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What's the difference between “mod” and “remainder”?
... is a difference between modulus and remainder. For example:
-21 mod 4 is 3 because -21 + 4 x 6 is 3.
But -21 divided by 4 gives -5 with a remainder of -1.
For positive values, there is no difference.
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Why do enum permissions often have 0, 1, 2, 4 values?
...are people always using enum values like 0, 1, 2, 4, 8 and not 0, 1, 2, 3, 4 ?
7 Answers
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sed: print only matching group
...eplaced with the contents of the group
echo "foo bar <foo> bla 1 2 3.4" |
sed -n 's/.*\([0-9][0-9]*[\ \t][0-9.]*[ \t]*$\)/\1/p'
2 3.4
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Connect to a locally built Jekyll Server using mobile devices in the LAN
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Try jekyll serve --host=0.0.0.0 when you invoke Jekyll on the command line.
That will make Jeky...
iOS UIImagePickerController result image orientation after upload
I am testing my iPhone application on an iOS 3.1.3 iPhone. I am selecting/capturing an image using a UIImagePickerController :
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How to truncate the time on a DateTime object in Python?
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390
I think this is what you're looking for...
>>> import datetime
>>> dt = dat...
Why does SIGPIPE exist?
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edited Oct 26 '16 at 9:13
Ton van den Heuvel
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a...
Truncate number to two decimal places without rounding
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36 Answers
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Ternary operator is twice as slow as an if-else block?
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376
To answer this question, we'll examine the assembly code produced by the X86 and X64 JITs for ...