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How to use string.replace() in python 3.x
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edited May 25 at 16:17
Boris
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answered F...
How to remove a file from version control without deleting it?
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edited Mar 13 '19 at 21:16
Richard Chambers
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Changes in import statement python3
...n(degrees(x))
Note that it already triggers a warning in Python 2:
a.py:1: SyntaxWarning: import * only allowed at module level
def sin_degrees(x):
In modern Python 2 code you should and in Python 3 you have to do either:
def sin_degrees(x):
from math import sin, degrees
return sin(d...
JavaScript plus sign in front of function expression
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1329
It forces the parser to treat the part following the + as an expression. This is usually used...
Use of 'use utf8;' gives me 'Wide character in print'
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110
Without use utf8 Perl interprets your string as a sequence of single byte characters. There ar...
How do you check that a number is NaN in JavaScript?
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edited May 23 '17 at 11:47
Community♦
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answered Apr 16 '10 at 10:58
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Find out if string ends with another string in C++
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214
Simply compare the last n characters using std::string::compare:
#include <iostream>
bo...
How to output a multiline string in Bash?
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311
Here documents are often used for this purpose.
cat << EOF
usage: up [--level <n>|...
Large, persistent DataFrame in pandas
...lution is to read the file in smaller pieces (use iterator=True, chunksize=1000) then concatenate then with pd.concat. The problem comes in when you pull the entire text file into memory in one big slurp.
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How to open files relative to home directory
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109
The shell (bash, zsh, etc) is responsible for wildcard expansion, so in your first example th...