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Python group by
...Do it in 2 steps. First, create a dictionary.
>>> input = [('11013331', 'KAT'), ('9085267', 'NOT'), ('5238761', 'ETH'), ('5349618', 'ETH'), ('11788544', 'NOT'), ('962142', 'ETH'), ('7795297', 'ETH'), ('7341464', 'ETH'), ('9843236', 'KAT'), ('5594916', 'ETH'), ('1550003', 'ETH')]
>>&g...
How do I remove all non alphanumeric characters from a string except dash?
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13 Answers
13
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What characters are valid for JavaScript variable names?
... in a single ASCII-only regular expression for JavaScript, it would be 11,236 characters long. Here it is:
// ES5.1 / Unicode 6.1
/^(?!(?:do|if|in|for|let|new|try|var|case|else|enum|eval|false|null|this|true|void|with|break|catch|class|const|super|throw|while|yield|delete|export|import|public|retur...
Javascript How to define multiple variables on a single line?
...bly with lots of whitespace so it's readable:
var a = 5
, b = 2
, c = 3
, d = {}
, e = [];
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__FILE__, __LINE__, and __FUNCTION__ usage in C++
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edited Mar 13 '17 at 13:15
answered Feb 27 '09 at 23:28
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Split string with delimiters in C
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edited Dec 20 '13 at 13:34
answered Feb 9 '12 at 12:09
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Way to get number of digits in an int?
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30 Answers
30
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Iterate over the lines of a string
...d retval
retval = ''
if retval:
yield retval
def f3(foo=foo):
prevnl = -1
while True:
nextnl = foo.find('\n', prevnl + 1)
if nextnl < 0: break
yield foo[prevnl + 1:nextnl]
prevnl = nextnl
if __name__ == '__main__':
for f in f1, f2, f3:
...
Downloading Java JDK on Linux via wget is shown license page instead
...ebackup-cookie" https://download.oracle.com/otn-pub/java/jdk/14.0.1+7/664493ef4a6946b186ff29eb326336a2/jdk-14.0.1_linux-x64_bin.rpm -O ~/Downloads/jdk-14.0.1_linux-x64_bin.rpm
PS: Alf added this ( me ) :-) this, I couldn't figured out how to just commented at the end... Enjoy it.
UPDATED FOR Oracle...
Unable to load config info from /usr/local/ssl/openssl.cnf on Windows
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mikemaccana
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answered Dec 9 '13 at 4:12
lame_coderlame_...