Tutorials
41 posts

Test ink! Contracts the Practical Way: Unit tests and a tiny e2e for beginners #4
Minimal runnable examples to test Rust + ink!: from #[ink::test] off-chain unit tests to a small e2e. Includes setup, full code, typical pitfalls, and fixes.

Stop Panicking on Failure: Production‑Ready ink! Events & Error Handling
Beginner‑friendly, production‑oriented ink! walkthrough: emit events for observability, return typed errors instead of panics, and ship with a minimal runnable example plus test assertions.

Rust Macros 2.0 Starter Guide: Build Code Like Lego
A panoramic Rust Macros 2.0 guide: unify macro namespaces, master the TokenStream pipeline and macro hygiene, and migrate from macro 1.0 to macro 2.0 metaprogramming with practical examples.
Skill Seeker: Turn Docs Into Claude-Ready Skill Packs (Hands-on Guide)
Stop slogging through docs: convert any framework site into a Claude skill pack in minutes. Practical workflow covering CrewAI, AutoGen, LangGraph and more.
OpenSpec Installation and Project Initialization Guide
How to install and run OpenSpec for this repository and your team: npx (no install), global install, binary/internal distribution, and quick validation steps.

Master OpenSpec in the AI Era: A Practical Guide to SDD (Spec‑Driven Development)
A hands-on, SEO-friendly primer on Spec‑Driven Development with OpenSpec: change proposals, specs, tasks, validation, and release — plus a 10‑minute quickstart and best practices.
Data Science Skills Map for 2026 Newcomers
A hands-on, newbie-friendly roadmap for the skills every data scientist will need in 2026.

Rust Distributed Task Queues: Making Results Find Their Way Home
Learn how to build a distributed task queue system in Rust with intelligent result routing. Complete code examples to master cross-node task distribution and result tracking.

When My Fitness App Was Lagging Like a Slideshow, Rust Came to the Rescue
React Native makes cross-platform app development easy, but complex calculations can be a headache? Here’s how I used Rust to solve performance bottlenecks

Rust 1.90: The Update Developers Have Been Begging For
If Rust build times have ever ruined your coding flow, this release fixes what matters most
