Curated development tutorials from top sources. Filter by language.
There is a moment in every data hoarder's life — and in every small media shop's IT history — when the first archive drive fills up. You slot in a sec
I'm learning Rust and recently ran into something unexpected with Option type. I expected r to be Option, but it came back as Option instead. Here's
All tests run on an 8-year-old MacBook Air (Intel). The apps are lightweight and fast, but they're also designed to make you smile while debugging at
The problem When we have a function that interacts with external resources, testing that code might be difficult because side-effects could
I've spent the last several months building ANIMUS, an autonomous system in Rust that gives a local LLM persistent memory. The idea is simple: a knowl
On April 29, 2026, Nathan Sobo published the Zed 1.0 announcement post on Zed's blog. The post landed on Hacker News at 2,047 points and 663 comments
A new member has joined the fulgur family. fulgur-chart — a CLI that takes Chart.js v4-compatible JSON specs and renders deterministic SVG/PNG charts
Buy Old Gmail Accounts A Gmail account provides flexible email services suitable for both personal and business purposes. It features an intuitive in
The Problem I Kept Seeing Over the past year working across multiple client teams on DevOps and pipeline work, I kept noticing the same th
ArtifactX is a Rust CLI for signed apt/yum repositories: import existing repos, regenerate metadata under your own key, publish atomically, serve stat
A CLI that finds shortest paths in a weighted graph, in Rust, with Dijkstra's algorithm. Three implementation hinges: (1) Dijkstra needs a min-priori
Building an Agent with Rust,A2A, MCP, and A2UI This tutorial aims to extend and test a currency Agent using A2A and MCP protocols with the
All tests run on an 8-year-old MacBook Air (Intel). Migrating a single app is a weekend project. Migrating ten production apps simultaneously is a thr
Every Rust tutorial ends the same way: cargo build --release, a victory screenshot of a binary running in a terminal, the end. The Book, the YouTube s
An operating system should not just execute programs. It should protect the person using it. Most operating systems were built for a world where thre
Introduction to database design So as we start looking into the internal of a database. We must ask what a database actually is? According
Disclosure: I’m posting from Armorer Labs, where we work on Armorer and Armorer Guard. Most agent stacks now have traces. Traces are useful after som
I’ve been moving files to servers and SSH-ing into boxes for more than a decade. And for most of that decade, my workflow looked exactly like this:
Harmonis Prime SET-12 is sealed. What that means: 149 reproducible tests, 0.54s, zero failures 400‑bit MPFR ζ(½+it) oracle with honest f64 fallback
The Problem with IP-Based Networking IP addresses make for inherently fragile identifiers. They change whenever a device switches from Wi-F