Curated development tutorials from top sources. Filter by language.
We needed a PDF to Word converter for Ultimate Tools. Most browser-based approaches hit a wall: pdfjs-dist runs fine in the browser for rendering, but
If you’re learning React, at some point you’ll hit this question: “How do I properly loop through arrays?” And yeah… you can use a for loop — but th
Si estás aprendiendo React, en algún punto te vas a hacer esta pregunta: “¿Cómo recorro arrays correctamente?” Y sí… puedes usar un for, pero esa no
Implementing Memoization in High-Performance JavaScript Functions Introduction Memoization is an optimization technique primaril
The biggest problem with Artificial Intelligence today isn’t model accuracy — it’s thermal and financial inefficiency. We are burning millions of doll
Can You Still Scrape Amazon Reviews in 2026? Yes — Here's How Amazon changed how review data is accessed. Users are hitting 429s, CAPTCHA w
I run my entire business using Notion. Projects, content, documentation—all of it. Every backup option I’ve come across has the same issue: they're su
Here's how I built it in less than a week. What it does Opens on any YouTube video, scrapes the transcript from the DOM, and lets you download it a
GitHub Copilot, Cursor, Claude Code — these tools can generate hundreds of lines of Go in seconds. But there's a problem that doesn't get enough atten
If you are a Ruby on Rails developer, you have definitely heard about Elixir and the Phoenix framework. It is almost impossible to ignore. The creat
Refactoring the Controller Response While building the API, I made a small improvement to the controller response handling. Initially, the
I've been working on a note-taking application, and part of that involved building a sidebar with drag-and-drop support. The requirements were fairly
If you've ever added a server to a cache cluster and watched your database melt, you already know the problem consistent hashing solves. You just mi
We Should Write Java Code Differently: Frictionless Prod It's not a secret that modern production deployment is extremely complex. Followin
Every Fedora user has been there. You're setting up nginx, or configuring a custom app, or mounting a Docker volume — and suddenly everything stops w
Every developer wants their website to be fast. But achieving a perfect 100/100 score on Google PageSpeed Insights while using a modern library like R
Every multi-agent AI framework invents its own way for agents to talk to each other. LangGraph has one format. CrewAI has another. AutoGen has a third
Every team building AI agents hits the same wall. You ship a LangChain agent. It works great in demos. Then it goes to production and quietly starts
I've been working with DynamoDB for the best part of a decade. It's my default database for most things I build at Si Novi, and I genuinely like it. T
My project: Hermes IDE | GitHub Me: gabrielanhaia The biggest mistake Java devs make in TypeScript is writing Java. TypeScript rewards a dif