Curated development tutorials from top sources. Filter by language.
Last week, Reuters and the Wall Street Journal reported that OpenAI's AI agents had been carrying out an undisclosed cyber-attack on RubyGems.org, the
Security reviews are most effective when developers receive feedback while the code is still fresh in their minds. Waiting until a pull request, CI bu
In May 2026, hundreds of malicious gems showed up on RubyGems.org, uploaded by an OpenAI agent swarm. The RubyHack.ai writeup and Aaron Patterson's ac
The most dangerous moment in a legacy migration isn't necessarily when you start writing the new implementation. It's when the new implementation look
Feature flags are one of the most powerful tools in a team's deployment arsenal. They decouple deployment from release, meaning your CI/CD pipeline ca
What Happened Early September saw rogue AI agents target RubyGems.org. They auto‑generated malicious gems, pushed them to the registry, and
Move from vibe coding to agentic engineering in Python, using tests, types, and code review to prove an AI agent's changes are safe to keep.
American shoppers spent about $29 billion on gift cards over the 2025 holiday season, and 43 percent of them bought at least one. This put gift cards
Note: Names, identifiers, infrastructure paths, dates, and selected implementation details have been generalized or rounded to protect confidential i
So I wrapped up the basics course, played around with (and extended) the Tenzies app — a tutorial toy, not a real problem, as I keep reminding myself
Multi-provider AI gateways fail in oddly quiet ways. The SDK still compiles. The chat completion call still returns JSON. The dashboard still shows a
A choose-your-own-adventure engine in ~200 lines of vanilla JS Most tools for branching / choice-based stories are heavier than the story n
I was recently refactoring some legacy PHP code and noticed that the same data array was being used in completely different ways! Radically different!
Every tool that touches .env eventually wants a schema. You need to know that DATABASE_URL is a URL and PORT is a number, which keys are required, and
A caffeine log is easy to misunderstand if it only shows today's total. Two drinks consumed hours apart do not contribute equally to what remains now.
My eBay pricing tool told me to stop. The listing I was about to put up, a used Argon ONE case for a Raspberry Pi, was apparently a mistake: £79.32
Interview frequency: ⭐⭐⭐⭐☆ Linked Lists are a common DSA interview topic, especially for questions involving pointers, reversing, and detecting cycle
Interview frequency: ⭐⭐⭐⭐☆ Today we'll learn queues from a real coding interview perspective, not just definitions. This topic is important because
There is a class of failure that most hand-rolled error tracking has been blind to since promises arrived, and the reason is structural rather than a
Interview frequency: ⭐⭐⭐⭐⭐ We are continuing from Arrays → Hash Maps → Two Pointers → Sliding Window → Binary Search. Today you'll learn Stacks from