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Linq order by boolean
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Correct, false (0) comes before true (1) in ascending (default) sorting order.
– silkfire
Apr 9 '17 at 23:13
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Cosine Similarity between 2 Number Lists
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180
You should try SciPy. It has a bunch of useful scientific routines for example, "routines for co...
Formatting “yesterday's” date in python
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406
Use datetime.timedelta()
>>> from datetime import date, timedelta
>>> yester...
How do I measure execution time of a command on the Windows command line?
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30 Answers
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Calling shell functions with xargs
...orting the function should do it (untested):
export -f echo_var
seq -f "n%04g" 1 100 | xargs -n 1 -P 10 -I {} bash -c 'echo_var "$@"' _ {}
You can use the builtin printf instead of the external seq:
printf "n%04g\n" {1..100} | xargs -n 1 -P 10 -I {} bash -c 'echo_var "$@"' _ {}
Also, using ret...
How to convert a std::string to const char* or char*?
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1091
If you just want to pass a std::string to a function that needs const char* you can use
std:...
No module named setuptools
...aheer Ahmed
25.4k1111 gold badges6969 silver badges105105 bronze badges
answered Mar 20 '14 at 17:09
ArvindArvind
2,14899 silver b...
Remove a string from the beginning of a string
...gex:
$prefix = 'bla_';
$str = 'bla_string_bla_bla_bla';
if (substr($str, 0, strlen($prefix)) == $prefix) {
$str = substr($str, strlen($prefix));
}
Takes: 0.0369 ms (0.000,036,954 seconds)
And with:
$prefix = 'bla_';
$str = 'bla_string_bla_bla_bla';
$str = preg_replace('/^' . preg_quote($p...
Is there XNOR (Logical biconditional) operator in C#?
...te also that this doesn't generalize to bitwise operations, where you want 0x1234 XNOR 0x5678 == 0xFFFFBBB3 (assuming 32 bits). For that, you need to build up from other operations, like ~(A^B). (Note: ~, not !.)
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Can PNG image transparency be preserved when using PHP's GDlib imagecopyresampled?
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10 Answers
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