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 …

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 …

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 …

Oct 13, 2009 · To measure a Python program's execution time, use the time module. Record the start time with time .time () before the code and the end time after. Subtract start from end to get the …

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 …