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Python Pandas: Get index of rows which column matches certain value
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473
df.iloc[i] returns the ith row of df. i does not refer to the index label, i is a 0-based inde...
What is the purpose of std::make_pair vs the constructor of std::pair?
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edited Feb 14 '12 at 1:51
answered Feb 14 '12 at 1:39
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How do I format a string using a dictionary in python-3.x?
...g syntax, available since Python 3.6:
>>> geopoint = {'latitude':41.123,'longitude':71.091}
>>> print(f'{geopoint["latitude"]} {geopoint["longitude"]}')
41.123 71.091
Note the outer single quotes and inner double quotes (you could also do it the other way around).
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How to get the concrete class name as a string? [duplicate]
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instance.__class__.__name__
example:
>>> class A():
pass
>>> a = A()
>>> a.__class__.__name__
'A'
share
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Get file version in PowerShell
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143
Since PowerShell can call .NET classes, you could do the following:
[System.Diagnostics.FileVe...
What are “connecting characters” in Java identifiers?
...fo/unicode/category/Pc/list.htm
U+005F _ LOW LINE
U+203F ‿ UNDERTIE
U+2040 ⁀ CHARACTER TIE
U+2054 ⁔ INVERTED UNDERTIE
U+FE33 ︳ PRESENTATION FORM FOR VERTICAL LOW LINE
U+FE34 ︴ PRESENTATION FORM FOR VERTICAL WAVY LOW LINE
U+FE4D ﹍ DASHED LOW LINE
U+FE4E ﹎ CENTRELINE LOW LINE
U+FE4F ﹏...
Python unittests in Jenkins?
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174
sample tests:
tests.py:
# tests.py
import random
try:
import unittest2 as unittest
except...
ASP.NET MVC: No parameterless constructor defined for this object
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answered Sep 1 '10 at 21:46
SandRockSandRock
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What is the difference between char array and char pointer in C?
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gsamaras
64.5k3131 gold badges140140 silver badges240240 bronze badges
answered Apr 17 '12 at 7:15
JonJon
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Difference between fprintf, printf and sprintf?
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248
In C, a "stream" is an abstraction; from the program's perspective it is simply a producer (inp...