs are unsustainable",{"type":25,"tag":115,"props":487,"children":488},{},[489],{"type":30,"value":490},"Critical dependencies are obsolete or unsupported",{"type":25,"tag":115,"props":492,"children":493},{},[494],{"type":30,"value":495},"Security or compliance risk is too high",{"type":25,"tag":115,"props":497,"children":498},{},[499],{"type":30,"value":500},"The UX needs more than cosmetic improvement",{"type":25,"tag":115,"props":502,"children":503},{},[504],{"type":30,"value":505},"Business workflows have changed dramatically",{"type":25,"tag":115,"props":507,"children":508},{},[509],{"type":30,"value":510},"Incremental modernization would cost more than a clean build",{"type":25,"tag":26,"props":512,"children":513},{},[514],{"type":30,"value":515},"The danger is assuming “new” automatically means “better.”",{"type":25,"tag":26,"props":517,"children":518},{},[519],{"type":30,"value":520},"Full rewrites often underestimate how much institutional knowledge lives in the current system. Teams discover edge cases late. Reports turn out to be more complex than expected. Integrations have hidden dependencies. Users rely on behaviors that were never documented.",{"type":25,"tag":26,"props":522,"children":523},{},[524],{"type":30,"value":525},"A successful rebuild needs more than a modern tech stack. It needs a migration strategy, stakeholder alignment, parallel operation where appropriate, data planning, testing discipline, and a clear understanding of what must be preserved.",{"type":25,"tag":26,"props":527,"children":528},{},[529],{"type":30,"value":530},"In many cases, the safest rebuild is not a big-bang replacement. It is a staged transition where old and new systems operate side by side while workloads move gradually.",{"type":25,"tag":68,"props":532,"children":534},{"id":533},"how-to-choose-the-right-r",[535],{"type":30,"value":536},"How to Choose the Right R",{"type":25,"tag":26,"props":538,"children":539},{},[540],{"type":30,"value":541},"The right modernization path usually becomes clearer when you evaluate the system across four dimensions: business value, technical risk, operational disruption, and future fit.",{"type":25,"tag":543,"props":544,"children":546},"h4",{"id":545},"business-value",[547],{"type":30,"value":548},"Business value",{"type":25,"tag":26,"props":550,"children":551},{},[552],{"type":30,"value":553},"Start by asking what the system makes possible.",{"type":25,"tag":26,"props":555,"children":556},{},[557],{"type":30,"value":558},"Does it support revenue? Customer experience? Internal operations? Compliance? Reporting? Specialized workflows? Institutional knowledge?",{"type":25,"tag":26,"props":560,"children":561},{},[562],{"type":30,"value":563},"A high-value system deserves careful modernization. A low-value system may be a candidate for retirement. A system with hidden value needs discovery before any major decision is made.",{"type":25,"tag":543,"props":565,"children":567},{"id":566},"technical-risk",[568],{"type":30,"value":569},"Technical risk",{"type":25,"tag":26,"props":571,"children":572},{},[573],{"type":30,"value":574},"Look for the risks that are already accumulating.",{"type":25,"tag":26,"props":576,"children":577},{},[578],{"type":30,"value":579},"Outdated frameworks. Unsupported libraries. Security vulnerabilities. Aging infrastructure. Fragile deployments. Poor test coverage. Performance bottlenecks. Lack of documentation. A shrinking talent pool.",{"type":25,"tag":26,"props":581,"children":582},{},[583],{"type":30,"value":584},"Technical risk is not just an engineering concern. When it slows delivery, raises costs, or threatens reliability, it becomes a business issue.",{"type":25,"tag":543,"props":586,"children":588},{"id":587},"operational-disruption",[589],{"type":30,"value":590},"Operational disruption",{"type":25,"tag":26,"props":592,"children":593},{},[594],{"type":30,"value":595},"Modernization should not require the business to stop moving.",{"type":25,"tag":26,"props":597,"children":598},{},[599],{"type":30,"value":600},"Internal teams still need to support users. Customers still need service. Operations still need continuity. A technically elegant plan that creates unacceptable disruption is not a good plan.",{"type":25,"tag":26,"props":602,"children":603},{},[604],{"type":30,"value":605},"This is why incremental modernization is often more effective than rip-and-replace. It lets teams make progress while reducing the chance of a major operational shock.",{"type":25,"tag":543,"props":607,"children":609},{"id":608},"future-fit",[610],{"type":30,"value":611},"Future fit",{"type":25,"tag":26,"props":613,"children":614},{},[615],{"type":30,"value":616},"Finally, ask what the software needs to support next.",{"type":25,"tag":26,"props":618,"children":619},{},[620],{"type":30,"value":621},"Do you need AI readiness? Better data access? Cloud scalability? Modern APIs? Mobile capabilities? Faster feature delivery? More reliable compliance updates? A better user experience?",{"type":25,"tag":26,"props":623,"children":624},{},[625],{"type":30,"value":626},"The modernization path should be judged by what becomes possible afterward.",{"type":25,"tag":68,"props":628,"children":630},{"id":629},"the-artlogic-difference-the-5-rs-are-not-a-shortcut-around-judgment",[631],{"type":30,"value":632},"The Art+Logic Difference: The 5 Rs Are Not a Shortcut Around Judgment",{"type":25,"tag":26,"props":634,"children":635},{},[636],{"type":30,"value":637},"The 5 Rs are useful, but they do not make the decision for you.",{"type":25,"tag":26,"props":639,"children":640},{},[641],{"type":30,"value":642},"That is where experience matters.",{"type":25,"tag":26,"props":644,"children":645},{},[646],{"type":30,"value":647},"After more than 30 years of custom software development, we have learned that legacy systems are rarely just old code. They are business systems. They carry history, constraints, workflows, and trade-offs. They also carry opportunity.",{"type":25,"tag":26,"props":649,"children":650},{},[651],{"type":30,"value":652},"Our approach is not to force every client into a full rewrite, a cloud migration, or a tool-driven transformation. We help determine what to keep, what to fix, what to modernize, and what to replace.",{"type":25,"tag":26,"props":654,"children":655},{},[656],{"type":30,"value":657},"That work often involves:",{"type":25,"tag":172,"props":659,"children":660},{},[661,666,671,676,681,686,691],{"type":25,"tag":115,"props":662,"children":663},{},[664],{"type":30,"value":665},"Understanding the current system before changing it",{"type":25,"tag":115,"props":667,"children":668},{},[669],{"type":30,"value":670},"Preserving critical business logic",{"type":25,"tag":115,"props":672,"children":673},{},[674],{"type":30,"value":675},"Collaborating with internal IT teams instead of bypassing them",{"type":25,"tag":115,"props":677,"children":678},{},[679],{"type":30,"value":680},"Reducing disruption through phased delivery",{"type":25,"tag":115,"props":682,"children":683},{},[684],{"type":30,"value":685},"Aligning modernization decisions with business outcomes",{"type":25,"tag":115,"props":687,"children":688},{},[689],{"type":30,"value":690},"Using AI-assisted development where it accelerates safe, repeatable work",{"type":25,"tag":115,"props":692,"children":693},{},[694],{"type":30,"value":695},"Keeping experienced engineers in the loop for architecture, validation, testing, and quality",{"type":25,"tag":26,"props":697,"children":698},{},[699],{"type":30,"value":700},"AI has changed what is possible in modernization, especially for analysis, repetitive migration tasks, boilerplate conversion, and pattern-based refactoring. But AI is not a replacement for engineering judgment.",{"type":25,"tag":26,"props":702,"children":703},{},[704],{"type":30,"value":705},"Used carelessly, AI can produce code that compiles while removing important functionality. Used well, it becomes a force multiplier for experienced teams that know how to validate behavior, preserve logic, and maintain architectural consistency.",{"type":25,"tag":26,"props":707,"children":708},{},[709],{"type":30,"value":710},"That balance matters. Speed is valuable only when it does not create a new layer of risk.",{"type":25,"tag":68,"props":712,"children":714},{"id":713},"a-practical-decision-guide",[715],{"type":30,"value":716},"A Practical Decision Guide",{"type":25,"tag":26,"props":718,"children":719},{},[720],{"type":30,"value":721},"Here is a simple way to think about the 5 Rs:",{"type":25,"tag":723,"props":724,"children":725},"table",{},[726,750],{"type":25,"tag":727,"props":728,"children":729},"thead",{},[730],{"type":25,"tag":731,"props":732,"children":733},"tr",{},[734,740,745],{"type":25,"tag":735,"props":736,"children":737},"th",{},[738],{"type":30,"value":739},"Modernization path",{"type":25,"tag":735,"props":741,"children":742},{},[743],{"type":30,"value":744},"Best fit",{"type":25,"tag":735,"props":746,"children":747},{},[748],{"type":30,"value":749},"Watch out for",{"type":25,"tag":751,"props":752,"children":753},"tbody",{},[754,772,789,807,825],{"type":25,"tag":731,"props":755,"children":756},{},[757,762,767],{"type":25,"tag":758,"props":759,"children":760},"td",{},[761],{"type":30,"value":119},{"type":25,"tag":758,"props":763,"children":764},{},[765],{"type":30,"value":766},"Stable systems with low risk and clear ongoing value",{"type":25,"tag":758,"props":768,"children":769},{},[770],{"type":30,"value":771},"Passive neglect disguised as strategy",{"type":25,"tag":731,"props":773,"children":774},{},[775,779,784],{"type":25,"tag":758,"props":776,"children":777},{},[778],{"type":30,"value":124},{"type":25,"tag":758,"props":780,"children":781},{},[782],{"type":30,"value":783},"Obsolete, duplicative, or low-value systems",{"type":25,"tag":758,"props":785,"children":786},{},[787],{"type":30,"value":788},"Hidden users, data, reports, or dependencies",{"type":25,"tag":731,"props":790,"children":791},{},[792,797,802],{"type":25,"tag":758,"props":793,"children":794},{},[795],{"type":30,"value":796},"Rehost/Replatform",{"type":25,"tag":758,"props":798,"children":799},{},[800],{"type":30,"value":801},"Valuable systems held back by infrastructure",{"type":25,"tag":758,"props":803,"children":804},{},[805],{"type":30,"value":806},"Moving technical debt without reducing it",{"type":25,"tag":731,"props":808,"children":809},{},[810,815,820],{"type":25,"tag":758,"props":811,"children":812},{},[813],{"type":30,"value":814},"Refactor/Rearchitect",{"type":25,"tag":758,"props":816,"children":817},{},[818],{"type":30,"value":819},"Systems that work but slow delivery, scale, or reliability",{"type":25,"tag":758,"props":821,"children":822},{},[823],{"type":30,"value":824},"Endless cleanup without business prioritization",{"type":25,"tag":731,"props":826,"children":827},{},[828,833,838],{"type":25,"tag":758,"props":829,"children":830},{},[831],{"type":30,"value":832},"Rebuild/Replace",{"type":25,"tag":758,"props":834,"children":835},{},[836],{"type":30,"value":837},"Systems that cannot support the future",{"type":25,"tag":758,"props":839,"children":840},{},[841],{"type":30,"value":842},"Underestimating embedded business logic",{"type":25,"tag":26,"props":844,"children":845},{},[846],{"type":30,"value":847},"No single path is always right. Most organizations need a mix.",{"type":25,"tag":26,"props":849,"children":850},{},[851],{"type":30,"value":852},"A legacy portfolio might include one application to retire, one to rehost, one to refactor, and one to rebuild over time. The strategic work is sequencing those decisions so the business gains value without absorbing unnecessary risk.",{"type":25,"tag":68,"props":854,"children":856},{"id":855},"modernization-is-controlled-evolution",[857],{"type":30,"value":858},"Modernization Is Controlled Evolution",{"type":25,"tag":26,"props":860,"children":861},{},[862],{"type":30,"value":863},"The best modernization efforts do not begin with a dramatic declaration that everything must change.",{"type":25,"tag":26,"props":865,"children":866},{},[867],{"type":30,"value":868},"They begin with a clear-eyed assessment.",{"type":25,"tag":26,"props":870,"children":871},{},[872],{"type":30,"value":873},"What still works? What is costing too much? What creates risk? What blocks growth? What needs to be preserved? What future should this system support?",{"type":25,"tag":26,"props":875,"children":876},{},[877],{"type":30,"value":878},"From there, the path becomes more practical.",{"type":25,"tag":26,"props":880,"children":881},{},[882],{"type":30,"value":883},"Retain what is stable. Retire what no longer serves the business. Rehost or replatform where infrastructure is the bottleneck. Refactor or rearchitect where the system needs to evolve. Rebuild or replace when the old foundation can no longer carry the future.",{"type":25,"tag":26,"props":885,"children":886},{},[887],{"type":30,"value":888},"Modernization is not about replacing the past. It is about creating a stronger foundation for what comes next.",{"type":25,"tag":26,"props":890,"children":891},{},[892],{"type":30,"value":893},"And done well, it does not have to disrupt the business to transform it.",{"type":25,"tag":68,"props":895,"children":897},{"id":896},"faqs",[898],{"type":30,"value":899},"FAQs",{"type":25,"tag":543,"props":901,"children":903},{"id":902},"what-are-the-5-rs-of-application-modernization",[904],{"type":30,"value":905},"What are the 5 Rs of application modernization?",{"type":25,"tag":26,"props":907,"children":908},{},[909],{"type":30,"value":910},"The 5 Rs of application modernization are commonly used paths for deciding what to do with legacy software: retain, retire, rehost or replatform, refactor or rearchitect, and rebuild or replace. The right choice depends on the system’s business value, technical risk, operational impact, and future requirements.",{"type":25,"tag":543,"props":912,"children":914},{"id":913},"is-refactoring-the-same-as-rewriting",[915],{"type":30,"value":916},"Is refactoring the same as rewriting?",{"type":25,"tag":26,"props":918,"children":919},{},[920],{"type":30,"value":921},"No. Refactoring improves the internal structure of existing software while preserving its behavior. Rewriting means rebuilding the application from scratch or replacing it with a new system. Refactoring is often a lower-risk modernization path when the current system still provides value but has become difficult to maintain or extend.",{"type":25,"tag":543,"props":923,"children":925},{"id":924},"when-should-a-company-rebuild-legacy-software",[926],{"type":30,"value":927},"When should a company rebuild legacy software?",{"type":25,"tag":26,"props":929,"children":930},{},[931],{"type":30,"value":932},"A rebuild may make sense when the existing system cannot support future business goals, has unsustainable maintenance costs, depends on obsolete technology, creates serious security or compliance risk, or requires user experience and architecture changes that cannot be solved incrementally.",{"type":25,"tag":543,"props":934,"children":936},{"id":935},"why-is-incremental-modernization-often-better-than-rip-and-replace",[937],{"type":30,"value":938},"Why is incremental modernization often better than rip-and-replace?",{"type":25,"tag":26,"props":940,"children":941},{},[942],{"type":30,"value":943},"Incremental modernization reduces disruption by allowing the current system to keep operating while targeted improvements are made. This approach helps preserve business continuity, validate decisions along the way, and reduce the risk of losing critical workflows or embedded business logic.",{"type":25,"tag":543,"props":945,"children":947},{"id":946},"how-can-ai-help-with-legacy-software-modernization",[948],{"type":30,"value":949},"How can AI help with legacy software modernization?",{"type":25,"tag":26,"props":951,"children":952},{},[953],{"type":30,"value":954},"AI can accelerate modernization by assisting with code analysis, repetitive migration work, boilerplate generation, and pattern-based refactoring. However, AI works best when experienced engineers guide the architecture, validate generated code, test behavior, and ensure critical business logic is preserved.",{"title":8,"searchDepth":956,"depth":956,"links":957},3,[958,959,960,961,962,963,964,965,972,973,974,975],{"id":70,"depth":956,"text":73},{"id":101,"depth":956,"text":104},{"id":152,"depth":956,"text":155},{"id":217,"depth":956,"text":220},{"id":281,"depth":956,"text":284},{"id":350,"depth":956,"text":353},{"id":449,"depth":956,"text":452},{"id":533,"depth":956,"text":536,"children":966},[967,969,970,971],{"id":545,"depth":968,"text":548},4,{"id":566,"depth":968,"text":569},{"id":587,"depth":968,"text":590},{"id":608,"depth":968,"text":611},{"id":629,"depth":956,"text":632},{"id":713,"depth":956,"text":716},{"id":855,"depth":956,"text":858},{"id":896,"depth":956,"text":899,"children":976},[977,978,979,980,981],{"id":902,"depth":968,"text":905},{"id":913,"depth":968,"text":916},{"id":924,"depth":968,"text":927},{"id":935,"depth":968,"text":938},{"id":946,"depth":968,"text":949},"markdown","content:cperez:2026-07-09:5-rs-application-modernization-legacy-software.md","content","cperez/2026-07-09/5-rs-application-modernization-legacy-software.md","cperez/2026-07-09/5-rs-application-modernization-legacy-software","md",[989,1002,1011,1024,1039,1051,1059,1069,1080,1089,1101,1112,1123,1132,1142,1153,1166,1177,1186,1196,1204,1211,1220,1228,1237,1247,1257,1266,1275,1283,1294,1302,1310,1319,1327,1337,1345,1353,1361,1369,1377,1385,1393,1403,1411,1421,1429,1439,1449,1460,1470,1480,1494,1505,1518,1528,1539,1542,1553,1563,1576,1585,1595,1605,1615,1627,1639,1653,1667,1682,1690,1698,1707,1716,1725,1734,1743,1752,1761,1770,1779,1790,1803,1813,1821,1829,1837,1845,1857,1869,1879,1888,1897,1907,1916,1926,1935],{"_path":990,"title":991,"description":992,"image":993,"publishDate":994,"tags":995,"_id":998,"author":999},"/alalande/2023-1/escaping_text","Thinking Like a Programmer: Escaping Text","In this progressive and vivid explanation, we explore the HOW and WHY of quoting, nesting, and escaping text.","/alalande/2023-1/img/header.png","2024-02-15",[996,997],"series","educational","content:alalande:2023-1:escaping_text.md",{"user":1000,"name":1001},"alalande","Anthony Lalande",{"_path":1003,"title":1004,"description":1005,"image":1006,"publishDate":1007,"tags":1008,"_id":1009,"author":1010},"/alalande/2023-2/heuristics","Thinking Like a Programmer: Heuristics","We want to help you turbo-charge your decision making.","/alalande/2023-2/img/heuristics.png","2024-03-15",[996,997],"content:alalande:2023-2:heuristics.md",{"user":1000,"name":1001},{"_path":1012,"title":1013,"description":1014,"tags":1015,"publishDate":1018,"image":1019,"_id":1020,"author":1021},"/areichert/2023-10/rapid-testing-techniques-for-web-and-mobile","Rapid Testing Techniques for Web & Mobile Apps","Testing rapidly or the need to test quickly under shortened execution cycles is not new. Rapid testing has been around for as long as software testing has existed but increases when a product release is imminent, strained, or behind schedule. There are many reasons development gets behind schedule. Similar to testing, development is prone to surprise requirements changes and increases in scope and complexity.",[1016,1017],"software-testing","qa","2024-06-01","/areichert/2023-10/img/rapid_testing.png","content:areichert:2023-10:Rapid Testing techniques for web and mobile.md",{"user":1022,"name":1023},"areichert","Amy Reichert",{"_path":1025,"title":1026,"description":1027,"image":1028,"publishDate":1029,"tags":1030,"_id":1035,"author":1036},"/asherbrooke/2020-4/watchwah","Bringing an Idea to Life: WatchWah Proof of Concept","\"Wouldn't it be cool if...\"","/asherbrooke/2020-4/img/Guitar_and_Watch.jpeg","2020-04-01",[1031,1032,1033,1034],"ios","apple","watch","juce","content:asherbrooke:2020-4:watchwah.md",{"user":1037,"name":1038},"asherbrooke","Andrew Sherbrooke",{"_path":1040,"title":1041,"description":1042,"publishDate":1043,"tags":1044,"_id":1047,"author":1048},"/avogan/2012-07/salt","What Your Users Don't Know (Part 1)","What's wrong with this code?","2012-07-13",[1045,1046,996],"cryptography","security","content:avogan:2012-07:salt.md",{"user":1049,"name":1050},"avogan","Andrew Vogan",{"_path":1052,"title":1053,"description":1054,"publishDate":1055,"tags":1056,"_id":1057,"author":1058},"/avogan/2012-07/salt-2","What Your Users Don't Know (Part 2)","In my last post we saw that what your users don't know can hurt them. In other words, how securely you handle your users' private data behind the scenes can have profound implications both for your business and your users' well being. To put it bluntly, it's bad for your business to be publicly shamed over your handling of sensitive data, and it's bad for your users to have their bank accounts pilfered -- those being some of the worse case scenarios.","2012-07-26",[1045,1046,996],"content:avogan:2012-07:salt-2.md",{"user":1049,"name":1050},{"_path":1060,"title":1061,"description":1062,"publishDate":1063,"image":1064,"_id":1065,"author":1066},"/bporter/2012-5/cd_player","My First CD Player","I started college right about the time when the first CD players were coming onto the market -- there weren't many available, and they were all obscenely expensive. At the time, my dad was dong a lot of traveling to Japan for business, and he was able to bring me a really nice Yamaha CD player back from a shop in Akihabara for about 1/4th of what a similar unit would have cost me here in the US.","2012-05-01","/bporter/2012-5/img/cd_player.jpg","content:bporter:2012-5:cd_player.md",{"user":1067,"name":1068},"bporter","Brett Porter",{"_path":1070,"title":1071,"description":1072,"publishDate":1073,"tags":1074,"image":1077,"_id":1078,"author":1079},"/bporter/2012-5/improtech","ImproTech Paris-New York 2012","Last week, I took a vacation day to attend one day of workshops at NYU as part of ImproTech 2012 Paris-New York That website descibes the event as:","2012-05-24",[1075,1076],"improvisation","music","/bporter/2012-5/img/affichemartin.jpg","content:bporter:2012-5:improtech.md",{"user":1067,"name":1068},{"_path":1081,"title":1082,"description":1083,"publishDate":1084,"tags":1085,"_id":1087,"author":1088},"/bporter/2012-5/learntocode","Yes, Do Learn To Code!","My usual pre-work routine is to walk the dog (working at home, this is my counterpart to a commute), pour my first cup of coffee, and then curl up for a little while with Google Reader. I don't know if it's because I've selected feeds that are too closely aligned with my values and personal agenda, but it's really rare that I'll read a post that is just so wrong that it makes me angry. Jeff Atwood wrote a post like that: Please Don't Learn To Code","2012-05-15",[1086],"learn-to-code","content:bporter:2012-5:learntocode.md",{"user":1067,"name":1068},{"_path":1090,"title":1091,"description":1092,"publishDate":1093,"tags":1094,"image":1098,"_id":1099,"author":1100},"/bporter/2012-6/dsl","Watch Your Language","Interesting to see a theme emerge in my Pinboard account this week -- lots of stuff about the idea of 'programming language'. I've spent the last few weeks preparing to dive back into a personal interactive music project that I've been working on sporadically since I was in graduate school. I had recently realized that the conceptual roadblock I hit before my last hiatus was something that I'd need to address by adding some sort of little programming language into the system. After following Martin Fowler's many blog posts over the years discussing domain specific languages, I finally broke down and bought his book on the topic. It's too early yet for me to have much concrete to say about the book, but I remember getting enough out of those blog posts to be confident that it will be worth the money and time to read.","2012-06-29",[1095,1096,1097],"dsl","erlang","go","/bporter/2012-6/img/dsl.jpg","content:bporter:2012-6:dsl.md",{"user":1067,"name":1068},{"_path":1102,"title":1103,"description":1104,"image":1105,"publishDate":1106,"tags":1107,"_id":1110,"author":1111},"/bporter/2019-3/animator","Friz: A flexible animation controller for JUCE","As is often the case, I found myself working on a personal project and had some UI elements that really wanted to have some life to them on the screen.","/bporter/2019-3/img/animator.png","2019-03-01",[1034,1108,1109],"ui","c++","content:bporter:2019-3:animator.md",{"user":1067,"name":1068},{"_path":1113,"title":1114,"description":1115,"image":1116,"publishDate":1117,"tags":1118,"_id":1121,"author":1122},"/bporter/2019-4/aesannounce","Art+Logic In the Real World","There are a few events coming up in the next few weeks where A+L will have people in attendance. If you're going to be there or nearby, please get in touch and we'll meet up.","/bporter/2019-4/img/aesLogo.jpg","2019-04-01",[1119,1120],"a+l","event","content:bporter:2019-4:aesAnnounce.md",{"user":1067,"name":1068},{"_path":1124,"title":1125,"description":1126,"image":1127,"publishDate":1128,"tags":1129,"_id":1130,"author":1131},"/bporter/2020-10/reanimated","Re-animated","Last year, I posted here about an animation control framework called 'Friz' that works within the JUCE Application Framework.","/bporter/2020-10/img/module.png","2020-10-01",[1034,1108,1109],"content:bporter:2020-10:reanimated.md",{"user":1067,"name":1068},{"_path":1133,"title":1134,"description":1135,"image":1136,"publishDate":1106,"tags":1137,"_id":1138,"author":1139},"/bstevens/2019-3","Coding the Impossible","As you can see on the Art+Logic website, our slogan is Coding the \"impossible.\"®","/bstevens/2019-3/img/impossible.png",[1119],"content:bstevens:2019-3:index.md",{"user":1140,"name":1141},"bstevens","Ben Stevens",{"_path":1143,"title":1144,"description":1145,"publishDate":1146,"tags":1147,"_id":1149,"author":1150},"/ckeefer/2013-1/misc","JS Hints & Shortcuts","During the course of any complex project (and even many simple ones), on the way to accomplish the actual goal, you're certain to encounter any number of small hurdles along the way - little problems which need to be resolved for the bigger picture to come into focus.","2013-09-01",[1148],"js","content:ckeefer:2013-1:misc.md",{"user":1151,"name":1152},"ckeefer","Christopher Keefer",{"_path":1154,"title":1155,"description":1156,"publishDate":1157,"tags":1158,"image":1163,"_id":1164,"author":1165},"/ckeefer/2013-2/xslt","XML and XSLT","Not terribly long ago, XML was the darling of the web. HTML4 was reformulated as XHTML 1.0, SOAP messages were XML, and let us not forget XMLHttpRequest.","2013-10-08",[1159,1160,1161,1162],"data-formats","xml","xsl","xslt","/ckeefer/2013-2/img/xslt-processing.png","content:ckeefer:2013-2:xslt.md",{"user":1151,"name":1152},{"_path":1167,"title":1168,"description":1169,"publishDate":1170,"tags":1171,"image":1174,"_id":1175,"author":1176},"/ckeefer/2013-3/ajax-upload","Ajax Upload Part I: Framed (and jQuery Deferred)","Inevitably, people want their files on the Internet. If your project is about cute cats, someone will task you with allowing users to upload photos of their cats, videos of their cats, long rambling audio clips in which they attempt to convince their cat to stop attacking the microphone, etcetera. If your project is about the nature and proclivities of mold, someone, somewhere will want to share detailed photographic evidence of their mold problem. The need to upload files is a given.","2013-03-20",[1148,1172,1173],"jquery","html5","/ckeefer/2013-3/img/upframe.jpg","content:ckeefer:2013-3:ajax-upload.md",{"user":1151,"name":1152},{"_path":1178,"title":1179,"description":1180,"publishDate":1181,"tags":1182,"_id":1184,"author":1185},"/ckeefer/2013-4/teaching-programming","Can (and Should) Everyone Learn to Program?","Fair warning: The following article is long, rambly, and contains no code. It does, however, contain some rumination on the idea that everyone can and should learn to program.","2013-12-03",[1183],"programming","content:ckeefer:2013-4:teaching-programming.md",{"user":1151,"name":1152},{"_path":1187,"title":1188,"description":1189,"publishDate":1190,"tags":1191,"image":1193,"_id":1194,"author":1195},"/ckeefer/2013-5/ajax-uploader","Ajax Upload XHR2, Take 2","It's a pleasure to be able to interact with files in the browser at long last, isn't it? Reading files in without needing to bounce them against the server first opens up a lot of possibilities - and getting progress from a chunked ajax upload is miles away from the indeterminate form uploads of days past.","2014-02-19",[1172,1148,1192],"xhr2","/ckeefer/2013-5/img/html5.jpg","content:ckeefer:2013-5:ajax-uploader.md",{"user":1151,"name":1152},{"_path":1197,"title":1198,"description":1199,"publishDate":1200,"tags":1201,"_id":1202,"author":1203},"/ckeefer/2013-07/anchors-hash","Anchors, Hash Sign, javascript:void(0)","So, you've got a link that, in reality, is just a click target for performing some javascript function. You want the appearance of a standard anchor link, but if it's not performing the intended function, should it really be an anchor? And if so, what should we fill that 'href' attribute in with?","2013-07-29",[1148],"content:ckeefer:2013-07:anchors-hash.md",{"user":1151,"name":1152},{"_path":1205,"title":1206,"description":1207,"publishDate":1208,"_id":1209,"author":1210},"/ckeefer/2013-07/static-vmware-host","Static Hosting with VMWare","Virtualization is one of the many benefits of the excess (metaphorical) horsepower available to us with modern hardware. Need to test against (Windows XP/7/8/NT || Fedora || Mint || Ubuntu || FreeBSD || MacOSX || etc)? Fire up the VM. Need a Linux environment for the packages your server relies on, but need to test in the iPad simulator? VM's to the rescue.","2013-07-26","content:ckeefer:2013-07:static-vmware-host.md",{"user":1151,"name":1152},{"_path":1212,"title":1213,"description":1214,"publishDate":1215,"tags":1216,"_id":1218,"author":1219},"/ckeefer/2013-08/fullproof-fulltext-search","Client-side Fulltext Searching with Fullproof","Recently, I was engaged in a genial argument with a friend of an older generation, each of us taking an opposing stance on some obscure trivia neither of us was entirely certain about - but which we were both ready to defend with all the wit and rhetoric at our disposal. When we had finally exhausted all attempts to make the other budge on the matter, we turned to an authoritative 3rd-party source to lay the matter to rest for us - a Google search.","2013-08-29",[1217,1162],"search","content:ckeefer:2013-08:fullproof-fulltext-search.md",{"user":1151,"name":1152},{"_path":1221,"title":1222,"description":1223,"publishDate":1224,"tags":1225,"_id":1226,"author":1227},"/ckeefer/2013-11/jquery-ajax-blobs","jQuery Ajax Blobs and Array Buffers","A big part of what makes jQuery a regular part of so many web projects is the clean interface it offers us for a number of sometimes messy built-in aspects of javascript. The most obvious is the DOM interface; and in second place, jquery ajax and its various shorthand methods. Abstracting away the difference between ActiveXObject and XMLHttpRequest is one of the most obvious benefits - but even if you don't need to worry about supporting old versions of IE, you might well enjoy the clean, object-based, promise-returning interface that jquery ajax offers.","2013-11-21",[1148,1172],"content:ckeefer:2013-11:jquery-ajax-blobs.md",{"user":1151,"name":1152},{"_path":1229,"title":1230,"description":1231,"publishDate":1232,"tags":1233,"_id":1235,"author":1236},"/ckeefer/2013-12/deploying-with-git","Deploying Websites with Git","Deploying your webapp is an important part of the web development equation - your client's site isn't going to attract a lot of attention sitting in your local dev directory. Deployment concerns tend to fall to the bottom of the priority list, though, and the end result tends to be kludgy, hastily thrown-together deployment scripts; and because they are so kludgy and, often, time consuming, when time crunches threaten, a developer may resort to making changes directly on the remote server that need to be (but sometimes never are) backported to the code living in your version control.","2013-12-23",[1234],"git","content:ckeefer:2013-12:deploying-with-git.md",{"user":1151,"name":1152},{"_path":1238,"title":1239,"description":1240,"publishDate":1241,"tags":1242,"image":1244,"_id":1245,"author":1246},"/ckeefer/2014-1/still-using-php","Still Using PHP?","Poor PHP. It's so lonely and unloved these days.","2014-01-29",[1243],"php","/ckeefer/2014-1/img/php.jpg","content:ckeefer:2014-1:still-using-php.md",{"user":1151,"name":1152},{"_path":1248,"title":1249,"description":1250,"publishDate":1251,"tags":1252,"image":1254,"_id":1255,"author":1256},"/ckeefer/2014-2/ajax-upload-2","Ajax Upload Part II: XHR2 (and FileReader)","So, the client has told you their users should be able to upload their drunken party pictures for all the internet to see. \"We want the very best experience possible,\" they tell you. \"Simple, seamless - maybe using that new html5 thing I've heard so much about.\"","2013-04-09",[1148,1253],"xmlhttprequest","/ckeefer/2014-2/img/html5.jpg","content:ckeefer:2014-2:ajax-upload-2.md",{"user":1151,"name":1152},{"_path":1258,"title":1259,"description":1260,"publishDate":1261,"tags":1262,"_id":1264,"author":1265},"/ckeefer/2014-3/customgmapsinfowindow","Custom Google Maps Info Windows","When it comes time to relate the ephemeral world of data to the physical world, Maps are key in both enterprise and consumer applications. Whatever else you might think of it, Google Maps tends to be the default option - certainly, its the only one I've ever had clients ask for by name.","2014-02-26",[1148,1263],"google-maps","content:ckeefer:2014-3:customgmapsinfowindow.md",{"user":1151,"name":1152},{"_path":1267,"title":1268,"description":1269,"publishDate":1270,"tags":1271,"_id":1273,"author":1274},"/ckeefer/2014-4/hidden-options","Hidden Options: A Workaround","Here's the situation: You've got a select. Maybe a whole bunch of selects, with a ton of options each (metric ton - let's keep our imaginary hyperbolic units straight here); and these are meant to be complex interactive elements, with options made visible or not as some programmatic condition dictates.","2014-04-23",[1272,1148,1172],"how-to","content:ckeefer:2014-4:hidden-options.md",{"user":1151,"name":1152},{"_path":1276,"title":1277,"description":1278,"publishDate":1279,"tags":1280,"_id":1281,"author":1282},"/ckeefer/2014-5/cgwin2","Custom Google Info Windows: Updated, Live","April 30, 2014 at 3:22 am Remy says:","2014-05-09",[1148,1263],"content:ckeefer:2014-5:cgwin2.md",{"user":1151,"name":1152},{"_path":1284,"title":1285,"description":1286,"publishDate":1287,"tags":1288,"image":1291,"_id":1292,"author":1293},"/ckeefer/2014-6/backbonesocketsync","Websockets for Backbone","Backbone's had some of its thunder stolen lately by trendier frameworks like Meteor and Angular; for good reason, in most cases, as without the prosthetic functionality offered by the likes of Marionette, Backbone's view handling (amongst a few other lacks and warts) is really just 'roughed in'.","2014-06-25",[1148,1289,1290],"websockets","backbone","/ckeefer/2014-6/img/WebsocketsPlusBackbone.png","content:ckeefer:2014-6:backbonesocketsync.md",{"user":1151,"name":1152},{"_path":1295,"title":1296,"description":1297,"publishDate":1298,"tags":1299,"_id":1300,"author":1301},"/ckeefer/2014-7/promises","It's a (jQuery-style) Promise","Way back when I brought up the topic of promises (particularly, jQuery Deferred), and I promised we would come back to the topic someday.","2014-10-16",[1148,1172],"content:ckeefer:2014-7:promises.md",{"user":1151,"name":1152},{"_path":1303,"title":1304,"description":1305,"publishDate":1306,"tags":1307,"_id":1308,"author":1309},"/ckeefer/2014-8/behold-views","Behold! (JavaScript Views)","JavaScript has the propensity to be very untidy - if you let it, it will sprawl all over the place. Hundreds of global variables scattered across dozens of files, messy half-measures towards object-orientation, mixed in seemingly at random with ungrouped functions - anyone who's had a client bring them a failed project from some other development team knows just how bad it can get.","2015-01-07",[1148],"content:ckeefer:2014-8:behold-views.md",{"user":1151,"name":1152},{"_path":1311,"title":1312,"description":1313,"publishDate":1314,"tags":1315,"image":1316,"_id":1317,"author":1318},"/ckeefer/2015-1/writeonce","Write Once, Debug Everywhere","It's pretty seldom that anyone mentions web pages these days, other than in historical reference to days long gone by (yes, a whole few years ago). Web sites, sure, but not if what is really wanted is to replace something that, not so long ago, would have been some native code for a smartphone (or a little further back still, a desktop computer). Generally speaking, the most common term tripping from client's lips these days is 'web applications' - or webapps, because who has time for spaces and proper spelling, amirite?","2015-02-02",[1148],"/ckeefer/2015-1/img/html5java.jpg","content:ckeefer:2015-1:writeonce.md",{"user":1151,"name":1152},{"_path":1320,"title":1321,"description":1322,"publishDate":1323,"tags":1324,"_id":1325,"author":1326},"/ckeefer/2015-2/js-frameworks","The What and Why of Javascript Frameworks","JavaScript has the propensity to be very untidy if you let it be. This isn't a problem unique to JavaScript, of course - many other languages suffer from a lack of native organization, especially for specific tasks.","2015-05-29",[1148],"content:ckeefer:2015-2:js-frameworks.md",{"user":1151,"name":1152},{"_path":1328,"title":1329,"description":1330,"publishDate":1331,"tags":1332,"_id":1335,"author":1336},"/ckeefer/2015-3/emailvalidation","Email Validation with Django and python-social-auth","When it comes to user accounts, the standard litmus test is email validation. Besides the immediate benefits - of offering us a straightforward unique identifier for users, and making it more difficult to automate creating a mass of accounts on our service - by requiring that each account have an email address and interact therewith to confirm the addresses validity, it also offers us the chance to associate a known-working email account with a user account. This is important for transactional emails such as password resets or for potential two-factor authentication use... and if you're a little less ethical, for sending marketing desirable and informative emails about interesting products and services.","2015-07-23",[1333,1334],"python","django","content:ckeefer:2015-3:EmailValidation.md",{"user":1151,"name":1152},{"_path":1338,"title":1339,"description":1340,"publishDate":1341,"tags":1342,"_id":1343,"author":1344},"/ckeefer/2015-5/file-reader-chunking","FileReader Chunking and Base64 DataURLs","In a hurry? You can now use our HUp jquery plugin to read files in a chunked fashion as data URLs. Hooray!","2015-12-15",[1148,1172],"content:ckeefer:2015-5:file-reader-chunking.md",{"user":1151,"name":1152},{"_path":1346,"title":1347,"description":1348,"publishDate":1349,"tags":1350,"_id":1351,"author":1352},"/ckeefer/2016-1/ajaxbinarycaching","Caching Binary Data With jQuery Ajax and IndexedDB","After long, grueling months (years? or does it only feel like years?), your web application nears completion. It is tightly coded, well documented, works across all modern browsers, and is well received by your beta testers. It's nearly time to go live, and a smile of pure relief plays upon your lips... and freezes into a rictus grin when your client turns to you, and asks, \"so, hey, can we speed up the dynamic cat pic loading? Especially when I close the browser and come back to it later. I think that's really key to the whole application.\"","2016-04-25",[1148,1172],"content:ckeefer:2016-1:ajaxBinaryCaching.md",{"user":1151,"name":1152},{"_path":1354,"title":1355,"description":1356,"publishDate":1357,"tags":1358,"_id":1359,"author":1360},"/ckeefer/2016-2/paymentprocessing","Payment Processing with Braintree","You've built the web application of the century, and the users have rightly flooded to it. Cat pictures for everyone!","2016-05-11",[1334,1148,1172,1333],"content:ckeefer:2016-2:paymentprocessing.md",{"user":1151,"name":1152},{"_path":1362,"title":1363,"description":1364,"publishDate":1365,"tags":1366,"_id":1367,"author":1368},"/ckeefer/2016-3/djangochannels1","Django Channels: From the Ground Up - Part 1","You stare mournfully into the mass of code you've inherited. At some point, it's clear, the requirements called for the server to push information to the client, because there's an unholy mix of Server-Side Events, long-polling, hidden iframes and even a Java applet in there, all supporting some level of long-term connectivity with the server. It's almost fascinating in its barely functional hideousness, and you would be inclined to leave well enough alone... except for the new feature specifications you've been assigned, which require the client to be able to send data back to the server in response to the received events, in as close to real-time as you can get.","2016-06-13",[1334,1333,1289],"content:ckeefer:2016-3:djangoChannels1.md",{"user":1151,"name":1152},{"_path":1370,"title":1371,"description":1372,"publishDate":1373,"tags":1374,"_id":1375,"author":1376},"/ckeefer/2016-4/djangochannels2","Django Channels: From the Ground Up - Part 2","Last time, we decided to embark on a brave new adventure and give our Django framework a big upgrade with the inclusion of Django Channels. We got just far enough to get the development server running, but while this may be an adequate start, it's better to develop against something like what we intend to deploy, right?","2016-06-15",[1334,1333,1289],"content:ckeefer:2016-4:djangochannels2.md",{"user":1151,"name":1152},{"_path":1378,"title":1379,"description":1380,"publishDate":1381,"tags":1382,"_id":1383,"author":1384},"/ckeefer/2016-6/gofetch1","Go Fetch! (JavaScript Fetch API)","Long ago, we briefly brushed upon the topic of what has made jQuery such a valuable part of the web developer's toolset for such a long time - namely, a cleaner interface for interacting with the DOM, and the $.ajax abstraction over XMLHttpRequest.","2016-10-03",[1148,1172,996],"content:ckeefer:2016-6:goFetch1.md",{"user":1151,"name":1152},{"_path":1386,"title":1387,"description":1388,"publishDate":1389,"tags":1390,"_id":1391,"author":1392},"/ckeefer/2016-7/gofetch2","Go Fetch 2! (JavaScript Fetch API)","Last time we discussed the Fetch API in general, taking a look at how it differed from the XMLHttpRequest API, and some of its advantages. Today, we're going to take a look at a little library that you can include in your projects today that offers you localStorage caching for the Fetch API.","2016-10-10",[1148,1172,996],"content:ckeefer:2016-7:goFetch2.md",{"user":1151,"name":1152},{"_path":1394,"title":1395,"description":1396,"publishDate":1397,"tags":1398,"_id":1401,"author":1402},"/ckeefer/2016-8/herokupdf","Generating PDFs: wkhtmltopdf & Heroku","So, it has come to this.","2016-12-21",[1399,1400,1333],"heroku","pdf","content:ckeefer:2016-8:HerokuPDF.md",{"user":1151,"name":1152},{"_path":1404,"title":1405,"description":1406,"publishDate":1407,"tags":1408,"_id":1409,"author":1410},"/ckeefer/2017-1/downloadingclientsidecontent","Downloading Client-side Generated Content","A young developer, new to the Tao of the client-side, comes to a Master of the way, and speaks thusly: \"Oh Master, our application nears completion; and lo, cat pics can be drawn upon, and captions fixated thereto, for the creation of humour and the bounteous enjoyment of our users.\"","2017-02-06",[1148],"content:ckeefer:2017-1:downloadingclientsidecontent.md",{"user":1151,"name":1152},{"_path":1412,"title":1413,"description":1414,"publishDate":1415,"tags":1416,"_id":1419,"author":1420},"/ckeefer/2017-2/morepwatoya-part1","More PWA to Ya! (Progressive Web Apps, Part 1)","It's project kickoff time, and you're having a conversation with your client about what form the application will take:","2017-02-01",[1417,1418,996],"pwa","mobile","content:ckeefer:2017-2:MorePWAToYa-Part1.md",{"user":1151,"name":1152},{"_path":1422,"title":1423,"description":1424,"tags":1425,"publishDate":1426,"_id":1427,"author":1428},"/ckeefer/2017-3/morepwatoya-part2","More PWA to Ya! (Progressive Web Apps, Part 2)","Last time, we got into the nitty gritty on how to make your web application into a Progressive Web Application (PWA to it's friends). I promised we'd dig even deeper this time, and show you how to make your web app a little more 'native' on Android - and how to deal with iOS Safari's special snowflake syndrome.",[1418,1417,996],"2017-03-01","content:ckeefer:2017-3:MorePWAToYa-Part2.md",{"user":1151,"name":1152},{"_path":1430,"title":1431,"description":1432,"image":1433,"publishDate":1434,"tags":1435,"_id":1437,"author":1438},"/ckeefer/2019-1/unlockingwebaudio","Unlocking Web Audio","\"It's going to be the coolest thing ever.\"","/ckeefer/2019-1/img/featured_image.jpg","2019-01-01",[1148,1436],"audio","content:ckeefer:2019-1:UnlockingWebAudio.md",{"user":1151,"name":1152},{"_path":1440,"title":1441,"description":1442,"publishDate":1443,"image":1444,"tags":1445,"_id":1447,"author":1448},"/ckeefer/2020-1/why-vue","Why Vue","Why choose Vue over any other front-end framework?","2020-01-01","/ckeefer/2020-1/img/vue-wall.jpg",[1148,1446],"vue","content:ckeefer:2020-1:Why Vue.md",{"user":1151,"name":1152},{"_path":1450,"title":1451,"description":1452,"tags":1453,"image":1456,"publishDate":1457,"_id":1458,"author":1459},"/ckeefer/2024-3/e2e_testing","E2E Testing: To What End?","Friend, can we agree that tests are a good idea? I won't scorn you for sometimes omitting them - time and budget constraints are what they are, and even the best intentioned of us sometimes have to just give our projects a lick and a promise. \"Proper test coverage soon\", you sweetly croon as you rock it to sleep, the knowledge that you're telling a dark, terrible lie twisting you up inside. Maybe you could just scrape enough budget together for some simple unit tests? Then, at least, you'd have \"tests\", right?",[1017,1016,1454,1455],"e2e","playwright","/ckeefer/2024-3/img/E2E_Testing_2024.png","2024-06-15","content:ckeefer:2024-3:e2e_testing.md",{"user":1151,"name":1152},{"_path":1461,"title":1462,"description":1463,"tags":1464,"image":1466,"publishDate":1467,"_id":1468,"author":1469},"/ckeefer/2024-7/vpubsub","Vue 3 Pub / Sub: All aboard the (event) bus","We like Vue at A+L. We think it's one of the best frontend frameworks, and a great choice pretty much anywhere you might otherwise be tempted to use React.",[1148,1446,1465],"pub/sub","/ckeefer/2024-7/img/event_bus.png","2024-08-15","content:ckeefer:2024-7:VPubSub.md",{"user":1151,"name":1152},{"_path":1471,"title":1472,"description":1473,"publishDate":1474,"tags":1475,"_id":1476,"author":1477},"/cmacksey/2012-5/php-musings","PHP Musings","Ran into an interesting, but thorough, rant the other day - PHP: A Fractal of Bad Design. The part that grabbed me the most was the analogy at the beginning, which was all too perfect:","2012-05-07",[1243],"content:cmacksey:2012-5:php-musings.md",{"user":1478,"name":1479},"cmacksey","Chris Macksey",{"_path":1481,"title":1482,"description":1483,"publishDate":1484,"image":1485,"author":1486,"tags":1487,"_id":1493},"/cperez/2026-06-17/xamarin-to-maui","Migrating a Xamarin Medical Application to .NET MAUI","A widely used medical reference application built with Xamarin had become increasingly difficult to maintain as platform support deadlines approached. The client needed to modernize the application before operating system changes and framework deprecations created larger compatibility risks.","2026-06-22","/cperez/2026-06-17/img/xamarin-to-maui.png",{"name":14,"user":15},[1488,1489,1490,1491,1492,1418],"legacy modernization","xamarin",".net","maui","app migration","content:cperez:2026-06-17:xamarin-to-maui.md",{"_path":1495,"title":1496,"description":1497,"publishDate":1498,"image":1499,"author":1500,"tags":1501,"_id":1504},"/cperez/2026-06-25/ai_makes_modernization_feasible","How AI-Assisted Legacy Modernization Reduces Cost, Risk, and Project Timelines","Many organizations know they need to modernize their legacy applications. They also know why they haven't.","2026-06-25","/cperez/2026-06-25/img/ai_makes_modernization_feasible.png",{"name":14,"user":15},[1488,1502,19,1503],"tech debt","legacy migration","content:cperez:2026-06-25:ai_makes_modernization_feasible.md",{"_path":1506,"title":1507,"description":1508,"publishDate":1509,"image":1510,"author":1511,"tags":1512,"_id":1517},"/cperez/2026-06-30/how-ceos-should-evaluate-ai-investments","How Should CEOs Evaluate AI Investments?","CEOs should evaluate AI investments by asking whether the investment improves a measurable business outcome, changes a real workflow, keeps humans appropriately involved, has a realistic path to production, and creates value that outweighs cost and risk.","2026-06-30","/cperez/2026-06-30/img/how-ceos-should-evaluate-ai-investments.jpg",{"name":14,"user":15},[1513,1514,1515,19,1516],"agentic ai","ai investment","humans in the loop","software development","content:cperez:2026-06-30:how-ceos-should-evaluate-ai-investments.md",{"_path":1519,"title":1520,"description":1521,"publishDate":1522,"image":1523,"author":1524,"tags":1525,"_id":1527},"/cperez/2026-07-02/hidden-costs-of-legacy-software","What Are the Hidden Costs of Legacy Software?","Legacy software is rarely “bad” software.","2026-07-02","/cperez/2026-07-02/img/hidden-costs-of-legacy-software.jpg",{"name":14,"user":15},[1488,1526],"legacy software","content:cperez:2026-07-02:hidden-costs-of-legacy-software.md",{"_path":1529,"title":1530,"description":1531,"publishDate":1532,"image":1533,"author":1534,"tags":1535,"_id":1538},"/cperez/2026-07-07/why-ai-projects-fail","Why Do Most AI Projects Fail?","AI projects rarely fail because the model was not powerful enough.","2026-07-07","/cperez/2026-07-07/img/why-ai-projects-fail.jpg",{"name":14,"user":15},[19,1536,1516,1537],"ethics","vibe coding","content:cperez:2026-07-07:why-ai-projects-fail.md",{"_path":5,"title":9,"description":10,"publishDate":11,"image":12,"author":1540,"tags":1541,"_id":983},{"name":14,"user":15},[17,18,19,20],{"_path":1543,"title":1544,"description":1545,"publishDate":1546,"tags":1547,"_id":1549,"author":1550},"/dpopowich/2021-07-30/data-collector","Asynchronous Python - A Real World Example","A dive into a real example of async Python usage.","2021-07-30",[1333,1272,1548],"async","content:dpopowich:2021-07-30:data-collector.md",{"user":1551,"name":1552},"dpopowich","Daniel Popowich",{"_path":1554,"title":1555,"description":1556,"tags":1557,"image":1559,"publishDate":1560,"_id":1561,"author":1562},"/dpopowich/2023-8/postgres-pubsub","Using PostgreSQL for Pub/Sub","A+L has been working on a Single Page Application (SPA) wherein our client's users take on the role of Staff Users (think: project managers) as they aid their Customer Users in using the application to complete a complex project.",[1558,1333,1548],"postgresql","/dpopowich/2023-8/img/psql_pub_sub.png","2024-04-15","content:dpopowich:2023-8:postgres-pubsub.md",{"user":1551,"name":1552},{"_path":1564,"title":1565,"description":1566,"tags":1567,"image":1570,"publishDate":1571,"_id":1572,"author":1573},"/ewahl/2025-05/escape_deployment_hell","Escape Deployment Hell: IaC, CDK, Ephemeral Environments, and the Pragmatic Path to Platform Power","Another Friday afternoon, another deployment fire. If this sounds familiar, you're not alone. On too many projects, the chasm between application code and infrastructure management breeds manual configuration nightmares, crippling complexity, and agonizingly slow development cycles. But what if your team could sidestep this chaos, focusing on building features instead of constantly battling deployment gremlins?",[1568,1569,1333],"devops","aws","/ewahl/2025-05/img/deployment_hell.png","2025-05-13","content:ewahl:2025-05:escape_deployment_hell.md",{"user":1574,"name":1575},"ewahl","Edward F. Wahl",{"_path":1577,"title":1578,"description":1579,"publishDate":1580,"image":1581,"tags":1582,"_id":1583,"author":1584},"/ewahl/2025-06/argued_with_ai","I Argued With an AI for 20 Minutes About Async Code &mdash; And I'm Surprisingly Happy","If you have ever spent twenty minutes debating an obscure AWS Lambda invocation pattern with an AI, you might question your life choices. But here I am: amused by the wasted time but ultimately happy with the outcome and understanding I gained.","2026-06-01","/ewahl/2025-06/img/argued_with_ai.png",[1568,1569,1333],"content:ewahl:2025-06:argued_with_ai.md",{"user":1574,"name":1575},{"_path":1586,"title":1587,"description":1588,"tags":1589,"image":1590,"publishDate":1117,"_id":1591,"author":1592},"/jbagley/2019-4/makingspectrogramsinjuce","Making Spectrograms in JUCE","Art+Logic's Incubator project has made a lot of progress. In a previous post I mentioned that Dr. Scott Hawley's technique to classify audio involved converting audio to an image and using a Convolution Neural Network (CNN) to classify the audio based on this image. That image is a spectrogram. I'm going to go into some detail about what we do to create one, and why to the best of my ability.",[1034,1109,1436],"/jbagley/2019-4/img/Fortissimo_Trumpet_Ensemble_Matrix_Swells_61.wav-2048x1700.png","content:jbagley:2019-4:MakingSpectrogramsInJUCE.md",{"user":1593,"name":1594},"jbagley","Jason Bagley",{"_path":1596,"title":1597,"description":1598,"tags":1599,"image":1601,"publishDate":1602,"_id":1603,"author":1604},"/jbagley/2021-07/softwaresenescence","Legacy Vulnerabilities AKA Software Senescence","Does your business still have an XT computer in the back office because it's\nrunning that one version of some database software that your business depends\non? Yeah, we know there is. Most modern software doesn't work like that.",[18,1600],"project-management","/jbagley/2021-07/img/old_software_to_new.jpg","2021-07-01","content:jbagley:2021-07:SoftwareSenescence.md",{"user":1593,"name":1594},{"_path":1606,"title":1607,"description":1608,"tags":1609,"image":1611,"publishDate":1612,"_id":1613,"author":1614},"/jbagley/2021-08-01/accuratetiming","Accurate Timing","In many tasks we need to do something at given intervals of time. The most obvious ways may not give you the best results.",[1109,1610],"timing","/jbagley/2021-08-01/img/accurateTiming.jpg","2021-08-01","content:jbagley:2021-08-01:AccurateTiming.md",{"user":1593,"name":1594},{"_path":1616,"title":1617,"description":1618,"tags":1619,"image":1623,"publishDate":1624,"_id":1625,"author":1626},"/jbagley/2023-06-01/universal_ffmpeg_custom_builds","Building Universal FFmpeg Custom Binaries","I am using a very pared down set of FFMpeg features for a macOS project that I\nbuild into a custom library. I had a script set up to configure the build which\nworked fine on my Intel based MacBook Pro. Then I upgraded to an Apple Silicon\nMacBookPro and wanted to run natively, or at least see what happened when I\ndid. To build, FFMpeg uses autoconf which produces a makefile that then handles\nthe build.",[1620,1621,1622,1032],"c","bash","ffmpeg","/jbagley/2023-06-01/img/header.png","2024-04-01","content:jbagley:2023-06-01:Universal_FFMPEG_custom_builds.md",{"user":1593,"name":1594},{"_path":1628,"title":1629,"description":1630,"publishDate":1631,"image":1632,"tags":1633,"_id":1637,"author":1638},"/jbagley/2025-08/a_developers_primer_on_apple_tracking_transparency","A Primer on Apple's App Tracking Transparency","If an app tracks user activity, Apple requires them to declare all information they collect as well as whether that data is linked or tracked. This includes collection by the app itself and any third parties the app uses. The app owner is responsible for knowing and correctly reporting privacy information for all components in the app.","2026-05-22","/jbagley/2025-08/img/apple_app_transparency.png",[1634,1635,1031,1636],"app tracking transparency","att","macos","content:jbagley:2025-08:a_developers_primer_on_apple_tracking_transparency.md",{"user":1593,"name":1594},{"_path":1640,"title":1641,"description":1642,"tags":1643,"image":1647,"publishDate":1648,"_id":1649,"author":1650},"/jestep/2023-3/fastapi","FastAPI: A High-Performance Python Framework for Rapid Web Development","FastAPI is a modern and high-performance Python web framework designed specifically for building APIs and web applications quickly and efficiently. Developed by Sebastián Ramírez and first released in 2018, FastAPI has rapidly gained traction in the developer community thanks to its focus on providing key features for API and web app development with excellent performance.",[1333,1644,1334,1645,1646],"fastapi","flask","pyramid","/jestep/2023-3/img/header.png","2024-05-01","content:jestep:2023-3:fastapi.md",{"user":1651,"name":1652},"jestep","Jagger Estep",{"_path":1654,"title":1655,"description":1656,"publishDate":1657,"tags":1658,"image":1662,"_id":1663,"author":1664},"/nharrison/2012-07/core-data","Securing Your Core Data with Transformable Attributes","In order to store private data in an iOS Core Data database, there are several methods available for encryption, including:","2012-07-30",[1659,1660,1031,1046,1661],"core-data","encryption","objective-c","/nharrison/2012-07/img/superman.jpg","content:nharrison:2012-07:core-data.md",{"user":1665,"name":1666},"nharrison","Noah Harrison",{"_path":1668,"title":1669,"description":1670,"tags":1671,"publishDate":1676,"image":1677,"_id":1678,"author":1679},"/phendry/2019-3/restfromthebottomup","REST from the Bottom Up","The RESTful API has a funny place in the software development world: it's widely regarded as the best general-purpose pattern for building web application APIs, and yet it's also nebulous enough of a concept to cause endless disagreements within teams over exactly how to implement one.",[1672,1673,1674,1675],"rest","api","web","architecture","2019-10-01","/phendry/2019-3/img/feature_image.png","content:phendry:2019-3:RestFromTheBottomUp.md",{"user":1680,"name":1681},"phendry","Paul Hendry",{"_path":1683,"title":1684,"description":1685,"tags":1686,"publishDate":1602,"image":1687,"_id":1688,"author":1689},"/phendry/2021-06/smoothupgradestovue3","Smooth Upgrades to Vue 3","This post assumes basic familiarity with Vue.js v2.x.",[1148,1446,1272],"/phendry/2021-06/img/vue-transition.jpg","content:phendry:2021-06:SmoothUpgradesToVue3.md",{"user":1680,"name":1681},{"_path":1691,"title":1692,"description":1693,"image":1694,"tags":1695,"publishDate":1546,"_id":1696,"author":1697},"/phendry/2021-07-30/spotthevulndataranges","Spot the Vulnerability: Data Ranges and Untrusted Input","In 1997, a flaw was discovered in how Linux and Windows handled IP fragmentation, a Denial-of-Service vulnerability which allowed systems to be crashed remotely.","/phendry/2021-07-30/img/vulnerability.jpg",[1046,996],"content:phendry:2021-07-30:SpotTheVulnDataRanges.md",{"user":1680,"name":1681},{"_path":1699,"title":1700,"description":1701,"tags":1702,"image":1703,"publishDate":1704,"_id":1705,"author":1706},"/phendry/2021-08-15/exploringdependenttypesinidris","Exploring Dependent Types in Idris","When I'm not coding the \"impossible\" at Art+Logic, I take a lot of interest in new programming technologies and paradigms; even if they're not yet viable for use in production, there can often be takeaways for improving your everyday code.",[1183],"/phendry/2021-08-15/img/dependent-types.jpg","2021-08-15","content:phendry:2021-08-15:ExploringDependentTypesInIdris.md",{"user":1680,"name":1681},{"_path":1708,"title":1709,"description":1710,"tags":1711,"image":1712,"publishDate":1713,"_id":1714,"author":1715},"/phendry/2021-10-30/spotthevulnloopsandtermconditions","Spot the Vulnerability: Loops and Terminating Conditions","In memory-unsafe languages like C, special care must be taken when copying untrusted data, particularly when copying it to another buffer. In this post, we'll spot and mitigate a past vulnerability in Linux's NTP daemon.",[1046,996],"/phendry/2021-10-30/img/vulnerability-2.jpg","2021-10-30","content:phendry:2021-10-30:SpotTheVulnLoopsAndTermConditions.md",{"user":1680,"name":1681},{"_path":1717,"title":1718,"description":1719,"image":1720,"tags":1721,"publishDate":1722,"_id":1723,"author":1724},"/phendry/2022-07-21/migratingfromexpresstofastifypart1","Migrating from Express to Fastify, Part 1","Express.js has for years been the dominant lightweight Web framework for Node.js, but over time its development has stalled, with its latest major version (5.0) still in pre-release nearly eight years after its first alpha release. There's a lot to be said for this sort of stability in a foundational dependency for a project, but it's worth assessing whether the added features of competing frameworks are worth making a switch. In this article we'll be looking at Fastify in particular, to understand what it has to offer compared to Express and how difficult it is to migrate an existing Express project.","/phendry/2022-07-21/img/Migrating from Express to Fastify, Part 1.png",[1148,996],"2023-12-01","content:phendry:2022-07-21:MigratingFromExpressToFastifyPart1.md",{"user":1680,"name":1681},{"_path":1726,"title":1727,"description":1728,"image":1729,"tags":1730,"publishDate":1731,"_id":1732,"author":1733},"/phendry/2022-07-28/migratingfromexpresstofastifypart2","Migrating from Express to Fastify, Part 2","In Part 1, we looked at the features of the Fastify Node.js Web framework compared to Express.js. In Part 2, we'll work through migrating an example Express.js application to Fastify.","/phendry/2022-07-28/img/Migrating from Express to Fastify, Part 2.png",[1148,996],"2023-12-31","content:phendry:2022-07-28:MigratingFromExpressToFastifyPart2.md",{"user":1680,"name":1681},{"_path":1735,"title":1736,"description":1737,"tags":1738,"image":1739,"publishDate":1740,"_id":1741,"author":1742},"/phendry/2023-01-19/badcode","\"Bad\" Code (Or, Why Software Development is Hard)","Recently, the Dutch government open-sourced the iOS application for their \"DigiD\" authentication service. A tweet with a snippet of that source code, presumably making fun of it, blew up into a debate about whether mocking it is even justified. The amount of debate over such a simple snippet of code highlights, in my mind, just how tricky software development can be.",[1046,996],"/phendry/2023-01-19/img/Bad Code.png","2024-01-15","content:phendry:2023-01-19:BadCode.md",{"user":1680,"name":1681},{"_path":1744,"title":1745,"description":1746,"image":1747,"publishDate":1748,"tags":1749,"_id":1750,"author":1751},"/phendry/2023-01-31/forgetaboutcodestyle","Forget About [Code] Style","Good code style, being highly subjective, is something often debated among developers. After all, we spend more time reading code than writing it, so it's worth making sure our code is styled to be as easy as possible to read and to understand. On the other hand, deciding upon and continuously enforcing a style is also time-consuming, and the benefits are near-impossible to quantify. Given that modern code formatting tools can fully automate the process, is it still worth fretting about style?","/phendry/2023-01-31/img/forget_style_header.png","2024-02-01",[1183],"content:phendry:2023-01-31:ForgetAboutCodeStyle.md",{"user":1680,"name":1681},{"_path":1753,"title":1754,"description":1755,"image":1756,"tags":1757,"publishDate":1758,"_id":1759,"author":1760},"/phendry/2023-04-02/semantichtml","Don't Give Up on Semantic HTML","Since the early days of the Web, there has been tension between the ideal of \"semantic HTML\" and the practical reality of designing complex page layouts, which often could not be achieved without inserting style concerns into the document. More recently, frameworks like Tailwind CSS have emerged which challenge the very idea that semantic HTML is an ideal to strive for, and which commit to thoroughly embedding style concerns into HTML documents. With modern CSS features however, semantic HTML is more achievable than ever, and I do think it remains a worthy goal.","/phendry/2023-04-02/img/Don't Give Up on Semantic HTML.png",[1183],"2024-03-01","content:phendry:2023-04-02:SemanticHtml.md",{"user":1680,"name":1681},{"_path":1762,"title":1763,"description":1764,"image":1765,"tags":1766,"publishDate":1767,"_id":1768,"author":1769},"/phendry/2023-05-16/doyouneedacsspreprocessor","Do You Need a CSS Preprocessor in 2023?","CSS preprocessors like Less, Sass and Stylus have long provided powerful features that vanilla CSS lacked: variables, nesting of rulesets, mixins, control flow constructs, etc. These days however, the feature gap is considerably narrower, and it's not so clear that the benefits of a preprocessor outweight the burdens of setting it up.","/phendry/2023-05-16/img/css_preprocessor_header.png",[1183],"2023-01-01","content:phendry:2023-05-16:DoYouNeedACSSPreprocessor.md",{"user":1680,"name":1681},{"_path":1771,"title":1772,"description":1773,"image":1774,"publishDate":1775,"tags":1776,"_id":1777,"author":1778},"/phendry/2023-07-28/dependencymanagement","Software Dependency Management: Best Practices","Leveraging third-party libraries and frameworks is essential in most modern software projects, and the projects we build at Art+Logic are no exception. The pressure on developers to rapidly deliver features is high, and there are so many commonalities in the details of each project (particularly in Web development) that a lot of development time can be saved by using well-designed libraries that handle the details.","/phendry/2023-07-28/img/dependency_header.png","2023-01-02",[1183],"content:phendry:2023-07-28:DependencyManagement.md",{"user":1680,"name":1681},{"_path":1780,"title":1781,"description":1782,"tags":1783,"publishDate":1786,"image":1787,"_id":1788,"author":1789},"/phendry/2023-11-06/frontendframeworksin2024","Frontend Frameworks in 2024: React, Svelte and Vue","Several years ago, Art+Logic settled on Vue.js as our preferred frontend Web framework. Now, in 2024, we feel it's time to revisit the frontend framework landscape to see how things have (or haven't) changed.",[1183,1784,1785,1446],"react","svelte","2024-05-15","/phendry/2023-11-06/img/frontend_frameworks_2024.png","content:phendry:2023-11-06:FrontendFrameworksIn2024.md",{"user":1680,"name":1681},{"_path":1791,"title":1792,"description":1793,"publishDate":1794,"tags":1795,"image":1798,"_id":1799,"author":1800},"/rbrubaker/2012-06/arduino-thermometer","Turn Your Mac into a Thermometer with Arduino","The topic of the Arduino came up around A&L's \"virtual water cooler\" last week. About a year and a half ago, I purchased a SparkFun Inventor's Kit for Arduino. The kit is a fun way for a hardware novice like me to get started and learn some basics. It comes with more than a dozen sample projects such as lighting LEDs, spinning a motor and generating audio.","2012-06-28",[1796,1797],"arduino","java","/rbrubaker/2012-06/img/arduino1.jpg","content:rbrubaker:2012-06:arduino-thermometer.md",{"user":1801,"name":1802},"rbrubaker","Ryan Brubaker",{"_path":1804,"title":1805,"description":1806,"publishDate":1807,"tags":1808,"_id":1811,"author":1812},"/rbrubaker/2012-06/coffe-backbone-1","Fun with CoffeeScript and Backbone.js : Part 1","CoffeeScript has been all the rage lately and I've been wanting to hop on board the bandwagon. I've also seen Backbone.js mentioned quite a bit and was even more intrigued after listening to this .NET Rocks podcast. I decided to convert some plain JavaScript code I had in a side project to use both CoffeeScript and Backbone.js and see how things went.","2012-06-06",[1809,1810,1173,996],"backbone-js","coffeescript","content:rbrubaker:2012-06:coffe-backbone-1.md",{"user":1801,"name":1802},{"_path":1814,"title":1815,"description":1816,"publishDate":1817,"tags":1818,"_id":1819,"author":1820},"/rbrubaker/2012-06/coffee-backbone-2","Fun with CoffeeScript and Backbone.js : Part 2","In this post I’ll discuss the code that handles updating the UI.","2012-06-07",[1809,1810,1173,996],"content:rbrubaker:2012-06:coffee-backbone-2.md",{"user":1801,"name":1802},{"_path":1822,"title":1823,"description":1824,"publishDate":1825,"tags":1826,"_id":1827,"author":1828},"/rbrubaker/2012-06/coffee-backbone-3","Fun with CoffeeScript and Backbone.js : Part 3","In this post I’ll discuss my thoughts on CoffeeScript and Backbone.js.","2012-06-08",[1809,1810,1173,996],"content:rbrubaker:2012-06:coffee-backbone-3.md",{"user":1801,"name":1802},{"_path":1830,"title":1831,"description":1832,"publishDate":1833,"tags":1834,"_id":1835,"author":1836},"/rbrubaker/2012-07/prototypal-js","Prototypal vs. Functional Inheritance in JavaScript","If you ever found JavaScript's prototypal inheritance confusing, do yourself a favor and open this article, open a JavaScript console and code each example in the article. You will definitely come away with a better understanding of how prototypal inheritance works in JavaScript.","2012-07-11",[1810,1148],"content:rbrubaker:2012-07:prototypal-js.md",{"user":1801,"name":1802},{"_path":1838,"title":1839,"description":1840,"publishDate":1841,"tags":1842,"_id":1843,"author":1844},"/rbrubaker/2012-07/whither-pm","Whither Project Management?","When I was first asked to manage a project at Art & Logic, I had my reservations. Did I really want to start down a career path that led to less development? Would my skills as a developer go stale? My first few projects as a manager were solo projects so I still had plenty of development work and fortunately, I found myself to be a pretty easy person to manage. As time went on I started managing larger projects and with them came the responsibility to manage other developers. To my surprise I found project management to be rewarding and dare I say, even fun. It's very satisfying to work with clients, helping them define their visions and seeing those visions come to life.","2012-07-25",[1600],"content:rbrubaker:2012-07:whither-pm.md",{"user":1801,"name":1802},{"_path":1846,"title":1847,"description":1848,"tags":1849,"image":1852,"publishDate":1117,"_id":1853,"author":1854},"/scharette/2019-4/discover_machine_learning","Discover Machine Learning","Computers have been around for less than 100 years.  In that short period of time, some incredible things have happened:  they've been universally adopted so quickly that we have them in our houses.  In our cars.  Even in our pockets.  In the last 40 years, there have been many significant events when it comes to computers:",[1850,1851,1109],"machine-learning","neural-networks","/scharette/2019-4/img/discover_machine_learning.png","content:scharette:2019-4:discover_machine_learning.md",{"user":1855,"name":1856},"scharette","Stéphane Charette",{"_path":1858,"title":1859,"description":1860,"publishDate":1861,"image":1862,"tags":1863,"_id":1865,"author":1866},"/shuey/2012-05/baas","BaaS Offerings Continue to Grow","The makers of Simplenote recently introduced their Backend as a Service (BaaS) offering called Simperium that looks to compete in an increasingly crowded space with services like CloudMine, Kinvey, and Parse and to some extent with iCloud for iOS and OS X only apps. So just how crowded is this space? Back in February, Kinvey published their own map of the BaaS ecosystem that highlights different tiers of the ecosystem and various relationships between them.","2012-05-10","/shuey/2012-05/img/header.png",[1864],"baas","content:shuey:2012-05:baas.md",{"user":1867,"name":1868},"shuey","Steven Huey",{"_path":1870,"title":1871,"description":1872,"publishDate":1873,"tags":1874,"image":1876,"_id":1877,"author":1878},"/shuey/2012-05/cloud","Under the Sheets with iCloud and Core Data","Drew McCormack is writing a great series (Part 1, Part 2, Part 3) of posts about using iCloud for syncing Core Data managed data. It's harder than Apple lets on and Drew has done a great job of uncovering how this actually works.","2012-05-28",[1032,1875],"icloud","/shuey/2012-05/img/icloud.jpg","content:shuey:2012-05:cloud.md",{"user":1867,"name":1868},{"_path":1880,"title":1881,"description":1882,"publishDate":1883,"tags":1884,"_id":1886,"author":1887},"/shuey/2012-05/economics-android","The Economics of Android","If you haven't already do yourself a favor and head over to asymco.com to catch Horace Deidu's multi-post series on \"The Economics of Android\". Horace and Dan Benjamin discuss the series during this week's Critical Path podcast as well. Horace is a former analyst for Nokia and has been writing Asymco for a few years now. His analysis of the mobile industry and Apple's place within it in particular has been featured in publications such as Bloomberg and Forbes.","2012-05-17",[1885],"android","content:shuey:2012-05:economics-android.md",{"user":1867,"name":1868},{"_path":1889,"title":1890,"description":1891,"publishDate":1474,"tags":1892,"_id":1895,"author":1896},"/shuey/2012-05/iot","The Internet of Things and Big Data","I've been following the developments in the \"Internet of Things\" and Big Data / Open Data markets as new apps and tools are released and they look to be two exciting technologies on a collision course. With the advent of internet connected home appliances like Wattvision and Nest that provide real utility to the average home owner at reasonable prices along with crowd funded projects like Air Quality Egg or Twine we should see an explosion in the kinds and amount of useful and real-time or near real-time data that is available to anyone with a smartphone. Health metric or \"quantitative self\" tracking devices such as Fitbit, Jawbone Up, and the Pebble watch will fuel this data explosion as well.",[1893,1894],"big-data","iot","content:shuey:2012-05:iot.md",{"user":1867,"name":1868},{"_path":1898,"title":1899,"description":1900,"publishDate":1901,"tags":1902,"image":1904,"_id":1905,"author":1906},"/shuey/2012-05/rubymotion","RubyMotion Brings Ruby to iOS","RubyMotion is a new development toolchain that allows you to build iOS apps using Ruby created by Laurent Sansonetti, a former Apple engineer and contributor to the MacRuby project. It has garnered a lot of attention the past few weeks and some detailed reviews have already been written:","2012-05-14",[1031,1903],"ruby","/shuey/2012-05/img/logotype-icon.png","content:shuey:2012-05:rubymotion.md",{"user":1867,"name":1868},{"_path":1908,"title":1909,"description":1910,"publishDate":1911,"tags":1912,"image":1913,"_id":1914,"author":1915},"/shuey/2012-06/thoughts-ios6","A few thoughts on iOS 6","Apple made their session videos from WWDC 2012 available earlier this week in record time. It's nice to see since tickets for this years event sold out in under two hours. Apple has an iOS 6 Preview page touting some of the new features such as Siri's new abilities, tighter integration with Facebook, Photo Stream sharing, and things like iCloud tabs for Safari all of which look great.","2012-06-21",[1032,1031],"/shuey/2012-06/img/ios6.jpg","content:shuey:2012-06:thoughts-ios6.md",{"user":1867,"name":1868},{"_path":1917,"title":1918,"description":1919,"publishDate":1920,"tags":1921,"image":1923,"_id":1924,"author":1925},"/shuey/2012-07/mixer","A Simple Mixer Using AVFoundation","In iOS 4.0 Apple introduced the AV Foundation APIs that made working with audio and video media much easier than it had been in previous versions of iOS. Apple then brought these APIs to Mac OS X in OS X 10.7 \"Lion\". In this post I'll show how to use some of the APIs to create a simple four track mixer.","2012-07-02",[1032,1922,1031],"cocoa","/shuey/2012-07/img/mixer-screenshot.jpg","content:shuey:2012-07:mixer.md",{"user":1867,"name":1868},{"_path":1927,"title":1928,"description":1929,"publishDate":1930,"tags":1931,"image":1932,"_id":1933,"author":1934},"/shuey/2012-07/reset-button","The Reset Button","Horace Dediu of Asymco has been publishing some fantastic insights and analysis of the mobile market in the past few weeks. I linked to some of Dediu's analysis of the Economics of Android in an earlier post, and since then he's updated his work with the latest data and is studying RIM and Microsoft's efforts in the space as well.","2012-07-19",[1885,1032,1031],"/shuey/2012-07/img/kevin.jpg","content:shuey:2012-07:reset-button.md",{"user":1867,"name":1868},{"_path":1936,"title":1937,"description":1938,"publishDate":1939,"tags":1940,"image":1942,"_id":1943,"author":1944},"/tfarrel/2012-07","Looking at Steganography","With the help of one of my favorite news aggregators, I discovered this article on using JavaScript and the canvas element to hide information inside images. I've long been fascinated by steganography and this article and demonstration makes it even more accessible. If you can't be bothered to read the article, it describes a method of using the HTML5 File API and the canvas element to embed a message in images.","2012-07-24",[1941],"steganography","/tfarrel/2012-07/img/white.png","content:tfarrel:2012-07:index.md",{"user":1945,"name":1946},"tfarrel","Troy Farrel",1783408212208]