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Python dict how to create key or append an element to key?
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Use dict.setdefault():
dic.setdefault(key,[]).append(value)
help(dict.setdefault):
set...
How do I find an element that contains specific text in Selenium Webdriver (Python)?
... RickyRicky
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Setting Authorization Header of HttpClient
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npm can't find package.json
I'm trying to install the dependencies of some example: npm's express 2.5.8 that I've downloaded, but all of the apps throw the same error:
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Cannot set some HTTP headers when using System.Net.WebRequest
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182
If you need the short and technical answer go right to the last section of the answer.
If you w...
How to find the size of an array in postgresql
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As vyegorov mentioned, array_length will do the trick. Or if you know that the array is 1-dimen...
How to print Unicode character in Python?
... Python source code, you can use Unicode escape characters in the form \u0123 in your string, and prefix the string literal with 'u'.
Here's an example running in the Python interactive console:
>>> print u'\u0420\u043e\u0441\u0441\u0438\u044f'
Россия
Strings declared like this ar...
Set time part of DateTime in ruby
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Within a Rails environment:
Thanks to ActiveSupport you can use:
DateTime.now.midnight
DateT...
How to sparsely checkout only one single file from a git repository?
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