You have a folder full of files named `invoice_2026_01.pdf`, `invoice_2026_02.pdf`, and a hundred more. You need the ones from the first half of the year, but not the drafts, and definitely not the `i...
You're staring at a log file with 40,000 lines in it. Somewhere in there is the one request that failed, and you know it has a timestamp, an IP address, and the word `timeout` in it. A colleague leans...
