22259 posts from this source
When Meta announced Muse Spark—its first major model release since Llama 4 nearly a year ago—the benchmarks grabbed most of the attention. The real story, howev...
WebSocket bugs are some of the hardest to debug. The connection may look fine, the server starts without errors, but something isn’t working — and you don’t kno...
Problem Overview Last Tuesday, a “harmless” coding agent in staging opened a PR, fetched secrets from the wrong environment, and kicked off a deploy it was nev...
!Cover image for I Built a Free Smart Contract Scannerhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2...
'The interview felt great. You answered everything. You were confident. Then the rejection email came. Here's what actually happened.
I Built an AI Rental Management Platform for My Brother. Here's What Actually Happened !Cover image for I Built an AI Rental Management Platform for My Brother...
The Pattern I Keep Seeing > A team estimates a feature at 5 story points – low complexity, clear requirements, well‑understood domain. By every estimation fram...
The bill that started it all IONOS sent me a 120 Euro invoice—two domains at 42 Euro each, plus some items I thought I had cancelled months ago. I paid what I...
!System Design Basicshttps://dev-to-uploads.s3.amazonaws.com/uploads/articles/90foitsp39ggnb9icyyi.png Most systems don’t start distributed. They start simple a...
Kotlin 2.4: The Paradigm Shift Every Senior Developer Expected The transition from a language that merely 'handles' dependencies to one that natively integrate...
Positional Encoding for Each Word In the previous article we saw how positional encoding is generated using sine and cosine waves. To assign positional values...
Introduction In March 2026 the npm account of the Axios maintainer was hijacked. With 300 million weekly downloads, a single compromised account exposed a mass...
For updating a counter, Redux requires you to set up a store, reducers, actions, selectors, and maybe middleware. Valtio needs three lines of code. We replaced...
The Real Cost of Business Process Automation > “Every automation project starts with a time‑saving estimate. Rarely does anyone build a full cost model before...
!Cover image for My First Step Into Cloud Computing: What I Learned on Day Onehttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,f...
CRDTs and Local‑First Architecture: How smallstack Handles Offline Conflict Resolution Most web apps treat the network as a prerequisite. No connection? You ge...
The Four Trees of Technological Progress The popular essay “The Four Trees” offers an original lens through which to view technological progress. According to...
The Pattern Andrej Karpathy published a gist called “LLM Wiki” describing a pattern that’s been bouncing around my head for a year. Instead of dumping document...
Introduction The modern web demands more than static content. Users expect intelligent, responsive applications that can process data directly in their browser...
A lot of MCPhttps://modelcontextprotocol.io/ servers I see in the wild look like this: python @mcp.tool async def get_thingid: str: resp = await httpx.getf'htt...
The Question Can you get a better answer by having multiple LLMs collaborate than by just asking one directly? That’s the thesis behind Occursus Benchmarkhttps...
!Cover image for 🔐 From 0 Production-Grade Securityhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fd...
Scalability Overview Scalability is one of the most important goals in modern web development. A web application may work perfectly for a small number of users...
I was building a distributed system — micro‑services, message queues, shared schemas, the works I tried every AI agent I could find: Cursor, Claude Code, Codex...
The Problem AI agents forget everything between sessions. Claude Code uses MEMORY.md files with a 200‑line limit, no search, and no validation. After months of...
This week, across MSP, property management, bookkeeping, and consulting threads, the same complaint appeared in different words. A property management operator...
Beyond broken links, the architecture of Zenzic “The Sentinel” focuses on securing documentation pipelines. Core Philosophy: “Lint the Source, not the Build” Mo...
Background I kept opening Claude Code and wishing it had a real UI. Claude Code is, in my opinion, the best coding agent available right now, but every time I...
The Problem: We Have Visibility, Not Understanding Most AI debugging tools show you everything — except why your system failed. You can see: - LLM calls - Tool...
We built a scanner for European websites and extracted three internal tools that work great as standalone utilities. All are MIT‑licensed, TypeScript‑based, CI‑...
Introduction In JavaScript, a constructor is a special function or method used to create and initialize objects. When you need multiple objects with a similar...
What you’ll build Telegram message received ↓ Security check your ID only ↓ Route by message type voice / text / image ↓ Fetch actual audio file from Telegram...
The old way ships a password with every deploy. Workload Identity Federation makes that the last problem you'll ever have. For a long time, I thought I was doin...
If you try to screen share or record a JioHotstar cricket stream, the video often goes pitch black, while playback controls, the app chrome, and system navigati...
Hey dev.to community! 👋 I've been working on a side project for a while now and finally got it to a point where I feel comfortable sharing it publicly. It's ca...
Stop Rewriting Your Paystack Integration — I Built a Unified Nigerian Fintech SDK If you've built more than one Nigerian fintech product, you've written the sa...
Clinical Note De‑identifier API De‑Identify Clinical Notes Before AI Processing A privacy‑first API for healthcare developers building LLM, analytics, and sear...
!pichttps://media2.dev.to/dynamic/image/width=256,height=,fit=scale-down,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farti...
Overview A double‑feature web app where everything is controlled by shaking or tilting your device: - A music player whose volume can only be changed by shakin...
From the Author D‑MemFS was featured in Python Weekly Issue 737 19 Mar 2026 under Interesting Projects, Tools and Libraries. Being picked up by one of the most...
Summary of previous approaches - Using setdefault - Using defaultdict - Implementing __missing__ Subclassing dict: important nuances - __contains__ does not ca...
Problem Everyone’s shipping agents right now—ReAct, tool‑calling loops, etc. They look great in demos, but the billing dashboard the morning after tells a diff...
Overview This article examines the real costs of self‑hosting OpenAI's Whisper versus using AssemblyAI's managed API. It explores the trade‑offs between infras...
Resumo É um algoritmo de classificação baseado em Dividir e Conquistar que escolhe um elemento como pivô e particiona o array fornecido em torno do pivô escolh...
The Problem with Giant Pull Requests I used to open PRs with 800 lines changed and wonder why my team took two days to review them. As one of the founding engi...
É um algoritmo de classificação baseado em comparação. Ele classifica um array selecionando repetidamente o menor ou maior elemento da porção não classificada e...
DEV April Fools Challenge Submission Project: Semver‑in‑Retrograde – a “dependency‑analysis” tool that delivers executive‑grade reports about a project’s emoti...
There is a strange moment that happens inside every modern AI system, but almost no one ever sees it… Before an AI writes a sentence, answers a question, or sug...
