Useful patterns for building HTML tools

I’ve started using the term HTML tools to refer to HTML applications that I’ve been building which combine HTML, JavaScript, and CSS in a single file ...

System Card: Claude Opus 4 & Claude Sonnet 4

Direct link to a PDF on Anthropic’s CDN because they don’t appear to have a landing page anywhere for this document. Anthropic’s system cards are alwa...

Serving 200 million requests per day with a cgi-bin

Jake Gold tests how well 90s-era CGI works today, using a Go + SQLite CGI program running on a 16-thread AMD 3700X. Using CGI on modest hardware, it’s...

Claude Code: Automatic Linting, Error Analysis, & Custom Commands

How to use Claude Code's error analysis slash-commands and create your own linting commands to automate repetitive CLI tasks.

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...

Claude Code Output Styles: Explanatory, Learning, and Custom Options

An implementation guide to Claude Code's /output-style, the built‑in Explanatory and Learning modes (with to-do prompts), and creating reusable custom...

repo-tokens-calculator

CLI token counter (Python + tiktoken + uv) with pretty summary

williamcallahan.com

Interactive personal site with beautiful terminal/code components & other dynamic content

Quarkus in Action

Martin Štefanko, Jan Martiška

Build resilient and scalable, cloud-native enterprise Java applications using the Quarkus framework. Quarkus lets you live-reload your Java code, deli...

Getting Started with Natural Language Processing

Ekaterina Kochmar

Hit the ground running with this in-depth introduction to the NLP skills and techniques that allow your computers to speak human. In Getting Started w...

Spring AI in Action

Craig Walls

Use Spring AI to add generative AI features like virtual assistants, text summaries, and suggestions to your Java applications. No matter what kind of...

FlutterFlow

No-code platform for building native mobile applications using Flutter, enabling rapid app development without coding.