标签：#development

Google's Angular team has released a repository called angular/skills, focusing on Agent Skills that enhance AI coding agents' ability to write modern Angular code. The repository includes skills for generating code and scaffolding applications, reinforcing current Angular conventions. It serves as a snapshot, aiming to improve AI suggestions by providing updated context. By Daniel Curtis

In this podcast, Shane Hastie, Lead Editor for Culture & Methods spoke to Craig McLuckie, co-creator of Kubernetes and CEO of Stacklok, about the impact of AI coding tools on open source communities and engineering teams, designing deliberate organisational culture, and navigating evolving career paths for engineers in the age of AI. By Craig McLuckie

Two related, Oracle-backed projects published opposing policies on open-source contributions created with generative AI: The OpenJDK Governing Board approved an interim policy prohibiting such contributions, while the Coding Assistants policy from GraalVM permits them. Both projects require contributors to sign the same Oracle Contributor Agreement (OCA) for intellectual property. By Karsten Silz

Cindy Zhang discusses the evolution of XDS, a unified UI system powering 10,000+ internal tools. She shares actionable insights for architects and engineering leaders on managing large-scale community contributions, executing safe monorepo refactors using JS AST and AI codemods, mitigating breaking changes via feature flags, and expanding UI libraries into full-stack platform systems. By Cindy Zhang

Recently open-sourced by Microsoft, pg_durable is a PostgreSQL extension that enables durable workflows to run natively inside the database, eliminating the need for external orchestration systems. By Sergio De Simone

The real question isn't which framework is better. It's which one you can stop thinking about six months into the project. Key Takeaways Project Suitability — Django is built for weight. Flask is built for speed. Know which one your project actually needs before you commit. Development Flexibility — Django makes decisions so your team doesn't have to. Flask hands those decisions back. Both are features, depending on who's writing the code. Scalability & Performance — Scaling is an architecture problem first, a framework problem second. Pick the one that matches the system you're building — not the one you hope to build. Security Features — Django's protections are on by default. Flask's require you to turn them on. In a fast-moving team, that difference is more significant than it sounds. Ecosystem & Community — Both communities are active and well-documented. You won't be stuck either way. The Decision Nobody Takes Seriously Enough I've watched this play out more times than I'd like to count. A team kicks off a Python project, someone picks a framework — usually the one the most senior person knows best — and everyone moves on. Fast forward six months and the codebase is exhausting to work in. Either they're dragging a full framework through a service that should've been twenty lines of Flask, or they're rebuilding authentication from scratch on something that outgrew its lightweight origins two sprints in. The framework choice isn't irreversible. But undoing it mid-project is expensive in a way that doesn't show up in any estimate. Django and Flask are both genuinely good. What they're good for is different. That's the part worth slowing down on. What You're Actually Getting With Each One Django arrives with almost everything a web application needs already assembled — an ORM, an admin panel, authentication, form handling, CSRF protection, and more. The design assumption is that most web applications need most of these things, so it makes more sense to ship them i

Το πρόβλημα της ώρας Η ώρα είναι από τα πιο ύπουλα προβλήματα στην ανάπτυξη λογισμικού. Αν ένας χρήστης στην Αθήνα δημιουργήσει μια παραγγελία στις 20:00 και ένας άλλος στη Νέα Υόρκη τη δει στις 13:00, ποια είναι η "σωστή" ώρα; Αν μια εφαρμογή αποθηκεύσει μόνο το 20:00, χωρίς να γνωρίζει τη ζώνη ώρας, τότε η πληροφορία είναι πρακτικά άχρηστη. Αυτός είναι ο λόγος που υπάρχουν έννοιες όπως: Local Time UTC UTC Offset Epoch / Unix Timestamp Δεν δημιουργήθηκαν για να μας μπερδεύουν. Δημιουργήθηκαν για να λύνουν το πρόβλημα της παγκόσμιας διαχείρισης χρόνου. Local Time Το Local Time είναι η ώρα που βλέπει ο χρήστης στη χώρα του. Παραδείγματα: Αθήνα: 2026-06-09 20:00 Λονδίνο: 2026-06-09 18:00 Νέα Υόρκη:2026-06-09 13:00 Όλες οι παραπάνω ώρες μπορεί να αντιστοιχούν στην ίδια ακριβώς χρονική στιγμή. Συνέβει ένα γεγονός μία ενέργεια στον πλανίτη γη ακριβώς αυτή την στιγμή που όμως για διαφορετικές γεωγραφικές περιοχές αντιστοιχεί σε διαφορετικές ώρες. Πότε χρησιμοποιούμε Local Time; Μόνο για εμφάνιση στον χρήστη. Παραδείγματα: Ημερομηνία παραγγελίας Ώρα δημιουργίας post Ημερολόγιο συναντήσεων Reports προς τον χρήστη Πότε ΔΕΝ το αποθηκεύουμε; Σχεδόν ποτέ ως μοναδική πηγή αλήθειας. Αν αποθηκεύσεις: 2026-06-09 20:00 δεν γνωρίζεις: Σε ποια χώρα δημιουργήθηκε Σε ποια ζώνη ώρας ανήκει Αν ίσχυε θερινή ώρα (DST) UTC (Coordinated Universal Time) Το UTC είναι η παγκόσμια αναφορά χρόνου. Όλες οι ζώνες ώρας υπολογίζονται σε σχέση με αυτό. Παράδειγμα: UTC: 2026-06-09 17:00 Την ίδια στιγμή με βάση την UTC ώρα μπορούμε να έχουμε: στην Αθήνα UTC+3 -> 20:00 στο Λονδίνο UTC+1 -> 18:00 στη Νέα Υόρκη UTC-4 -> 13:00 Πότε χρησιμοποιούμε UTC; Σχεδόν πάντα στο backend. Αποθηκεύουμε: 2026-06-09 T 17 : 00 : 00 Z Το Z σημαίνει UTC. Γιατί; Επειδή: Δεν αλλάζει με DST Δεν εξαρτάται από χώρα Είναι παγκόσμιο σημείο αναφοράς Ένας κανόνας που ακολουθούν σχεδόν όλες οι μεγάλες εταιρείες: Store in UTC, display in Local Time. UTC Offset Παραδείγματα: UTC+3 UTC+2 UTC-5 UTC+9 Για την Αθήνα: Χειμώνας -> UTC+2 Καλοκα

Most developers know Haskell as a language for functional programming, type safety, compilers, parsers, and beautiful mathematical abstractions. But can Haskell also be used to build an interactive engineering simulator? That was the motivation behind my project: Four-Bar Mechanism Haskell Simulator Repository: https://github.com/mohammadijoo/Four-Bar-Mechanism-Haskell This project is a browser-backed desktop-style GUI application written in Haskell. It visualizes, classifies, and animates a planar four-bar linkage mechanism, which is one of the most classical mechanisms in mechanical engineering, kinematics, and machine design. The GUI is built with Threepenny-GUI , so the interface runs in a local browser window, while the mathematical model and mechanism logic remain written in Haskell. For me, the interesting part was not only drawing a moving linkage. It was about connecting mechanism design theory , computational geometry , and functional programming in one small educational simulator. What is a four-bar linkage? A four-bar linkage is a closed-loop mechanical system made from four rigid links connected by four revolute joints. In this project, the four links are: Symbol Name Description g Ground link Fixed distance between pivots A and B a Input link Rotating link from A to moving pivot C b Output link Link from fixed pivot B to moving pivot D f Floating link / coupler Link connecting moving pivots C and D The fixed pivots are placed at: A = ( 0 , 0 ) , B = ( g , 0 ) The input link rotates by angle α . Therefore, point C can be computed directly as: C = ( a cos α ,; a sin α ) Point D is more interesting. It must satisfy two geometric distance constraints: ∣ D − C ∣ = f ∣ D − B ∣ = b So the simulator solves the position of point D using a circle-intersection method. One circle is centered at C with radius f . The other circle is centered at B with radius b . Where those two circles intersect, the mechanism can close. That is the basic geometric heart of the sim

Mobile Experiences That Keep Your Business Connected Today’s customers expect speed, convenience, and accessibility at their fingertips. Mobile applications have become one of the most important channels for engaging users, delivering services, and building lasting customer relationships. At Code Scrapper, we create mobile applications that help businesses stay connected with their audiences while delivering seamless digital experiences across modern devices. Whether you’re launching a new product, expanding your digital presence, or improving customer engagement, our mobile app development services are focused on creating applications that users enjoy and businesses can confidently scale. Turning Ideas Into Engaging Mobile Products A successful mobile application is more than a collection of features. It must provide a smooth experience, solve real problems, and encourage users to return. Our development approach combines business strategy, user-focused design, and modern engineering practices to create mobile solutions that support long-term success. From startup concepts to enterprise applications, we help organizations transform ideas into reliable mobile products that create meaningful value for users and measurable results for businesses. What We Build Customer-Facing Mobile Applications Applications designed to strengthen customer engagement, improve accessibility, and enhance user satisfaction through intuitive experiences. Business & Enterprise Applications Mobile solutions that help teams collaborate, manage operations, and access critical information from anywhere. Ecommerce Applications Mobile commerce experiences designed to simplify purchasing journeys and increase customer retention. On-Demand Service Applications Platforms that connect businesses and users through real-time interactions, bookings, and service delivery. Membership & Community Platforms Applications that help businesses build stronger communities, improve communication, and increase us

When we build something complex—whether it’s a skyscraper, a gourmet meal, or a piece of software—we usually start with a plan. In software development, however, it’s easy to skip that step. We often jump straight into implementation, focusing on how to write the code instead of the intent behind it. Over time, this leads to rework, confusion, and systems that don't quite match our original goals. Spec-Driven Development (SDD) is an approach that shifts the focus back to the plan. Instead of starting with code, you start with a Specification : a clear, structured description of what the software should do. You then use an AI coding agent as a high-speed collaborator to help turn that specification into working code. 🔍 What is a “Spec”? A Specification (or “Spec”) is a written contract between your intention and the final product. It isn't a 50-page manual; it's a living document that defines: What the system should do. How it should behave in different scenarios. Which constraints and rules it must follow. From Prompts to Specifications There is a massive difference between a vague prompt and a structured spec. Loose prompts often lead to inconsistent results and "hallucinations," whereas clear specifications give the AI a much better target to hit. Bad Prompt: > “Build me a login system.” Good Spec: A good spec provides the clarity an AI (or a human) needs to succeed. You don’t need a 10-page document to benefit from specs; you need clarity, not length. 🛠️ Example Spec: Login Endpoint Overview Allow users to log in using email and password. Endpoint POST /api/login Request { "email" : "user@example.com" , "password" : "string" } Behavior Success: If email and password are correct → return a token and user info. Invalid Credentials: If credentials don't match → return INVALID_CREDENTIALS . Invalid Input: If fields are empty or the email format is wrong → return INVALID_INPUT . Rules Passwords must be stored hashed (e.g., bcrypt). Token expires in 24 hours. Security:

Birgitta Böckeler, Distinguished Engineer at Thoughtworks, returns to discuss the rapid evolution of AI in software delivery. She touches on the evolution from vibe coding, the changing tools landscape and the more autonomous agents that, besides higher velocity, introduce higher risk. By Birgitta Böckeler

Rocicorp has released Zero 1.0, a stable version of its sync engine after two years of development. This update introduces a schema change hook for Supabase and includes bug fixes. Zero operates by pairing a client library with a read-only Postgres cache. Community feedback highlights positive developer experience but raises concerns about production readiness and existing limitations. By Daniel Curtis

I got fired from my first job, took down a database server with a badly written query, and was...

If you’ve been following my previous posts, you know I’m a big advocate for Trunk-Based Development and shrinking your pull requests until they almost feel too small. In a perfect world, developers merge code directly into the main branch multiple times a day, everything flows smoothly, and production remains rock solid. But let’s be honest. When you actually try to pitch this to a backend team working on a core system, you almost always hit the exact same wall of resistance. Someone in the back of the room will inevitably raise their hand and ask: “That sounds great in theory, but I’m currently refactoring our legacy checkout service. It’s going to take me four days of deep architectural changes. Are you seriously telling me I should merge half-baked, broken code into the main trunk and push it straight to production where real customers are buying our products?” It’s a completely valid objection. If your only tool for hiding uncompleted work is holding onto a massive, long-lived feature branch, then trunk-based development breaks down immediately. You end up with the exact nightmare we talked about earlier: huge code reviews, painful merge conflicts, and code that rots before it ever sees a live environment. To make continuous delivery actually work without causing catastrophic production outages every single afternoon, you need to decouple two concepts that most engineering teams mistakenly treat as the exact same thing: Deployment and Release . Last article in this category is focused on Trunk-Based Development: https://codecraftdiary.com/2026/05/18/trunk-based-development-roadmap/ The Core Concept: Shifting Left by Decoupling In traditional development setups, deploying code and releasing a feature happen simultaneously. You merge your giant feature branch, the CI/CD pipeline runs, the code hits the live servers, and boom—your users immediately see the new functionality. This model is incredibly high-stakes. If something goes wrong, your only options are rollin

If you have ever submitted an iOS application to Apple's App Store and received a cryptic rejection notice about icon specifications, you are not alone. Apple's human interface guidelines for icons are extraordinarily precise — and for good reason. The iOS ecosystem spans devices from the tiny Apple Watch to the expansive iPad Pro, each requiring icons at exact pixel dimensions to render correctly across Retina, Super Retina XDR, and ProMotion displays. Understanding iOS icon sizes is not optional. It is a prerequisite for shipping. Every pixel dimension you provide must match Apple's specifications exactly, must use lossless PNG format, must not include transparency, and must be delivered with the exact filename that Xcode expects. One missed size, one wrong filename, and your project fails to build correctly. Precision is not a suggestion — it is a hard requirement enforced by Xcode's build system. iPhone Icon Sizes For iPhone applications, the required icon sizes span multiple uses within the operating system. The App Store listing requires a 1024×1024 pixel icon. The home screen displays icons at different sizes depending on device generation and display density. Notification icons, Spotlight search results, and Settings app icons all require their own specific dimensions. Usage Scale Size (px) Filename Convention App Store 1× 1024×1024 Icon-1024.png Home Screen 2× 120×120 Icon-60@2x.png Home Screen 3× 180×180 Icon-60@3x.png Spotlight 2× 80×80 Icon-40@2x.png Spotlight 3× 120×120 Icon-40@3x.png Settings 2× 58×58 Icon-29@2x.png Settings 3× 87×87 Icon-29@3x.png Notification 2× 40×40 Icon-20@2x.png Notification 3× 60×60 Icon-20@3x.png iPad Icon Sizes iPad adds its own set of required sizes, particularly because of the larger screen real estate and different display densities. Xcode's asset catalog system requires each icon to be placed in the correct slot, and any missing slot will prevent archiving for App Store submission. This makes completeness not just a best p

This is the eighth and final post in a series on the false assumptions teams make when building with generative AI. The series began with the observation that the trough of disillusionment for AI-assisted development has arrived — not because AI is useless, but because eight false assumptions made the trough inevitable. This post covers the last assumption and closes the series. The Fallacy "If one AI agent gives us a 10x boost, ten agents will give us 100x." Why it's tempting The arithmetic feels irresistible. One agent generates code for the backend. Another generates the frontend. A third writes tests. A fourth handles database migrations. A fifth generates documentation. Each agent works in parallel. No meetings, waiting or coordination overhead. Pure throughput. Leadership sees the potential: a five-person team with fifty agents has the output of a fifty-person team at the cost of a five-person team plus API credits. The scaling is linear. The economics are transformational. And the early results confirm it. Each agent, working on its own, produces impressive output. The backend agent generates Go code. The frontend agent generates React components. The test agent generates test suites. Each agent, in isolation, looks like a 10x developer. Why it's wrong You've seen this problem before. It has a name. It's called distributed systems. A distributed system is a collection of independent actors that must coordinate to produce a coherent result. Each actor makes decisions locally. The system's correctness depends on those local decisions being compatible globally. When they aren't, you get inconsistency, conflicts, data corruption, and cascading failures. AI agents working on the same codebase are a distributed system. Each agent makes decisions — variable names, error handling strategies, retry policies, data formats, abstraction levels, dependency choices. Each decision is made locally, in the context of one prompt, one file, one task. No agent sees the full pict

The One TDD Habit That Saved My Sanity (and My Codebase) Quick context (why you're writing this) Here's the thing: I used to think I was doing TDD right. I’d write a test, watch it fail, then write just enough code to make it green. Rinse and repeat. Sounds textbook, right? But a few months ago I spent an entire afternoon chasing a bug that only showed up after I refactored a service class. The tests were all passing, yet the app was throwing NullReferenceExceptions in production. I was shocked. How could everything be green and still be broken? Turns out I was testing the inside of my code instead of what it actually did for the outside world. That realization hit me like a truck, and it completely changed how I approach TDD. The Insight Test behavior, not implementation. If your test is coupled to private fields, internal data structures, or the exact way a method accomplishes its goal, you’re not testing what matters—you’re testing how you happen to do it today. When you later refactor to improve performance, swap out a dependency, or even just rename a variable, those tests start failing for no good reason. You end up spending more time fixing tests than delivering value, and you lose confidence in the suite because it feels fragile. The payoff? A test suite that gives you confidence when you change code, not anxiety. You can refactor fearlessly because the tests only care about the contract: given these inputs, the system should produce these outputs or side‑effects . How (with code) Let’s look at a tiny but realistic example: a PasswordValidator service that checks whether a user‑chosen password meets our policy. ❌ The mistake: testing implementation details // PasswordValidator.cs public class PasswordValidator { private readonly IRegexProvider _regex ; // injected for testability public PasswordValidator ( IRegexProvider regex ) { _regex = regex ; } public bool IsValid ( string password ) { // implementation we might want to change later return _regex . IsMa

TypeORM 1.0 is the first major release of the open-source TypeScript and JavaScript ORM since its inception in 2016. This version modernizes platform requirements, removes deprecated APIs, and introduces numerous bug fixes and new features. TypeORM now supports ECMAScript 2023, dropping older Node.js versions and dependencies while enhancing security and migration processes. By Daniel Curtis

My Journey Towards AI and Software Development Hello everyone, My name is Kunal Tiwari, and I am a student who is passionate about technology, artificial intelligence, and software development. Technology has always fascinated me because it allows people to transform ideas into real-world solutions. Over time, I developed a strong interest in understanding how software is built and how AI can help solve everyday problems. I started exploring programming and software development with curiosity and a desire to learn. Although I am still at the beginning of my journey, I believe that consistent learning and practical projects are the best ways to grow as a developer. My current interests include: Artificial Intelligence (AI) Android App Development Software Engineering Problem Solving Building useful applications Through this blog, I plan to share my learning experiences, projects, challenges, and lessons that I discover along the way. My goal is not only to improve my technical skills but also to document my progress and connect with other learners and developers. I know the journey ahead will require patience, dedication, and continuous learning. However, I am excited about the opportunities that technology offers and look forward to building meaningful projects in the future. Thank you for reading my first post. I hope to share valuable insights and experiences as I continue my journey towards AI and software development. Best regards, Kunal Tiwari

Agentic AI in software development: what's actually production-ready in 2025 There's a lot of noise about AI agents right now. This post is an attempt to be precise: what is an agent architecturally, what can it actually do in a dev workflow today, and where does it still break. **What makes something an "agent" vs. a standard LLM call **A standard LLM call is stateless. You send a prompt, you get a response. No memory of previous turns (unless you manage it yourself), no external actions, no loop. An agent is a system built around an LLM that adds: Persistent memory across steps in a task Tool use - structured access to external systems (file I/O, shell execution, HTTP calls, database queries) A planning + evaluation loop - the agent generates a plan, executes a step, checks whether it succeeded, and decides next action Without all three, you don't have an agent. You have a capable model with maybe some extra context. What's actually production-ready today High confidence (use in production): Unit test generation for existing, well-documented code Boilerplate scaffolding (new modules, new endpoints, CRUD patterns) Documentation generation tied to code diffs Code migration tasks (framework upgrades, Python 2→3, ORMs) PR description generation from diffs Bug triage: given an issue, find likely affected files * Works but needs oversight: * Multi-file refactoring Dependency updates with breaking changes Writing integration tests (more surface area for wrong assumptions) Not there yet: Novel architecture decisions Debugging in unfamiliar/undocumented codebases Tasks with genuinely ambiguous requirements Long autonomous chains (>10 steps) without human checkpoints The failure modes to build around Ambiguous task specification Agents optimize for completing the task as specified. If the spec is loose, they'll complete the wrong task confidently. Be more precise with agents than you'd be with a junior engineer - there's no informal Slack thread to resolve ambiguity. Error