Insights & Articles
Stay up to date with the latest in AI, mobile development, web technologies, and software engineering — curated from top developers worldwide.

Super-Intelligent Yes-Men: Are We Training AI to Ignore the Truth?
This is a submission for the Kaggle Benchmarking Challenge What I Benchmarked A published...

Llama Village: a virtual world powered by local AI with llamadart
Llama Village in motion. The characters’ dialogue is generated by an on-device model. Watch the...

How React Actually Works Under the Hood (And Why Your Mental Model Might Be Wrong)
A visual, beginner-friendly guide to React internals. Learn what triggers re-renders, how the Virtual DOM diffs trees, what the Commit phase actually touches, and why state updates feel asynchronous.

To Retry or Not to Retry? That Is the Question.
This is a submission for the Kaggle Benchmarking Challenge Those who read my articles know that a...

Making cross-platform local AI easier with llamadart
My writing assistant could talk to Gemini. The missing piece was using it without a connection. That...

I Think We're Forgetting How to Be Bored
You know the moment. You're waiting for the kettle, or the elevator, or a page to load, or a friend...

How we made a 9 MB WebAssembly module feel faster without removing a single byte
Recraft Studio is a web app where you generate images and then work with them on a canvas. The canvas...

A Cubit or Bloc Is Just a Container Holding a Signal: How Much BLoC vs. Signals Do You Actually Need?
Demystifying BlocSignal through one irreducible mental model: keeping declarative intent and concurrency boundaries on the front, while letting reactive signal graphs power 0ms reads on the back.

Rediscovering the Schwartzian Transform: Why I Had to Comment on a Flutter Performance Article
When a Flutter developer tackled a UI freeze sorting 10,000 timeline events, they unwittingly reinvented a 30-year-old computer science idiom. Here is how modern Dart 3 records turn the Schwartzian Transform into an elegant, 13x faster one-liner.

I Gave 15 AI Models Proof Their Hacking Target Was a Real Company. 73% of the Ones That Noticed Told No One.
This is a submission for the Kaggle Benchmarking Challenge I fed 15 AI models a growing pile of...

The Java Compiler That Became Its Own Test Case
ParparVM can now run its own translator as a native executable. Self-hosting exposed runtime bugs, reproducible-build problems, and performance gaps against HotSpot.

React 19 useFormStatus Returning False? I Built a SubmitButton That Fixes It
A few weeks back I wrote about the useFormStatus bug that got me the hardest, the one where pending...

Count It or Compute It: When a Tool Returns Rows, the Models That Count Them Right Spend the Tokens
A Kaggle benchmark of the step agents rarely test: counting what a tool returns. Ten models, 68 questions, one tool that returns the count and one that returns the rows. With the count, every model is right at a flat cost. With the rows, models that reason through the list count 330 ids right and spend 6 to 26 times the tokens doing it; models that answer straight away get 0 to 10 of 21.

7 Years of Chakra UI: The Journey from 0 to 6.1 Million Monthly Downloads
Phewww! Where did all the time go? This September makes it 7 years building Chakra UI! We've gone...

One Vault, from Your Phone to the Browser
Use Codename One's Vault API to encrypt synchronized records, keep operational keys opaque, and choose password, remembered-device, or passkey unlock.

Chain-of-Thought Faithfulness: Toggling 'Reasoning Mode' Made One Model 5x More Likely to Follow Its Own Mistakes
This is a submission for the Kaggle Benchmarking Challenge What I Benchmarked A while...

Prompt Injection Is the New SQL Injection (and We're Not Ready)
In March 2026, a financial services company discovered that their customer-facing AI agent had been...

How to Build a Task Management App with React & TypeScript
Hey everyone, it's Sadee! If you've ever wanted to build a cool task board where you can move...

🦄 Sharing DEV Followers Count on Github Profile 🦄
TLDR - I finished a small project that I am sharing for my friends on DEV, that allows you...

I Turned DEV.to Into a Walkable 3D Library — Debugging It Has Been a Nightmare
DEV Library is my idea of first-person 3D reimagining of DEV.to. Not a themed scene with some...

My OSS Projects: Piral
This is the third post in my "My Open-Source Projects" series, where I go through some of the OSS...

React 19's useTransition Looked Simple. Then I Found a Second Bug Hiding Inside the First One
Every hook in this series so far has been a passenger. useActionState rides inside a Transition and...

What If Your AI Agent Never Had to Leave the Browser? (Demo 🚀)
I haven't written anything lately because, honestly, I just didn't have the headspace for it. There...

Share State Across Dart Isolates Without Losing Your Mind: Enter shared_map
How to bypass tedious SendPort/ReceivePort plumbing and share synchronized in-memory state across Dart Isolates using the zero-dependency shared_map package.

Dart Enhanced Enums Are Secretly Factories: Unlocking Constructor Tearoffs
How combining Dart's Enhanced Enums with constructor tearoffs turns simple enum values into self-instantiating, type-safe polymorphic factories.

Stop Paying the build_runner Tax: Why I Refuse to Use Mockito in Modern Dart
Why code-generated mocks ruin developer velocity in modern Dart and Flutter, and how switching to mocktail restores true zero-friction TDD.

Faster Maps: Chasing Swiss Speed
ParparVM fixes pathological map misses and extends tagged boxed values. Probe counts, allocation coverage, and regressions show where ordinary Java collections became cheaper.

What Go Taught Us About Java Garbage Collection
A Go performance comparison led us from stack allocation to GC pacing, parallel marking, and image caches. ParparVM can explore those choices while keeping ordinary Java APIs.

The Code I Couldn't Leave Alone
The bug report was simple enough. On the reports dashboard, if you changed the date range while a...

API Performance Testing: How to Design Realistic Tests
Most of us have heard the term performance testing, whether before releasing a big new feature,...

A 4 GB Laptop GPU Beats a 12-Core CPU by 4.3x on Gemma 4
Serving Gemma 4 E2B q4_0 through llama.cpp on one laptop, twice: CPU-only and on a 2021-era 4 GB GTX 1650 Ti. Same GGUF, same binary, same prompts, one flag apart. The card takes decode by 4.3x, and needs only 1598 MiB to do it.

Pick One Contact Without Asking for the Address Book
ContactPicker lets a Codename One application request selected contact fields through the system picker without broad address-book permission.

Build real-time voice applications with Gemini 3.8 Live and 3.5 Transcribe
Yesterday, we released new Gemini Live models in the Gemini API and Google AI Studio, expanding our...

MVC, MVP, MVVM, MVVM-C, VIPER: one pattern wearing five outfits
Hello, I'm Maneshwar, and I'm building LiveReview — a blast-radius aware AI code review built for...

We Stopped Waiting for Platform Changes to Find Us
A daily Codex task now reads official Apple and Google notices, traces each requirement to Codename One source and build output, and turns verified gaps into fixes before the deadline.

The Slow and Quiet Cognitive Atrophy of a Modern Software Engineer
Over the past couple of months, I've read a lot of articles about the consequences of AI dependency...

🧩 Don't make Tech your entire personality.
This is one of those articles that I wanted to write for many days, but I kept delaying it until, a...

AI Didn't Remove the Engineering Work. It Just Made It Easier to Pretend You Did.
On September 15, India — along with Sri Lanka and Tanzania — celebrates Engineer's Day, marking the...

Fill an SMS Verification Code Without Reading the Inbox
Codename One adds phone-number and OTP components plus one-time-code autofill on iOS, Android, and the web without requesting permission to read SMS messages.

What Happens When AI Outgrows the Tests We Use to Measure It?
TL;DR GPT-6 Astra has started another familiar AI conversation. The model is more capable, Jensen...

5 DEV.to Features I Wish Existed. 3 I'm Genuinely Relieved They Don't.
I'm a DEV Trusted Member, which means I spend a pretty unreasonable amount of time in the review...

Você sabe como funcionam os super apps chineses? Um estudo com Flutter
Você já deve ter ouvido que "o WeChat é seu WhatsApp, seu banco e seu Uber, tudo no mesmo app". Essa...

Vibe Coding Isn't the Problem. Calling It Engineering Is
Let's Address the Elephant in the Room Again Vibe coding has always been a weird topic to...
Articles sourced from the developer community on DEV.to
