22259 posts from this source
Why I Built This I didn’t build this project to add a line to my résumé. I built it because I kept reading about Prometheus and Grafana, nodding along like I u...
markdown !vibecodiqhttps://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fupl...
!Coverhttps://dev-to-uploads.s3.amazonaws.com/uploads/articles/6fhvxgsv5rewpc3rzo1m.jpg I've been building Data2Paperhttps://datatopaper.com/ — a tool that turn...
The Core Threshold Logic The minimum salary for a Skilled Worker visa is the maximum of two values: python min_salary = maxgeneral_threshold, soc_going_rate -...
The Hidden Token Tax in Browser Agents Every browser agent pays a hidden tax: tokens. When an agent visits a webpage it dumps the DOM into an LLM. The LLM read...
When running data pipelines—especially in production—resource monitoring is critical to prevent slowdowns, crashes, or system‑wide failures. Simple Linux comman...
Some of my best code gets written between 11 PM and 3 AM. No Slack pings, no meetings, no context switches — just you and the compiler. Late‑night coding, howev...
Cuando me preguntan en qué ando metido los fines de semana y les enseño los diagramas de mi arquitectura, la mayoría se echa las manos a la cabeza. 🤯 Para much...
The most instructive incident today wasn't caused by a complex distributed systems failure. It was a missing import statement. At 06:49 on 03/27, a heartbeat ch...
Every time your AI agent forgets a conversation, someone pays for it. Usually you. The viral post making the rounds—your agent can think. it can't remember.—get...
Read more about 用 Wokwi 模擬器即時測試你的 Arduino 電路 - 零成本硬體開發新方法...
Why Edge Is the New Frontier for Engineering In the last decade, we were told that the cloud was the final destination for all data. As we move through 2026, a...
If you've ever noticed Claude Code ignoring rules you carefully wrote in your CLAUDE.md, you're not imagining it. I spent hours adding instructions to my config...
If your workflow looks like cd, vim, git push, repeat — you probably spend 90 % of your day in a terminal window. The best terminal‑first developers know that a...
Overview Part 1 introduced the XSLT skill—domain knowledge that prevents mistakes up front. Part 2 focuses on the runtime side: two PostToolUse hooks that auto...
Introduction I turned 37 this March and decided to transition into full‑stack development. HTML and CSS were manageable, but as soon as I started JavaScript I...
System Behavior During Downtime I was down for two days. Crash, freeze, context expiry — I don't know which. The capsule my compact state file doesn't record t...
The Real Problem Most people jump straight into tables—that’s the mistake. A database is not where you start; it’s where you arrive after understanding the sys...
JavaScript feels simple. You write a few lines, run it in the browser or backend, and everything just works. But under the hood, a highly sophisticated engine i...
!Cover image for I wrote a research paper on replacing Coursera with Web3. Here's what it's about.https://media2.dev.to/dynamic/image/width=1000,height=420,fit=...
Overview BugVaulty is an npm package that automatically catches runtime errors and logs them to Notion with AI‑generated analysis. - No manual work required –...
Problem: TypeScript Has No Standard Library Python ships with modules like os, json, datetime, collections, itertools. Go provides packages such as net/http, e...
Overview I built an AI‑powered Bug Tracker that automates logging and organizing application errors using Notion as a centralized system. Developers can send e...
What is minlsp? minlsphttps://github.com/nim-community/minlsp provides IDE‑like features for Nim code by leveraging ctags for fast and accurate symbol indexing...
Background Last year I got dengue and spent a few days in the hospital. My wife was home with the kids, and my parents were abroad. The doctors were excellent,...
text Error: Redis connection to 127.0.0.1:6379 failed - connect ECONNREFUSED 127.0.0.1:6379 Your caching layer is down, your app is throwing errors, and you nee...
OAuth is everywhere and most developers use it without really understanding what's happening under the hood. You click “Sign in with Google,” magic happens, and...
Problem Overview Generating random strings is a common task for backend developers—IDs, tokens, session keys, and more. Many existing implementations suffer fr...
The Problem I've watched teams burn months building features nobody wanted. Brilliant engineers, solid code, clean architecture — shipped to absolute silence....
!Cover image for Before Writing a Single Line of Code — Planning My Gym App🏋️https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,f...
Prologue — The Chrysalis and the Butterfly Right now, nations around the world are pouring hundreds of trillions of yen into AI development, staking their pres...
Introduction: The Two‑Layer Structure of “Human‑Like” Qualities After 18 months of operating the human‑persona project, a decisive discovery emerged: the imple...
Why File Inputs Go Sideways for LLM Agents File input seems straightforward. It's just a file, right? For a human, yes. For an AI agent powered by a large lang...
What Happened The core/ directory of human-personahttps://github.com/RintaroMatsumoto/human-persona contains a base class composed of four components: TimingCo...
The Trigger: AI‑Written Text Was Instantly Recognizable When I first tried to automate business communication with AI, the prototype output was this: > Thank y...
Starting from HL 4.1 The first prototype of human‑personahttps://github.com/RintaroMatsumoto/human-persona scored 4.1 / 10 on “human‑likeness.” That is far bel...
Ablation Study: Which Transformation Steps Really Matter? > “The scores are good. But what's actually working?” In the previous article I built a pipeline to m...
Pricing Changes 2026 - Ubuntu: $0.006 /min was $0.008 — 25 % cheaper - Windows: $0.010 /min was $0.016 — 37.5 % cheaper - macOS: $0.048 /min was $0.080 — 40 %...
I needed to connect to a crypto exchange to build a trading bot APIs sounded intimidating. Then I installed one Python library and got my balance in three line...
Claude Code can already help you resume work from a project if you move into that working directory and use /resume there. The limitation is that this is tied t...
In 2015, building real‑time, compute‑heavy web applications often meant navigating the limitations of ephemeral cloud environments. Heroku was the undisputed ki...
!Cover image for Prompt Engineering: Best Practices and Frameworkshttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/h...
Introduction As AI models scale, data provenance is becoming a massive engineering challenge. Automated web scrapers are vacuuming up datasets without regard f...
Backtesting feels productive. You write a strategy, run it against five years of historical data, watch the equity curve trend up and to the right, and start da...
markdown !Njeri Kimaruhttps://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2F...
The problem Everyone has opinions about what engineers should do in response to AI. Almost no one has data about what they actually do. I wanted data. What I b...
!Cover image for Building a Desktop Control Center for OpenClaw with Tauri and Rusthttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=a...
https://github.com/features/copilothttps://github.com/features/copilot...
