B-trees and database indexes — PlanetScale

B-trees are used by many modern DBMSs. Learn how they work, how databases use them, and how your choice of primary key can affect index performance.

Caching — PlanetScale

Every time you use a computer, the cache is working to ensure your experience is fast.

GitHub - jmuncor/sherlock: Intercept LLM API traffic and visualize token usage in a real-time terminal dashboard. Track costs, debug prompts, and monitor context window usage across your AI development sessions.

Intercept LLM API traffic and visualize token usage in a real-time terminal dashboard. Track costs, debug prompts, and monitor context window usage ac...

How to Secure Environment Variables for LLMs, MCPs, and AI Tools Using 1Password or Doppler

Stop hardcoding API keys in MCP configs and AI tool settings. Learn how to use 1Password CLI or Doppler to inject secrets just-in-time for Claude, Cur...

Java, Maven, & Gradle: OS Setup & Project-Level Usage

Install Java, Maven, Gradle at OS & project levels. Learn common commands for consistent builds & development workflows.

Attempting to Design a Back-end with Cleaner Architecture Rules and Boundaries

How I'm learning to build with better software architecture design principles (while 'moving fast and breaking things').

Apple Maps Java SDK

Java SDK for Apple Maps Server API — geocoding, search, directions

Troubleshooting Java, Second Edition

Laurentiu Spilca

Learn how to quickly work out what your Java code is doing so you can understand when and why it misbehaves. Searching for bugs, detangling messy lega...

Learn AI-Assisted Python Programming, Second Edition

Leo Porter, Daniel Zingaro

See how an AI assistant can bring your ideas to life immediately! Once, to be a programmer you had to write every line of code yourself. Now tools lik...

Inside AI

Akli Adjaoute

Description A pragmatic analysis of artificial intelligence techniques and their application in business environments. It provides a historical and te...