DSA Trainer, LeetCode practice with a hint ladder instead of spoilers
Hint ladder pedagogy beats solution videos when NeetCode already owns this space.

First free in-browser PLC IDE with ladder logic, tests, and trend analysis—no hardware needed.
PLC students, vocational instructors, control engineers learning without hardware
What it does now: - Build AOIs in Structured Text and Ladder Logic - Run in-browser simulation - Write and run AOI tests - Inspect trend-style execution data
Goal: faster AOI iteration for educational purposes.
Feedback wanted: - Which PLC concepts/workflows are hardest to learn? - What’s missing before this is useful for class/self-study? - Where this feels better or worse than existing tools?
Hint ladder pedagogy beats solution videos when NeetCode already owns this space.
WebAuthn passkeys replace SSH keys—Touch ID auth without managing key files.
Fills the EDR blind spot for AI tooling — timely and actually useful today.
Implements Paul Graham's intellectual CAPTCHA idea with Face ID verification and logic gates.
Finally, field-based log filtering that beats grep for structured logs.
Five-phase hunt methodology for Claude Code and Cursor security workflows.