Class action lawsuit search via CourtListener - case name, court, date and citation

Lichess player profile by username - title, ratings and game counts per mode, best rating, win rate, hours played, account age and last seen

Insurance payout estimate from loss, deductible and policy limit - covered and uncovered amounts

Electric vehicle range estimate from battery capacity, consumption and reserve - kilometers and miles

Sales tax calculator from subtotal and rate - tax and total

Fix git push rejected for files over 100 MB - find big blobs, filter-repo history rewrite, Git LFS migrate, size guards, secret rotation

Running split calculator for even-pace race planning - pace, split time and split count

Video frame count and frame interval from frame rate and duration

Tip, tax and total bill calculator from subtotal, tax rate and tip rate

Average video bitrate calculator from duration and file size - Mbps and kbps

Tax-inclusive price calculator - pre-tax amount and embedded tax from a total and rate

Resolve Git merge conflicts safely - markers, ours vs theirs in rebase, zdiff3, lockfile and binary conflicts, abort, rerere and reflog recovery

Resolve Git merge and rebase conflicts - markers, checkout --theirs, abort, continue, ours/theirs swap in rebase

JavaScript numbers lose precision - 0.1+0.2, MAX_SAFE_INTEGER, JSON.parse rounding big IDs, BigInt, toFixed and money handling

Undo Git mistakes - reflog after reset --hard, soft reset, revert pushed commits, restore, recover deleted branches

Squash and tidy Git history - non-interactive rebase -i squash, reset --soft, fixup, cherry-pick -x and --abort, force-with-lease rules

Fix .gitignore not working - git rm --cached for tracked files, check-ignore -v, negation inside ignored dirs, secrets remain in history

GNU date recipes - epoch conversion, +1 month overflow from Jan 31, TZ= prefix, rejected zone names and DST gap, day differences

Handle SIGTERM and SIGINT gracefully in Python and Node - handlers, exit 143/130/137, KeyboardInterrupt, orphaned children, exec in scripts

JavaScript regex cookbook - matchAll named groups, /g lastIndex statefulness, replaceAll TypeError, lookbehind, u flag emoji and unicode classes, ReDoS