Curated development tutorials from top sources. Filter by language.
In today’s tech-driven world, learning just one programming language is often not enough. Developers who understand multiple languages and concepts
Title 1: Optimizing Meta-Query Latency in Single-Property Deployments Deployment environment: Debian 12, Nginx 1.24, PHP 8.2-FPM, MariaDB 1
Introduction Many developers migrating from Solidity to Cairo often overlook the fact that Starknet has its own unique gas limits and execution archi
When you first start learning Java, you probably use variables and arrays to store data. It works fine… until it doesn’t. The moment your data becomes
CSV Sort, Done Right: Why sort -t, Is a Trap and What a 300-Line PHP CLI Does Instead TL;DR — Repo: https://github.com/sen-ltd/csv-sort.
Reimplementing fd in 500 lines of Rust (and what I learned about the crates it stands on) A minimal fd-style file finder in four small mod
I Built a .env Diff Tool That Refuses to Print Values A zero-dependency TypeScript CLI that diffs two .env files and tells you which keys
Writing a Regex Playground in 200 Lines of Rust A small CLI that does what grep -E refuses to: shows you the contents of every capture gro
A 10 MB Markdown-to-HTML Service in Rust with pulldown-cmark A tiny axum service that renders Markdown to HTML through pulldown-cmark. Sam
git log --pretty is a tiny DSL: building a zero-dep CHANGELOG generator A ~400-line TypeScript CLI that turns conventional commits into a
Seed Data Without a Dependency Tree: A Tiny PHP CLI Instead of Faker I needed fifty users and two hundred posts in a fresh Postgres schema
sharp on Alpine Without Tears: a 260 MB Image Resize API in Hono Every site eventually needs on-the-fly image resizing. Cloudinary and img
Writing a tar Inspector in Rust with Three Dependencies tar -tzf archive.tar.gz | grep something and tar -Oxzf archive.tar.gz some/file.tx
A Tiny PHP Invoice-PDF API: Slim 4, dompdf, and the JPY Rounding Footgun Every small-business backend eventually needs "POST invoice JSON
PHPStan's JSON Output Is Noise. I Wrote a Formatter with a Baseline Diff. PHPStan itself is fantastic. Its human output scrolls off your C
A Portfolio-Sized URL Shortener in 300 Lines of PHP A Slim 4 + PDO SQLite URL shortener with hand-written Base62 slugs. The PHP sibling of
The Security Problem Nobody Talks About Enough Everyone is rushing to add LLMs to their products. Spring AI, LangChain4j, and a dozen other
This article was originally published on My Hashnode blog [https://gaurikatara.hashnode.dev] The API didn't throw an error. It just... stopped respo
Modern systems rely on event-driven architecture for scalability. In this guide: 📡 Java + Apache Kafka Partitions & scaling Consumer groups Offset
You have the AI pipeline. You have the service classes, the middleware, the queued jobs. The backend is instrumented. What you do not have is any way