Timeboxing: You Will Work Like Never Before 15 years ago
I might be doing it wrong but I find time-boxing works great until you hit a problem. In that case I keep working on the problem till the time is up. Then when i revisit the problem I feel the time pressure which causes me to try think faster - which usually means about specifics, rather than chilling, sitting back and rechecking things. Is it the code or was it a firewall setting?, recheck calmly for typos (calmly because otherwise I end up reading what I expect rather than what is there) etc.
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