22259 posts from this source
Database Connection Pooling: Why Your App Crashes Under Load 100 concurrent users. 100 database connections. PostgreSQL default max_connections is 100. Connecti...
You have logs. You have metrics. A request enters your system through the API gateway, hops across five services, and fails somewhere deep in the order processi...
Water quality testing normally takes between 24 and 48 hours. Most IoT tutorials go this far: Sending a temperature reading Displaying it on a dashboard They do...
PersonaOps A Voice-to-Data Intelligence System Powered by Notion MCP Technical Whitepaper | Version 1.0 | 2026 For Engineers, AI System Designers, and Technical...
Build a Local AI-Powered Git Commit Message Generator in 30 Minutes Tired of writing 'fixed stuff' or 'updates' in your commit messages? This weekend, let's bui...
I was paying ₹650/month for Google One's 2TB plan. That's ₹6,500 a year — for storage I don't own, on servers I don't control, where my photos could be used to...
We have all been there: you have five minutes to kill between tasks, you search for a quick game, and you are immediately met with a 30-second unskippable ad, a...
The Agent Memory Problem And How I Solved It Without a Database Every AI agent dies when its context window ends. That's the dirty secret behind most 'autonomou...
The Message That Started It All It was early on a Monday morning when a message appeared in a patient portal: 'I've had sharp lower back pain for 3 days. Should...
The promise of AI coding agents is real. So is the management mess. If you've spent time with Claude Code, you probably know this feeling. You kick off an agent...
Large Language Models LLMs are quickly becoming a new interface layer for interacting with data. Instead of dashboards or SQL queries, users now ask questions i...
The Nightmare Scenario: $274 in 5 Minutes Imagine waking up to a notification from your hosting provider. Not a 'New User' alert, but a billing alert. In just f...
Thinking back to my first real frontend job still stings. I wasn't a total coding newbie—I had a CS degree and plenty of full-stack school projects. But profess...
Disclaimer: I am not a professional software engineer nor a computer science student. This is more of what I understand about variables in JavaScript from what...
Every few decades, a technological shift fundamentally alters the “barrier to entry” for human knowledge. The calculator didn’t kill mathematics, but it changed...
Linux stands out as a usefool tool in data engineering because of it's unique features: the Command Line interface CLI, Compatibility with most Data Tools, Secu...
Last Tuesday I was deep in a refactor the kind where you've got six files open and you're holding the entire dependency graph in your head. Then Slack pings. 'H...
An incident recently occurred when a French sailor on the only nuclear-powered aircraft carrier jogged, tracked his path with Strava, and set his profile to pub...
Modern GitOps workflows aim to keep your Kubernetes cluster fully synchronized with what is defined in Git. One powerful feature of Flux is Image Automation, wh...
This article was originally published on BuildZn. We’ve all been there: staring at a codebase, needing to implement a small feature, refactor a troublesome func...
Problem Running: flux reconcile image update flux-system Result: failed to update source: failed to push to remote ERROR: The key you are authenticating with ha...
Over the past few months, I have been experimenting with AI coding tools, not just simple assistants but full AI agents that can plan, write, test, and even dep...
If you're learning Angular or preparing for interviews, remembering everything can feel overwhelming. So here’s a simple, quick, and practical Angular Cheat She...
For a long time, technical careers followed a predictable path. Learn a language. It was a linear progression. Step by step. That model is breaking down. Not be...
Visualize Temperature & Humidity with Raspberry Pi Pico W × DHT11 — Build an IoT Prototype with Miniviz Japanese: devto_pico_temphumi.ja.md This guide walks thr...
First, just try it. Ego Clicker — a browser clicker game about growing your following as an influencer. 🔗 Play: https://egoclicker.com https://yuma-0501.itch.i...
Why I Track My Spending With Manual Entry And Why You Should Too The counterintuitive case for friction in personal finance There's a productivity trend I've be...
Email DNS Records Demystified: A Complete Setup Guide Setting up email for a custom domain requires configuring several DNS records. For many organizations, thi...
A single GPT-4 API call costs roughly $0.03. Run 10,000 queries a day for six months, and you're looking at over $50,000. A fine-tuned small language model runn...
How to Run Ollama on Mac Mini: A Complete Local AI Setup Guide If you've been looking into how to run Ollama on Mac Mini, you've probably already figured out th...
How a Single IntelliJ Plugin Cut Our Code Review Rework by 60% — A 6-Month Honest Review I'm a backend engineer on a team of eight. We build microservices in Sp...
Modern JavaScript applications don’t just render UI anymore. They orchestrate search, personalization, analytics, AI services, localization workflows, and multi...
In the world of IoT and home automation, where devices are increasingly interconnected, the demand for robust, privacy-focused, and locally controlled solutions...
Hey folks! 👋 wan2-7.io, and I wanted to share the exact tech stack and architecture I used to bring it to life without breaking the bank. If you are looking to...
If you’ve ever Googled “which cloud data warehouse should I use” and ended up more confused than when you started — this post is for you. Snowflake, Redshift, a...
Hey! I'm Roi, and I run a small software studio called RoiSoftStudio out of Spain. I've been building stuff on the web for a while now — some of it useful, some...
The Agent Loop The entire AI agent stack in 60 lines of Python. You've seen Claude search files, read them, then search again. ChatGPT with Code Interpreter wri...
The agent that does everything is lying to you Everyone builds one agent. One prompt. One context window. One model doing everything. It works great — until it...
Making Tax Digital for Income Tax goes live in 16 days 6 April 2026. HMRC's official guidance is 40+ pages of PDF. Not helpful when you're a freelancer who just...
Why Robust SMS Verification is a Strategic Priority for London's Business Leaders In London's fast-paced digital economy, where competition is fierce and London...
Playwright reports in CI are painful to navigate — so I built a dashboard to fix it 🚀 I got tired of digging through CI artifacts just to understand test failu...
BitchX is Back If you were on IRC in the late 90s or early 2000s, you know BitchX. It was THE terminal IRC client. The ASCII art splash screen. The split window...
TL;DR Install and write a model class. Use useModel to create/subscribe in React. Use provide for shared instances. pnpm add @e7w/easy-model class TodoModel { i...
AI agents are everywhere. They trade crypto, analyze data, monitor markets, write code. But there's a fundamental problem: agents can't pay for things. When you...
Most of the time when I’m working in the terminal, I’m navigating files. Usually that looks like some combination of: cd ls find grep Which works fine… until a...
In recent years, terms like 'spec-driven development' and 'prompt have gained popularity alongside the rise of AI-assisted At the heart of software development...
Mapping AI Cognition with the Dao-Fa-Shu-Qi Hierarchy Note: This article’s core ideas and experimental framework are original to my independent exploration of A...
That's the output of a pytest test running against a simulated 10 kWh battery — 20 minutes of physics, 0.30 seconds of wall clock time. In Part 1 I explained wh...
