Curated development tutorials from top sources. Filter by language.
🤺 yard-fence 0.9.0 is out. This is the first blog post I have written for the gem, so I will start with the short version: yard-fence is a Ruby ge
I'm a backend developer. When our startup needed a web presence and a mobile app, we decided to outsource the frontend and infrastructure — we didn't
Stop Spinning Up Separate Vector DBs: Multi-Tenant Spring AI with Pgvector Metadata Filtering Shipping RAG to production in 2026 means solv
The bug report opened on charmbracelet/glow yesterday morning. Title: TUI doesn't respect --style. The repro ran glow --tui -s light and the output re
Arrays are great for fast access… But inserting or deleting elements can be expensive. That’s where Linked Lists become powerful. A Singly Linked
I've been exploring Go frameworks lately and stumbled across GoFr. Honestly, it's one of those tools that makes you wonder why you were doing things
Go's built-in testing package provides a powerful, minimalist framework for writing unit tests without external dependencies. Here are the testing fun
The Problem We Were Actually Solving The treasure hunt engine was designed to handle a large volume of user interactions, with a dynamicall
Tailwind is "just CSS." But what exactly does bg-blue-500 text-white px-6 py-3 rounded-lg font-bold shadow-md resolve to? I wrote a 500-line vanilla
The Problem We Were Actually Solving It all started with mysterious out-of-memory (OOM) errors that kicked off massive cascading failures i
Astro + React 19 Islands: Shipping Zero JavaScript Until User Interaction—The CitizenApp Case Study Most teams treat Astro and React as opp
The Problem We Were Actually Solving At the time, I was tasked with ensuring the Treasure Hunt Engine's long-term server health, a critical
The Problem We Were Actually Solving The key challenge lay in managing the vast amount of metadata associated with each player's progress t
This is a submission for the Gemma 4 Challenge: Write About Gemma 4 What exactly is Gemma 4? Simply put, it’s a family of open-weight, open-source
Java Records have been stable since Java 16, and with Java 21 now the LTS baseline, they're showing up everywhere - DTOs, value objects, domain models
The Problem We Were Actually Solving Looking back, it's clear that we were struggling to keep the system simple and stable. The documentati
SQLAlchemy Bulk Operations for AI Feature Analytics: Writing 10K Events/Second Without Database Meltdown CitizenApp logs analytics for 9 AI
VuReact is a compiler toolchain for migrating from Vue to React — and for writing React with Vue 3 syntax. In this article, we will look at how VuRea
The Problem We Were Actually Solving We were trying to solve the age-old problem of event-driven architecture, but we were doing it all wro
The Problem Last month I was shopping for a new mechanical keyboard. I spent 3 hours opening 8 different tabs — Amazon, AliExpress, JD, Tao