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How do you calculate log base 2 in Java for integers?

...slightly faster than Integer.numberOfLeadingZeros() (20-30%) and almost 10 times faster (jdk 1.6 x64) than a Math.log() based implementation like this one: private static final double log2div = 1.000000000001 / Math.log( 2 ); public static int log2fp0( int bits ) { if( bits == 0 ) retur...
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How do I get the current date in JavaScript?

...e new Date() to generate a new Date object containing the current date and time. var today = new Date(); var dd = String(today.getDate()).padStart(2, '0'); var mm = String(today.getMonth() + 1).padStart(2, '0'); //January is 0! var yyyy = today.getFullYear(); today = mm + '/' + dd + '/' +...
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Python Progress Bar

...se a progress bar when my script is doing some task that is likely to take time? 33 Answers ...
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What is the best way to convert seconds into (Hour:Minutes:Seconds:Milliseconds) time?

...s the best way to convert seconds into (Hour:Minutes:Seconds:Milliseconds) time? 13 Answers ...
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Cleanest and most Pythonic way to get tomorrow's date?

... datetime.date.today() + datetime.timedelta(days=1) should do the trick share | improve this answer | fo...
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Deleting lines from one file which are in another file

...sses f2 properly before it starts searching the search will only take O(n) time. – HelloGoodbye Aug 9 '17 at 16:27  |  show 5 more comments ...
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The shortest possible output from git log containing author and date

...ec36490 jesper Wed Nov 26 05:41:37 2008 +0000 Cleanup after [942]: Using timezon ae62afd tobias Tue Nov 25 21:42:55 2008 +0000 Fixed #67 by adding time zone supp 164be7e mads Tue Nov 25 19:56:43 2008 +0000 fixed tests, and a 'unending appoi 93f1526 jesper Tue Nov 25 09:45:56 2008 +000...
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Python: Why is functools.partial necessary?

...body is); second, its absolutely weird syntax sugar. If I could go back in time and change one thing within Python, it would be the absurd, meaningless, eyesore def and lambda keywords: make them both function (one name choice Javascript got really right), and at least 1/3 of my objections would van...
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How to convert ‘false’ to 0 and ‘true’ to 1 in Python

...is pretty random if the input is not one of 'true' or 'false'. Half of the time it will return 0, and the other half 1. The variant using encode will raise an encoding error if the input is not ASCII (thus increasing the undefined-ness of the behaviour). Seriously, I believe the most readable, an...
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How to get execution time in rails console?

I want compare time of execution Post.all and SELECT * FROM posts (or some other statements) How can i get execution time of Post.all ? ...