DEV Community • 2026-04-22 13:07

I built a zero-dependency React Native animation library — 14 drop-in components, native driver only.

I got tired of adding Reanimated to every project just to fade in a card. So I built react-native-animation-kit — 14 premium animation components for React Native. Zero dependencies. Every animation runs on the native UI thread. Drop in and go.Works on both Android and iOS out of the box. No platform-specific code, no conditional imports, no native modules. One install covers everything. ...

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DEV Community • 2026-04-22 13:05

When one translation isn't enough: building konid for real language

I was drafting a work email in French last year — intermediate level, good enough to get through tasks, not good enough to know when I sounded stiff. Google Translate gave me one sentence. No indication of whether it was formal, casual, or somewhere in between. I sent it, got a reply that matched my register exactly, and realized I'd accidentally set the tone for the whole relationship as "overly ...

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DEV Community • 2026-04-22 13:05

Toggle Windows Light and Dark Mode with Python

Switching between light and dark mode on Windows usually requires going through the Settings app. This small Python script simplifies the process by letting you toggle the theme instantly. It works by updating system settings directly and notifying Windows to apply the change right away. Purpose This script is designed to make theme switching quick and automatable. It can be useful in ...

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3m read
I was tired of re-explaining my project to Claude every session
DEV Community • 2026-04-22 13:02

I was tired of re-explaining my project to Claude every session

I'd start a new Claude Code session and spend the first ten minutes pasting files. "Here's the API gateway. Here's the user service. The gateway talks to users over HTTP. Users publish to this Kafka topic. The payments service consumes it. The shared types live in this package. Here's the schema." Next day. New session. Same ten minutes. Some days I'd realize halfway through that I'd already ...

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6m read
TON Just Got 10x Faster. Here's What That Means for Your RPC Stack
DEV Community • 2026-04-22 13:01

TON Just Got 10x Faster. Here's What That Means for Your RPC Stack

On April 10th, TON activated Catchain 2.0 on mainnet. Block time dropped from 2.5 seconds to 400 milliseconds. Finality dropped from 10 seconds to approximately one second. Pavel Durov called it step one of seven in a structured upgrade roadmap. Most coverage focused on the speed numbers. This post focuses on something most developers haven't thought about yet: what a 10x performance upgrade does...

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DEV Community • 2026-04-22 13:01

Why AI-Generated Code Works… Until It Doesn’t (A React Reality Check)

Here’s a natural, human-style Dev.to first post aligned with your tags (ai, programming, javascript, react) and your positioning 👇 Why AI-Generated Code Works… Until It Doesn’t (A React Reality Check) AI tools have changed how we write code. You can now spin up a React component, generate API logic, or even scaffold an entire app in minutes. It feels like 80% of the work is done in...

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DEV Community • 2026-04-22 13:00

Why I spent 14 months building a firewall for AI agents

System prompts aren't enough. They are just a polite request for an agent to behave. In production, 'please don't delete the database' is not a security strategy. Today, we are moving SupraWall to a public repository. It's the missing layer for agentic workflows: A hard gate that intercepts every tool call, evaluates it against real-time policy, and injects vault credentials just-in-time. This i...

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I used Claude to debug a UI bug: What actually happened
LogRocket Blog • 2026-04-22 13:00

I used Claude to debug a UI bug: What actually happened

A real-world debugging session using Claude to solve a tricky Next.js UI bug, exploring how AI helps, where it struggles, and what actually fixed the issue. The post I used Claude to debug a UI bug: What actually happened appeared first on LogRocket Blog.

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DEV Community • 2026-04-22 13:00

ATS Red Flags: When Candidates Copy Your Experience Word-for-Word

TL;DR 23% of UK recruiters flagged plagiarised CV content in the past 12 months. Modern enterprise ATS (Workday, Greenhouse, Lever) fingerprint every submission and cross-reference against their entire candidate database. Copying a bullet from a stranger's CV now travels with you across the recruitment network. This post covers the detection mechanisms and the STAR-D framework for writi...

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4m read
DEV Community • 2026-04-22 13:00

"Almost every time" vs "every time": why hooks beat instructions for AI agents

The rule your agent keeps ignoring You write "always run tests before committing" in your CLAUDE.md. Your agent follows it. Mostly. On the third run, it skips the tests. On the fifth run, it runs the wrong test suite. By the eighth run, you find a commit with zero test coverage and a cheerful "all checks passed" in the summary. You add the instruction again, in bold this time. Maybe ca...

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Borrow Checker Wins: Eliminating Races Before They Exist
DEV Community • 2026-04-22 13:00

Borrow Checker Wins: Eliminating Races Before They Exist

How Rust’s compile-time ownership system saves teams millions in debugging costs and prevents security vulnerabilities that traditional… Borrow Checker Wins: Eliminating Races Before They Exist How Rust’s compile-time ownership system saves teams millions in debugging costs and prevents security vulnerabilities that traditional languages catch too late While traditional...

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7m read
Welcome Thread - v374
DEV Community • 2026-04-22 13:00

Welcome Thread - v374

Leave a comment below to introduce yourself! You can talk about what brought you here, what you're learning, or just a fun fact about yourself. Reply to someone's comment, either with a question or just a hello. 👋 Come back next week to greet our new members so you can one day earn our Warm Welcome Badge!

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1m read
I benchmarked my compiled language against Node.js, Go, and Python. 1.34 million requests per second is not a typo.
DEV Community • 2026-04-22 13:00

I benchmarked my compiled language against Node.js, Go, and Python. 1.34 million requests per second is not a typo.

Last week, I published an article about building Doolang, a compiled language I made specifically to eliminate API boilerplate. At the end, I dropped a number: 1.34M RPS. I got the same question in at least a dozen DMs: "Okay but where's the actual proof?" Fair point. Throwing out a benchmark number in a sentence and moving on is exactly the kind of thing that deserves skepticism. So I set up a ...

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The Cloudflare Blog • 2026-04-22 13:00

Making Rust Workers reliable: panic and abort recovery in wasm‑bindgen

Panics in Rust Workers were historically fatal, poisoning the entire instance. By collaborating upstream on the wasm‑bindgen project, Rust Workers now support resilient critical error recovery, including panic unwinding using WebAssembly Exception Handling.

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DEV Community • 2026-04-22 12:58

Extreme AI Programming

For the last eighteen months, most of the code shipped by the team I run has been written by agents. That single fact has slowly reshaped every habit I thought I understood about how software actually gets made, and the gap between what Agile assumed in 1999 and what the work looks like now has become too wide to keep quiet about. There is a harder part beneath that gap, which the industry has be...

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Lobsters • 2026-04-22 12:51

Markdown (2004)

Comments

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Kubernetes Is Not an LLM Security Boundary
DEV Community • 2026-04-22 12:50

Kubernetes Is Not an LLM Security Boundary

The CNCF flagged it three days ago. Most teams haven't processed what it actually means. Kubernetes lacks built-in mechanisms to enforce application-level or semantic controls over AI systems. That's not a bug. It's not a misconfiguration. It's a category error in how we're thinking about AI workload security. Kubernetes isolates containers. It does not isolate decisions. ...

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3m read
Building a coding course generator in public #2: what I learned
DEV Community • 2026-04-22 12:49

Building a coding course generator in public #2: what I learned

Building fast with AI is easy but building something you can actually run, inspect, and trust is harder. This project is my attempt to teach builders core engineering intuitions when building projects. This is the second and closing post in my mini build-in-public series around a coding course generator. The goal was not to polish a hosted SaaS. It was to validate the concept quickly, release the...

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7m read
DEV Community • 2026-04-22 12:47

the model alone is not the agent. The harness plus the model is the agent.

An agentic harness is the orchestration and control layer wrapped around a base language model that transforms it from a stateless text predictor into an agent capable of taking actions, calling tools, maintaining state across steps, and executing multi-step tasks. The model provides raw capability; the harness provides the structure that turns that capability into coordinated behavior. Different ...

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DEV Community • 2026-04-22 12:46

SARIF: The Format That Connects Your AI Auditor to GitHub Code Scanning

You've built a tool that finds security issues. Maybe it's an AI auditor like spectr-ai, maybe it's a custom linter, maybe it's a script that checks for hardcoded secrets. The tool works great locally. But how do you get those findings into GitHub so they show up as annotations on pull requests, in the Security tab, and in code scanning alerts? The answer is SARIF — Static Analysis Results Interc...

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