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Mercurial stuck “waiting for lock”
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492
When "waiting for lock on repository", delete the repository file: .hg/wlock (or it may be in .h...
Is it possible to allow didSet to be called during initialization in Swift?
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edited Nov 20 '19 at 11:46
Nik Kov
9,00633 gold badges5252 silver badges8484 bronze badges
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Drop columns whose name contains a specific string from pandas DataFrame
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import pandas as pd
import numpy as np
array=np.random.random((2,4))
df=pd.DataFrame(array, columns=('Test1', 'toto', 'test2', 'riri'))
print df
Test1 toto test2 riri
0 0.923249 0.572528 0.845464 0.144891
1 0.020438 0.332540 0.144455 0.741412
cols = [c for...
How to identify if the DLL is Debug or Release build (in .NET) [duplicate]
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2 Answers
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How many characters can a Java String have?
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244
You should be able to get a String of length
Integer.MAX_VALUE always 2,147,483,647 (231 - ...
Getting a list of all subdirectories in the current directory
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27 Answers
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Using str_replace so that it only acts on the first match?
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String formatting named parameters?
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In Python 2.6+ and Python 3, you might choose to use the newer string formatting method.
print('<a href="{0}">{0}</a>'.format(my_url))
which saves you from repeating the argument, or
print('<a href="{url}">{url}&l...
Bulk Insertion in Laravel using eloquent ORM
...array('name'=>'Coder 1', 'rep'=>'4096'),
array('name'=>'Coder 2', 'rep'=>'2048'),
//...
);
Coder::insert($data);
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