Curated development tutorials from top sources. Filter by language.
The Rails maintenance policy is lean by design: only the most recent minor version of the most recent two major versions receives security patches. Ev
My CI was green. 1,885 tests, 66 packages, zero failures. go vet clean. The build was a single self-contained binary. By every signal a Go project giv
Apache Tomcat 9 reached end of life on December 31, 2025. No more security patches. No more CVE fixes. Every vulnerability disclosed from January 1, 2
Have you ever clicked: Back Forward inside a browser? That feature works efficiently because the system can move in both directions. A Doubly L
Here's something nobody talks about. .gitignore doesn't encrypt your secrets. It just hides them from git. They're still sitting on your laptop as p
SOLID Principles in Ruby on Rails SOLID is not a Rails or Ruby concept. It's a set of five object-oriented design principles that apply to
A few months ago, I published my first article introducing Teltonika-Go: Introducing Teltonika-Go: A Go Package for Parsing and Communicating with Te
Most programming tutorials teach technologies in isolation. You learn a language. Then a framework. Then a database. Then eventually build a small CR
I Built a Production-Style RAG Backend — Focused on What Happens When Things Break Most RAG tutorials show you the happy path. Ingest docu
I launched TikRapid — a free TikTok video downloader — and within the first few days the API was getting hammered. Not by real users. By bots. The pro
When working with Ruby on Rails, testing HTTP endpoints is part of everyday development. Most of the time, we rely on tools like Postman, Insomnia, c
Quem trabalha com Ruby on Rails sabe que testar endpoints HTTP faz parte da rotina de desenvolvimento. Na maioria das vezes usamos ferramentas como P
3300. Minimum Element After Replacement With Digit Sum Difficulty: Easy Topics: Mid Level, Array, Math, Biweekly Contest 140 You are given an integ
Understanding Fields in Java: Static vs Non-Static Introduction In Java programming, variables play a crucial role in storing an
Every SaaS ends up building the same thing: a notification settings screen where users opt in/out of email, push, Slack, etc., per category. The logic
Overview Joget can send notification emails through its built-in email tool, but some projects need to call an external email API and inclu
1. Overview This article shows how to customize a Joget inbox or datalist using JavaScript. The script moves row action columns, localizes
1. Overview This article shows a Joget BeanShell pattern for item-level task delegation. Instead of reassigning an entire process blindly,
I kept running into the same problem every time I built an AI bot for a client. Before writing a single line of bot logic, I had to prepare the knowl
You sent an SMS. Did it arrive? A password reset link that never reached the user. An appointment reminder that bounced because the number was discon