Insights & Articles
Stay up to date with the latest in AI, mobile development, web technologies, and software engineering — curated from top developers worldwide.
(Spanish)📝 Caso de Estudio: Si Presto! — De cuadernos de notas a una arquitectura Offline-First en Flutter
📌 Introducción: El origen del problema (De una libreta a código) El software más útil nace...
Alejandro Olivar
Game Builder Tutorial 2: Build a Blackjack Card Game (Duke Jack)
A code-included walkthrough that builds Duke Jack, a playable blackjack card game, with the Codename One Game Builder — lay a felt table, deal real cards as data-driven elements, and drive the full hit/stand/dealer rules from the companion class.
Shai Almog
Bigger Context Windows Didn't Make Our RAG Smarter
We stopped measuring retrieval quality by how many tokens we could fit into the prompt. When...
ValeryKot
My Next.js 16 Optimistic UI Looked Perfect. Then Someone Clicked It Five Times Fast
Everything worked. I'd wired up useOptimistic on a task list, the checkbox flipped the instant you...
Shubhra Pokhariya
TanStack Start vs Nuxt: One Framework to rule them all?
I love Nuxt and I really like TanStack Start. But which one is better? Or are they about the...
Erik Hanchett
133 People Started My App's Onboarding. One Finished. Here's Everything I Learned Building Toffee.
Building a personal finance app nights-only, one hour at a time, while working a full-time...
Terry Threatt
Flutter Widgets Guide — Part 2: Every Other Widget
Flutter Widgets Guide — Part 2: Every Other Widget This continues...
Nayden Gochev
A Privacy-First Analytics API: One Facade, A Provider SPI, And A Consent Gate
A new analytics API replaces the deprecated Google Analytics v1 service with a single facade, a provider SPI you can point at GA4, Matomo, Firebase, our cloud or your own backend, and a consent gate that is opt-in by default. Nothing leaves the devic
Shai Almog
Why AI Still Can't Write Well and Which Half of That Problem Is Actually Yours
I built a 36-pattern checklist to catch AI writing tells in my own drafts, calibrated against...
Daniel Nwaneri
How to Test 40+ UI Components in Under a Minute: Speeding Up Screenshot Tests
Hey DEV! My name is Anton, and I am a frontend developer. Our team is responsible for the "Product...
Anton Trishin
I Like Enums. My Teammate Preferred Literals. TypeScript Let Us Have Both.
I recently reviewed a contribution to a shared React module where one developer used const objects...
NickM
Maps You Control: A Pure-Vector MapView And Pluggable Native Providers
A new maps API (PR #5264) brings mapping back into Codename One core with two components on one MapSurface API — a pure-vector MapView drawn entirely through Graphics, and a NativeMap whose provider (Apple MapKit, Google Maps) is chosen by a build hi
Shai Almog
GPU Survivors: Can You Survive a 1T Parameter Inference Run?
Survive endless waves of OOD data, prompt injections, and adversarial token splits inside a GPU Core while scaling your model architecture to 1T parameters.
UnitBuilds
Why I Ditched Socket.IO for Raw WebSockets (And What I Learned)
When you google "how to build a chat app in Node.js," the very first result will almost certainly...
Nikhil Sharma
Funding Open Source Without The Bait And Switch: Analytics, Native Maps, TV And More
This week adds a privacy-first analytics API, a pure-vector map engine with pluggable native providers, Apple TV and Android TV support with CSS @media for form factors, rich text and code editors, and device integrity and app review APIs. It is also
Shai Almog
Letting the DEV Community Weigh in on the Topics of AIE
I’m at the AI Engineer World’s Fair in San Francisco, where the vibes are enthusiastic. However,...
Ben Halpern
Game Builder Tutorial 1: Build a 2D Platformer — Duke's Coffee Run
A complete, code-included walkthrough that builds a playable 2D platformer — "Duke's Coffee Run" — with the Codename One Game Builder. Import a real animated sprite sheet, lay out the level, then wire win/lose logic in the generated companion class.
Shai Almog
Share Everything Except the Route Tree: A Multi-Customer Monorepo with TanStack Router
How we stopped copy-pasting a whole admin panel to every customer. We build a white-label...
Cengiz Dönmez
From Harness Engineering to Evals: What’s Trending at AI Engineer
I’m at the AI Engineer conference in San Francisco this week. The event has every major brand-name...
Ben Halpern
Optimizing for Agents with llms.txt
If you’ve spent any time poking around the AIE World’s Fair 2026 website, you may have come across...
Ryan Palo
I shipped my first npm package with AI — and it's already in production
I'm a frontend developer with about three years of experience. Until a few months ago, "publish an...
Artemy
Reading Anthropic's "When AI Builds Itself" Changed How I Think About AI and Software Engineering
TL;DR Anthropic recently published When AI Builds Itself, an essay explaining how AI is...
Hemapriya Kanagala
The Future Of AI Is Local And Open
There’s a specific moment that happens at every single hackathon. It’s usually around 2 or 3 a.m.,...
Paige Bailey
The Codename One Game Builder: Draw The Level, Code The Rules
A visual level editor for the Codename One gaming API that saves a plain-data .game file the runtime plays, across 2D, isometric board, and 3D modes, plus a streaming engine for large open worlds. The orientation before the three hands-on tutorials.
Shai Almog
Someone Else Pays for Your AI Access
you probably didn't think about this when you signed up. you entered your card details, verified...
Daniel Nwaneri
Need a break? Play today's game from The Daily Context.
We (at DEV and MLH) are covering AI Engineer's World Fair by printing a physical newspaper called...
Jess Lee
Welcome to AI Engineer World’s Fair 2026
Welcome to the first edition of the AI Engineer World’s Fair newspaper! On behalf of the organizing...
swyx
What Actually Happens When You Call an LLM API
you've felt it. you type a prompt, hit send, and the response starts streaming in under a second....
Daniel Nwaneri
What's Next for AI?
I have been writing about AI for quite a while now, but this is probably the first time I genuinely...
Sylwia Laskowska
Choreography of validation: how to make your auth form seamless and usable
You know, for users the best login is no login at all. But we still need one, and the most popular is...
a-dev
How I Cut AI Video Costs 80%: build Flutter AI lecture video with Ollama
Learn how to build Flutter AI lecture video creators with Ollama and FFmpeg, slashing cloud costs by tackling 3 critical sync challenges head-on.
Umair Bilal
AI Agents Can Ship to Production: A Deployment Case Study
How a single markdown file let an AI agent deploy a Flutter app to App Store and Google Play from terminal — no Xcode, no Play Console, no CI/CD pipeline.
Nucleus OS
Choosing a Vector Database in 2026: pgvector vs. Pinecone vs. Qdrant vs. Weaviate vs. Milvus
Every RAG tutorial pulls the same move. It walks you through embeddings, chunking, retrieval, and...
Arya Koste
7 New JavaScript Features (And 2 I'm Still Waiting For)
Remember how I promised you (or rather myself) two weeks ago that from now on I'd only write light,...
Sylwia Laskowska
Too cheap to be good? Think again.
I replaced aaPanel/OpenLiteSpeed with Caddy and shell scripts and turned the process into a benchmark. Two phases (architecture then code), one external code review. The winning model? Not the one you'd expect.
Pascal CESCATO
Ways Devs Are Plugging LLMs Into Anomaly Detection
Hello, I'm Maneshwar. I'm building git-lrc, a Micro AI code reviewer that runs on every commit. It is...
Athreya aka Maneshwar
An AI Feature Has No "Tests Pass" Moment. So I Write the Eval First.
I was building an "Ask This Book" feature: readers can ask questions about a book while they're...
Vasyl
. .. . ... . .... . .... . ... .
Hello, I'm Maneshwar. I'm building git-lrc, a Micro AI code reviewer that runs on every commit. It is...
Athreya aka Maneshwar
I Built and Shipped a Flutter Community App in 7 Days — Here's Exactly How
Seven days. One developer. Zero shortcuts. FeastFriends is a community app where users answer one...
aarviapps
The Principle of Least AI
Why AI Alternatives Matter AI is prone to problems affecting its output: hallucinations,...
Ingo Steinke, web developer
Shipping one Flutter codebase to 6 platforms: what I learned building Tuneline
I spent the last several months solo-building Tuneline, a cross-platform media player, from a single...
shamir shakir
From Silicon to PWA: My Experience Deploying an Autonomous AI Agent (Hermes) Directly into My Daily Workflow
As an engineer with 20+ years of experience working from the silicon up—programming bare-metal C,...
Yacov drori
Who Here Has Worked with Legacy? The Longer You Wait, the Worse It Gets
I promised myself that starting this week I'd switch to lighter topics. But on Monday, my JSNation...
Sylwia Laskowska
How We Saved Big and Simplified Our Image Pipeline: Adopting bunny.net on DEV
Hey everyone, Ben here. If you’ve been following the journey of DEV and our open source project...
Ben Halpern
We shipped our first Android app
Hey dev community, We're Tezion Studio — a small, young team from Israel (Haifa). We build websites,...
Yakov Levin
React Native vs Flutter: honest take after using both in production
I'm going to say something that will annoy people on both sides: it doesn't matter as much as the...
Jaya PurohitArticles sourced from the developer community on DEV.to