The basic explanations, code, exercises, and answer keys for 059 and 060 are free. In the second half, I have compiled 6 additional practice problems and answers for checking CSV records, which you ...

Claude Code forgets past sessions. Discover how a three-layer memory system preserves decisions, mistakes, and context using ...

Poetry vs uv compared: speed benchmarks, lockfiles, cache commands and why uv sync --locked matters in CI, plus a ...

print("hello world, I'm learning Python"!) ...

Cowork, a small 4B vision-language model that switches between GUI actions and shell code execution within a single policy, ...