Programming Tutorials

Dynamic binding means: The method that gets executed is decided at runtime, based on the actual object. It is also called: Runtime binding Late bindin

I’ve never used “social” media. Instead, I read a lot on various topics: Rails, web/tech and beyond. Next to the weekly practical article a week on Ra

I've seen this file in almost every frontend project I've ever touched. It's usually called api.js or utils.js or sometimes just helpers.ts. It star

I write the matching engine for a small dating and friendship app. The engine is open-source (github.com/donnowyu/soulmate-core, MIT). The hardest thi

30 languages. 35 countries. One developer. The brief for Pikkuna sounded reasonable until I realised that "add multilingual support" is not a feature

the idea if agents handle money, they need credit scores. not for borrowing — for trust. before you give an agent a $10k/month API budget,

ถ้าคุณใช้ Garudust Agent อยู่แล้ว การเพิ่มความสามารถให้ AI พูดภาษาไทยออกมาเป็นเสียง ทำได้ในไม่กี่ขั้นตอน — ไม่ต้องแก้โค้ดใด ๆ เพราะ Garudust มีระบบ sc

Why You're Still Writing any in 2026 I recently audited several TypeScript codebases across different companies. The average? Over 30% of f

A few months ago I started building vecdb — a vector database that runs entirely on your own machine. No cloud, no API keys, no subscription.

First-generation MCP servers were great. They gave AI agents access to a ton of external apps and data — Jira, Confluence, GitHub, Linear, you name it

You're staring at a massive dashboard or a page packed with content, you hit Ctrl+F, type your keyword, and the tiny highlighted word just disappears

If you’ve tried the new rails generate authentication command in Rails 8, you know it’s a breath of fresh air. It gives you a solid, secure foundation

Six months ago, I started building ToolForge — a free online toolkit with 56+ tools for students, developers, and professionals. No ads. No signup. N

use Claude for project planning (it's expensive), use DeepSeek or a cheap Chinese model for coding, use Gemini for review. Errors here, errors there,

If you build microservices with NestJS, you already know how powerful and structured the framework is. However, starting a new project often involves

A complete guide to building a serverless PDF conversion service using Rust, pdf_oxide, and cargo-lambda. Demo: https://pdf-to-text-phi.verc

I tried to build one ISO 4032 M2 hex nut with the Rust cadrum crate (an OpenCASCADE-based B-Rep library), and there were more detours than I expected,

For the past two years, Bun has been one of the most exciting technologies in our stack. Fast startup times, excellent TypeScript ergonomics, lower r

All tests run on an 8-year-old MacBook Air. All results from shipping 7 Mac apps as a solo developer. No sponsored opinion. All my apps ship in Japane

The Solopreneur Lifestyle I'm Haruhisa Maniwa (Hulk), CEO of Laicos Inc. I live what people call the solopreneur lifestyle. Last month, th