Modern Mac SSDs typically endure about 3,000 erase-write cycles; monitor total data written with iostat or smartctl, keep 10–25% free, and avoid VM swap to extend lifespan..
Estimate LLM costs by entering input, cached, and output token counts and per‑million rates; includes model price comparisons and a GitHub source link..
A week-one playbook for auditing legacy Rails apps: interview stakeholders, inspect Gemfile/schema/routes, run security scans first, use SimpleCov zero-coverage as a fear map, and deliver a one-page t.