21092 posts from this source
A minor backend change caused a production outage, high CPU usage, and API failures. Here’s how it happened, what we missed, and how we fixed it. The Incident -...
!Cover image for Profling Claude Converstaionshttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-...
'What's included | Package | What it does | |
> “The most dangerous phrase in the language is ‘We've always done it this way.’” — Grace Hopper PHP is one of the last major languages that still lacks built‑i...
Hi everyone, I recently completed the 2026 Goldman Sachs Coding Interview. The interview mainly focuses on real coding ability, data‑structure design, and probl...
What it does - B+ Tree indexing on id and age fields - Hash indexes for fast exact lookups - WAL‑style crash recovery with CSV snapshot replay - A native deskt...
Introduction I built a free website‑health scanner that checks for broken assets, SSL issues, missing security headers, and more. In just 20 seconds you can ge...
What I Built I built Email Drafter, a small web app that turns structured user input into a polished email draft using a multi‑agent workflow. The app collects...
Overview Anthropic released Claude Opus 4.7 on April 16 2026. The model shows strong gains on coding benchmarks, a major vision upgrade, and several breaking A...
Introduction When I first built Decoded, the goal was simple: make data structures and algorithms easier to understand through step‑by‑step visual thinking ins...
tRPC v11 + Next.js App Router – No‑Ceremony Setup I spent two days last year fighting tRPC v10 with the Next.js App Router. Every tutorial was either for the P...
Overview We’re excited to kick off another DEV Weekend Challenge—a short, bite‑sized challenge designed to fit into your weekend. The submission window is tigh...
Overview The entire 7onic design system runs on a single JSON file figma‑tokens.json that is 1,847 lines long. It stores colors as hex values e.g., 6B21A8, spa...
Introduction I added voice‑based AI chat and persistent conversation history to my personal app “自分株式会社” Jibun Kabushiki Kaisha. - Web Speech API browser‑nativ...
I tracked every Manus AI task for 30 days. Here’s what I found about credit usage and optimization. Task Categorization | Category | % of Tasks | Avg Credits |...
!Cover image for Coding Cat Oran Ep4, Speaking Humanhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fd...
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The Model Context Protocol MCP ecosystem is growing fast. Thousands of servers now expose tools that AI agents can call — calculators, databases, search engines...
!Cover image for I built a Bitbucket CLI — and it convinced me CLIs beat MCP servers for AI agentshttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=...
Introduction Implementing security at the method level is crucial for protecting sensitive data and ensuring that users can only access authorized resources. W...
I’ve been building AI agents at work and kept running into the same problem: every framework lets agents call any registered tool with zero safety checks. An ag...
Every Interaction with an AI Starts from Zero You open a new conversation, paste your system prompt, explain your context, get part‑way through something usefu...
Introduction I’m back after a long hiatus, this time focusing on job searching and revisiting recent CVEs. One common source of vulnerabilities is string inter...
Descripción gatonaranja es un bot de Telegram para descargar videos de YouTube. Encuéntralo en Telegram: @gatonaranjabot Código fuente: Funcionalidades - Video...
I'm the solo dev at Moss Piglet, a bootstrapped public‑benefit company. I've been building Metamorphic — a habit and self‑improvement tracker where all personal...
Introduction Little's Law is a simple formula that connects the number of items in a system, the arrival rate, and the average time an item spends in the syste...
!Cover image for gh skill: GitHub's New CLI Command Turns Agent Skills Into Installable Packageshttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=co...
The Trap Nobody Talks About Some odd kind of lazy creeps in once AI code assistants enter the scene—worse than just grabbing stuff from Stack Overflow ever was...
The Problem With Traditional Fraud Detection Most legacy fraud systems were built around: - Static rule engines - Batch processing - Post‑transaction analysis...
Why Puppeteer causes deployment pain Puppeteer bundles a full Chromium binary. On Linux that binary is around 300 MB after extraction. This creates three compo...
!Cover image for Understanding Transformers Part 8: Shared Weights in Self-Attentionhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=...
I’ve applied to Outreachy twice before this round. Both times, I didn’t get in. By my third application, I had stopped expecting anything. I just told myself I...
Why Horse Racing? Horse racing data is rich, structured, and updated daily — a perfect playground for building an automated AI prediction pipeline. I built one...
!Forge IL milestonehttps://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazona...
Generative AI vs Agentic AI From Content Creation to Autonomous Action As we move beyond AWS DeepRacer and the “AWS AI League,” the shift from model‑ML design...
Wired up an SMS‑to‑Notion pipeline today. Twilio ingests the message, Make orchestrates, a small PHP endpoint handles file uploads, and structured records land...
Why Build This Amazon just launched “Rufus Buy for Me” — an AI that browses and purchases for you. The counter‑move for a personal‑finance app? Make the AI wor...
Devlog: Kiwi-chan's Great Oak Adventure – Or, How My LLM Became a Lumberjack Again! Hey tech enthusiasts and fellow pixel pioneers! It's another glorious day i...
Problem Overview When we pushed our microservice architecture to handle 10× traffic, the first sign of trouble was an intermittent 502 error that only appeared...
What’s the deal with flat‑looking CSS transitions? The default ease timing function works, but it’s generic. Real‑world motion has character—it bounces, oversho...
!Cover image for I built an open source tab suspender after The Great Suspender got removed for malwarehttps://media2.dev.to/dynamic/image/width=1000,height=420...
!Cover image for The 'Privacy-First' Mirage: Why Your Analytics Hash is Still Fingerprintinghttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,...
!Explorer drawing their own map with cartography tools, symbolizing building your own Spec-Driven Development path.https://media2.dev.to/dynamic/image/width=800...
How Machine Learning Helps Machine learning systems identify patterns in large datasets using statistical algorithms. They categorize, classify, and predict ou...
Most workflow libraries require you to run an additional service. Celery needs Redis, Temporal needs its own server, and so on. Gravtory leverages the database...
Overview LLM agents excel in the moment but are amnesiac by design. Mnemostroma is a local daemon that sits between you and your agents, silently watching conv...
The Setup I'm building a Flutter Web + Supabase app called Jibun Inc. — an AI life‑management hub that absorbs the features of 21 competitors Notion, Evernote,...
We recently helped a recruiting agency debug a painful problem: their ATS was silently rejecting nearly half the resumes coming through their pipeline. The cand...
