21092 posts from this source
The problem Instruments such as POEMAS https://www.macksun.org/pages/wiki/arquivos-telescopios.htmlhttps://www.macksun.org/pages/wiki/arquivos-telescopios.html...
The Problem: 100‑250 ms Middleware Tax Our Node.js Express backend had a dirty secret: before any route handler ran, the middleware stack consumed 100‑250 ms....
The Flow Stripe Checkout → Webhook → Atlas listener → File delivery → Email receipt Total time: ~28 seconds on average. Step 1: Stripe Webhook We listen to che...
Six months ago I started paying attention to how developers talk about AI agents they've built and shipped. Something came up again and again. They'd describe w...
Introduction First post here! I was having issues over at https://thatorjohn.hashnode.dev, so it’s time for a change. Problem You know what you can’t easily fi...
Survey I'm building an open‑source reference called AI Oversight Patterns, a catalog of software patterns for keeping humans in control of AI agents e.g., appr...
Claude Mythos Cybersecurity Model Claude Mythos is available as a gated research preview on Amazon Bedrock. Access is limited to “allowlisted organizations” th...
Recap of the Series - Learned Terraform fundamentals - Built reusable modules - Managed remote state - Designed a production‑ready structure - Compared workspa...
The Kubernetes Monitoring Maze Kubernetes gives you a thousand metrics out of the box. Most teams monitor all of them and understand none of them. After runnin...
Authentication & Rate Limiting - No rate limiting on register/login routes → added IP‑based limiting. Authorization - Missing auth middleware on several API en...
When I started building SolBundler, the main problem I wanted to solve was simple: sniper bots were destroying pump.fun launches. The moment a token goes live,...
Zapier is powerful. A single Zap can create leads, update CRM records, send emails, and sync data across dozens of apps. But what happens when a Zap does someth...
!CVE Reportshttps://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%2F...
Overview A greedy algorithm is a problem‑solving strategy that builds a solution piece by piece, always choosing the option that looks best right now without c...
I've been paying $200 / month for Claude Code Max since January—unlimited use, never really thought about the actual cost. Last week someone on r/ClaudeAI menti...
Introdução Este ano, decidi finalmente iniciar um projeto que estava engavetado há muito tempo: uma série de conteúdos sobre conceitos fundamentais para entrev...
Introduction The acquisition signals that agent quality is no longer judged only by fluency – it is judged by whether organisations can test, document, and gov...
Most language posts sell syntax. Arden is a native systems language built around the feedback‑loop speed: - Native output via LLVM - Strict static checks types,...
Problem Given the root of a binary tree, return the bottom‑up level order traversal of its nodes' values i.e., from left to right, level by level from leaf to...
A few months ago I was building a fitness app and needed a good exercise API. ExerciseDB was the obvious choice — but it routes through RapidAPI, so I built my...
Introduction How a networking student ended up writing Rust, beating an industry‑standard compression algorithm, and learning more about computers than any cla...
Today I learned a hard lesson about the true cost of quick fixes in code. While debugging a production issue, I discovered that a seemingly innocent “temporary”...
Why frontend used to feel complex - Many distinct parts - Each layer had a clear responsibility - Boundaries were easy to identify What changed in modern front...
Overview I read an article about Byzantine fault tolerance last week. Three paragraphs in, I hit “quorum‑based consensus” — a phrase I could gesture at but not...
Background I'm building RunHop in public, a social + event platform for running races. Today I worked on the Reactions module: likes on posts. The module itsel...
The Alert Fatigue Problem Cloud systems generate massive amounts of data. Every Lambda invocation, RDS query, or API Gateway call creates a metric. When teams...
Overview Magento / Adobe Commerce scope inheritance is powerful, but in day‑to‑day admin workflows lower‑scope overrides are easy to miss. Teams often save val...
js try { const accessGranted = testSilentDoordoor updateStatusPanel!accessGranted } finally { hallwayInUse.current = false } The “missing catch” feeling Seeing...
What is a Callback Function? A callback function is a function that is passed as an argument to another function and is executed later. Simple Definition “A fu...
!Cover image for Your payment model is probably lying to youhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3...
The Problem If you run an AI system 24/7 for 14 months—checking email, maintaining emotional states, producing creative work—does it develop something that loo...
Project Overview Reel Quick – a stack built with FastAPI, Next.js, ARQ, MongoDB, Redis, and optional GPU workers. The goal was to containerize the entire stack...
Introduction Chat platforms have evolved far beyond simple messaging tools. They are increasingly treated as notification sinks and, more importantly, as syste...
Context When I first opened TOGAF, I got stuck on a basic problem — there's no clear starting point. Every section references another. Every process assumes a...
What are Utility Types in TypeScript? Utility types in TypeScript are built‑in generic types that help transform or construct new types based on existing ones....
!Cover image for PowerShell: Get Info About Any Commandhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%...
Hello, I am going to be pausing my 100 day python challenge to start learning about cyber security as that is the field that has interested me for months and I...
Partial function application php function aint $one, int $two { return $one + $two; } function addFiveint $one { return a$one, 5; } // or $addFive = fnint $one...
Introduction A typical 42U server rack with a 10 kW IT load generates enough heat to warm a 1,500 ft² home in winter—yet many engineers treat cooling calculati...
Bad Code vs. Expensive Code Bad code is obvious. You see it in the review, fix it, and move on. Expensive code looks fine, passes the review, ships, and then c...
Introduction I know—another one. But hear me out: the reason I built SynapseKit is specific, and it might be the same reason you've been frustrated too. Why Ex...
Introduction Midnight is a data‑protection blockchain that uses zero‑knowledge proofs ZKPs to enable private transactions. At the heart of this system are two...
AI agents aren't coming for your job. They're coming for your repetitive, high‑volume work — and the teams that figured out how to work with them are already 10...
Early AI Assistance Software engineering hasn’t just evolved. It has accelerated. In the last couple of years, the way we build software has changed more than...
Introduction I recently implemented a liquid glass lens post‑processing effect in react-canvas with three goals: - A clear magnification feel at the lens cente...
Introduction 500K+ AI agent wallets exist on x402. Stripe launched machine payment protocols. Google announced AP2. The infrastructure for autonomous AI commer...
!Cover image for CSS Animation Timing Functions: easing, cubic-bezier & Morehttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,for...
The Problem Most code quality tools count lines and cyclomatic complexity. That's useful, but it misses the deeper problems: architectural drift, knowledge sil...
