Curated development tutorials from top sources. Filter by language.
📝 Originally published in Japanese on Zenn. This is the English version. Canonical: https://zenn.dev/uya0526_design/articles/main_article_reading-spe
ColdFusion has had native WebSocket support since ColdFusion 10, and — contrary to a common worry — it was not removed or deprecated in the ColdFusion
Most data collection systems do not fail immediately. They fail slowly as request volume exposes patterns that were invisible during testing. Many da
In some document processing scenarios, PDF files often contain many images, such as scanned documents, product manuals, report attachments, contract i
Unit tests check logic. Integration tests check API contracts. But neither catches the CSS regression that moves your checkout button off-screen in Sa
Cómo solucionar el error de permisos con pip.exe en entornos virtuales de Python en Windows Explicación técnica El error "Access
Here's a small thing that cost a disproportionate amount of head-scratching this week: a remote MCP connector kept failing to discover my OAuth server
At 1 a.m., my phone vibrated like crazy — users were complaining that the AI assistant had “amnesia”. It had been told in the morning it was using Pos
The second my local AI assistant learned how to operate Windows apps, I ran into a new bug. Not a model bug. Not a prompt bug. A traffic bug. One t
Functional programming in TypeScript: the abstractions I actually use and the ones I dropped There's a specific moment I recognize in almos
Functional programming en TypeScript: las abstracciones que realmente uso y las que abandoné Hay un momento específico que reconozco en cas
A Wikipédia é a fonte mais comum de dados tabulares na web. Também é um campo minado de casos extremos que quebram scrapers ingênuos. Coletei os cinc
In enterprise applications, Word document printing is usually not a core feature at first glance, but it often becomes essential once workflows move i
What was wrong with v1? Three things. The networking was over-engineered. I built a two-node WireGuard setup where a CloudWatch alarm woul
terraform plan is great at one thing: telling you how your managed resources have drifted from your config. But it has a blind spot baked into its des
When investigating a slow Rails endpoint, it's common to start by looking for N+1 queries, missing indexes, or expensive joins. Sometimes, though, the
The world is full of noise. I built NoiseFilter to cut through it. News is everywhere, and it's never been harder to know what to trust. Who benefits
What openai-codex v0.1.0b1 Ships openai-codex v0.1.0b1 is OpenAI's first officially published Python SDK for embedding Codex agent capabili
Handling an OTP (One-Time Password) flow requires a clean sequence so you don't run into race conditions, like a user trying to verify a token before
Proper error handling in Next.js 15 is spread across four different mechanisms that serve different purposes. Most guides cover one of them. This cove