May 30, 2013 · In programming languages we are habitual of using asterisk (*) symbol for multiplication sign. I was wondering how time can map to a cross (or x alphabet symbol) symbol. Then I went back …

Apr 3, 2015 · The escape sequence you're using does not represent the × sign. It represents U+274C CROSS MARK, which is an entirely different symbol altogether (and one that happens to be …

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Your title says something else than "infinity times zero". It says "infinity to the zeroth power". It is also an indefinite form because $$\infty^0 = \exp (0\log \infty) $$ but $\log\infty=\infty$, so the argument of …

Someone recently asked me why a negative $\\times$ a negative is positive, and why a negative $\\times$ a positive is negative, etc. I went ahead and gave them a proof by contradiction like this: As...

Sep 8, 2009 · Package lubridate This package holds two functions to convert timezones. According to their help pages: force_tz() returns the date-time that has the same clock time as input time, but in …

Feb 28, 2022 · I'd even start with 0.5 times 3.5 -- it feels normal to add 0.5 to itself 3 times, then not-too-bad to add it once more 1/2 a time. That establishes "add 1/2 a time" is fine and fits the repeated …

Jan 29, 2012 · How to cron something at a random offset 20 times a day between 9am and 11pm? That's kinda tricky within cron, because you are dividing 14 hours by 20 execution times. I don't like …

May 17, 2017 · 3 You can use the SpreadOpeator and the map () function to create an array with the same element repeated multiple times.