#programming

A practical tutorial on algorithms and data structures using Python. Covers Big-O, sorting, searching, hashing, linked lists, trees, graphs, dynamic programming, greedy, divide-and-conquer, and the…

A practical tutorial on relational databases using PostgreSQL, from your first query to running them in production. Covers SQL, schema design, indexing, transactions, query performance, and when to…

A practical tutorial on Git, from your first commit to rebasing, recovery, and everyday team workflows. Covers the commit graph, branching, remotes, history rewriting, internals, workflows, and the…

A practical tutorial to get you productive with Go for backend development, CLI tools, and cloud-native applications. Covers fundamentals, concurrency, testing, and the standard library.

A practical tutorial on LangGraph, the graph-based framework for stateful LLM applications, using Python and Claude. Covers state graphs, tool-calling agents, persistence, human-in-the-loop, stream…

A practical guide to Python programming, from basics to productive code. Covers syntax, data structures, OOP, the standard library, and idiomatic patterns.

A practical tutorial to get you productive with Rust for building reliable and efficient software. Covers ownership, traits, error handling, concurrency, and the Cargo ecosystem.

A practical tutorial on designing backend systems that survive scale and failure. Covers the building blocks (load balancers, caches, queues, databases), scaling patterns, consistency and consensus…

A practical tutorial on Terraform using AWS, from your first apply to running it in production with CI/CD and policy checks. Covers HCL, state, modules, remote backends, environments, testing, the…

A practical tutorial on tmux, from your first session to the scripting and configuration that turn a terminal into a persistent, shareable workspace. Covers sessions, windows, panes, copy mode, con…

A practical tutorial on Vim, from modes and motions to the editing habits that make the editor feel like an extension of your hands. Covers the modal model, text objects, registers and macros, buff…

A practical tutorial on WebAssembly using Rust, covering browser and server-side use. Walks through the WAT text format, linear memory, JS interop with wasm-bindgen, wasm-pack, WASI, server runtime…