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Re:Computing the number of digits of an integer even faster by legends2k on Friday June 04, 2021 @02:01PM (#27396682)
Here's a gem called _Matters Computational_; a storehouse of many such tricks with proper categorization and index.

https://www.jjj.de/fxt/fxtbook.pdf

Re:Computing the number of digits of an integer even faster by __vim__ on Saturday June 05, 2021 @04:26AM (#27403263)
Thank you for this
Re:Computing the number of digits of an integer even faster by an1sotropy on Friday June 04, 2021 @05:36PM (#27399348)
holy moly this is awesome; thanks!