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Config Files, Dotfiles, and Package Managers: What Are Those Files Starting with a Dot?
Why every tool asks you to edit a file starting with a dot, the difference between YAML and JSON, why wrong indentation breaks everything, what problems package managers like brew and apt solve, and how much regex you actually need to know.
Set Up Your LLM Dev Environment in Five Minutes
Build a development environment that can call an LLM API from scratch: installing Python, virtual environments, getting an API key, and managing environment variables, then verifying the whole chain with a single curl command. Complete commands for both macOS and Windows, with a focus on keeping your key safe and out of git.
Complete Development Environment Setup on Mac Studio M3 Ultra
Build an AI development environment from scratch on Mac Studio M3 Ultra (512GB RAM): system configuration, Homebrew installation, basic toolchain, and performance tuning.