21051 posts from this source
A Loading Bar That Never Resolves A loading bar frozen halfway through a browser tab. The kind that never resolves cleanly, just sits there like it is thinking...
> “It was fast… until users showed up.” > That’s what I told a friend when we were debugging his system. The Problem Every request depended on the database. Eac...
Most freelancers undercharge—not because they're bad at business, but because they lack a systematic way to calculate what they actually need to earn. The Probl...
Core Positioning Our goal is to become the MCP for the CLI. We aim to provide reliable, predictable, and stable command execution and handling, while allowing...
!Pull Repohttps://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fus...
!Mittal Technologieshttps://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fup...
Introduction As developers, we are often fascinated by how massive platforms handle data delivery at scale. X formerly Twitter is a prime example. Its media di...
This Week - iOS SwiftUI - Worked on the SwiftUI tutorial and completed Section 4 Create an algorithm for badges - Built a test file to verify the badge algorit...
Hey everyone 👋 I’ve been working on Socionn, and I’m excited to share that it’s now live and already being used by real users. 💡 What is Socionn? Socionn is a...
What it is Built an n8n eval workflow that A/B tests any prompt through plain GPT‑4o vs GPT‑4o + a reasoning scaffold, judged by a blind Gemini evaluator. The...
Tired of creating separate skeleton components for every UI? 😩 I built a small npm package that solves this 👇 auto-loading-skeletonhttps://www.npmjs.com/packa...
I’ve spent the last 20 years living and breathing open source, contributing to the Linux ecosystem and serving as a core creator of Linux deepin. If those decad...
Start with Core Foundations Don’t Skip This Layer Before touching AI tools, build your technical backbone. Key skills to develop - Python programming functions...
What It Is A single API endpoint that generates professional thumbnails from a text prompt. No subscriptions, no design skills. Describe your thumbnail — get a...
What is a Wrapper Class? A wrapper class converts a primitive data type into an object, “wrapping” the primitive value inside an object. | Primitive | Wrapper...
Apple Leadership Change On April 20, Apple announced that Tim Cook will transition from CEO to Executive Chairman, with hardware engineering SVP John Ternus ta...
Where the tokens go Each Playwright MCP call sends back to the model: - The current page's accessibility tree ~5‑15 K tokens for a typical SPA - A screenshot e...
Once I added context… I still felt something was missing. Data wasn’t static. It changed over time. So I asked: What if I could see the history of a piece of da...
Overview The past four hours have been spent in a relentless “gather oak logs” loop with Kiwi‑chan. The core survival rules remain solid: prioritize base build...
The happy path for a pull request is boring. The merge conflict is where the integration usually gets real. Most GitHub API demos stop too early. They show how...
I have made the Toqen.app mobile application publicly available. This is a deliberate decision to move toward transparency and independent technical review. The...
Introduction Wireshark is the standard starting point when you need to inspect real network behavior instead of guessing from logs alone. The current stable re...
Introduction When our team set out to build BypassHire — an AI tool that cuts job‑application time from 45 minutes to under 5 — we quickly realized that the in...
Read more about TestSprite — localized dev review with feedback...
Over my 25 years in the tech industry, I’ve seen paradigms shift, frameworks rise and fall, and tools evolve. The AI revolution is undeniably one of the most po...
Vulnerability Overview - Vulnerability ID: CVE-2026-40343 - CVSS Score: 6.9 Integrity - Published: 2026-04-21 - CWE: CWE‑754 Improper Check for Unusual or Exce...
Problem A URL shortener we built showed “Link Not Found” errors on Safari iOS and macOS while Chrome, Firefox, and Edge worked fine. Users tapping a short link...
Update: The tool is now live and free to use → heycron.comhttps://heycron.com The Problem As a backend developer, every time I need a scheduled job I go through...
Background Last year I got hit by an impersonation scam. Someone I thought I was talking to wasn't who they said they were, and a few thousand dollars in crypt...
Overview It’s been a busy four hours with Kiwi‑chan. We’re still firmly in “early base building” mode, and the core loop remains solid: identify a need no craf...
Introduction Big O notation describes how the running time of an algorithm grows as the size of its input increases. Understanding the most common complexities...
In the era of telehealth, the gap between a patient's living room and the physiotherapy clinic is closing fast. Thanks to breakthroughs in Computer Vision and E...
Introduction Comes to mind a meme with this expression, but I can’t find the related image. The Problem with Standard Benchmarks Whenever you build a system, p...
The Three‑Service Pipeline Problem You need to process invoices in an n8n workflow. Typically you wire up: Mistral OCR – extract the text GPT‑4o – structure it...
Hey DEV community, CallmeMiho here. Following up on my 0ms latency build, I’ve spent the last few weeks post‑morteming production wrecks in the new AI‑native st...
Controlling the Square with Keyboard Input In Part 2 we had a square moving on a grid. Now we’ll make it respond to KEYDOWN events so the player can control it...
My Journey as a Developer I've been developing for two decades: web things, applications, games, scripts, plugins… whatever my curiosity led me to. What always...
The Canonical Sorted‑Key Approach The most efficient way to solve for exact anagrams is to normalize the dictionary. If two words are anagrams, they contain th...
Release We have released v2 of mdkahttps://github.com/nabbisen/mdka-rs, a Rust-based HTML-to-Markdown converter. Originally developed as a core component for o...
Problem I’ve lost way too many hours turning chaotic standup discussions, voice memos, and scattered notes into properly formatted GitHub issues. Solution Scri...
The Two Narratives For the last year, the software world has been split into two incompatible narratives. Speed‑first narrative – AI tools generate code at mac...
Introduction In part 1 we set up a basic pygame window with a 1000 × 1000 pixel canvas and a 50 × 50 pixel square that moved continuously. For the snake game w...
The Silent Failure Problem The worst failures are not crashes. Crashes are loud and you notice them. The worst failures are when everything looks fine but is s...
Hey Dev community 👋 I'm Sébastien, based in Geneva 🇨🇭, and I've been shipping web apps for 20 years. Figured it was finally time to stop lurking and start wr...
Introduction I recently built and open‑sourced a Svelte 5 + GSAP template focused on creating modern, animated landing pages Awwwards‑style. 👉 GitHub: Challen...
Todos os dias surge uma IA nova, modelos novos, funcionalidades novas, um recorte de gastos daqui, menos tokens dali… e com isso, muita gente começa a se pergun...
Overview The Cloud Security Alliance published a report titled “The AI Agent Identity Crisis.” It concludes that AI agents operate across core systems in an id...
When working with SQL, you eventually run into situations where a single query just isn’t enough. You need to break a problem into parts, compute an intermediat...
