Git Worktrees: The Feature That Killed My Stash Habit
Git worktrees let you check out multiple branches in separate directories. Here's how I use them for code reviews, hotfixes, and parallel work.
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Mastering Kubernetes Security: Network Policies &
Network policies are the single most impactful security control you can add to a Kubernetes cluster — and most clusters I audit don’t have a single one. After…
UPS Battery Backup: Sizing, Setup, and NUT on TrueNAS
Size a UPS from measured load and configure the documented NUT secondary-first shutdown sequence in current TrueNAS SCALE.
Insider Trading Detector with Python & Free SEC Data
Detect insider buying clusters from SEC EDGAR Form 4 filings using Python and edgartools. Free, no API key. Complete working code included.
Track Pre-IPO Valuations: SpaceX, OpenAI & More
Track implied valuations for SpaceX ($2T), OpenAI ($1.3T), and 19 more pre-IPO tech companies using a free API that analyzes publicly traded closed-end fund data.
RegexLab: Free Offline Regex Tester With 5 Modes Regex101 Doesn’t Have
I built a privacy-first regex tester with a multi-test-case runner because I got tired of sending production data to Regex101's servers. Here's how it works.