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Convert Pandas column containing NaNs to dtype `int`
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@jsc123 you can use the object dtype. This comes with a small health warning but for the most part works well.
– Andy Hayden
May 19 '15 at 15:16
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Meaning of Choreographer messages in Logcat [duplicate]
...ce.
Android view animations internally uses Choreographer for the same purpose: to properly time the animations and possibly improve performance.
Since Choreographer is told about every vsync events, it can tell if one of the Runnables passed along by the Choreographer.post* apis doesn't finish in o...
How do I make background-size work in IE?
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@Gaurav123 try -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;
– honk31
Feb 7 '14 at 13:16
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Where can I find the error logs of nginx, using FastCGI and Django?
...figuration file:
error_log /var/log/nginx/nginx_error.log warn;
On Mac OS X with Homebrew, the log file was found by default at the following location:
/usr/local/var/log/nginx
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finding and replacing elements in a list
...,4,5,1,2,3,4,5,1,12]
for i in range (len(a)):
if a[i]==2:
a[i]=123
You can use a for and or while loop; however if u know the builtin Enumerate function, then it is recommended to use Enumerate.1
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Installing SciPy and NumPy using pip
... now scipy.org/scipylib/building/windows.html
– jxramos
Aug 11 '15 at 20:52
30
-1; this answer ha...
ImportError: No module named requests
...e with the default python installation), so you will have to install it:
OSX/Linux
Use $ sudo pip install requests (or pip3 install requests for python3) if you have pip installed. If pip is installed but not in your path you can use python -m pip install requests (or python3 -m pip install requ...
How to set my default shell on Mac?
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These are applicable to MacOS Sierra 10.12.5 (16F73) and probably some other recent and upcoming versions of MacOS.
chsh is not enough to change the default shell. Make sure you press Command+, while your terminal is open and change the 'Shells open ...
How do you auto format code in Visual Studio?
...s. (These two are Edit.FormatSelection and Edit.FormatDocument.)
Note for OS X
On OS X use the CMD ⌘ key, not Ctrl:
To format a selection: CMD ⌘+K, CMD ⌘+F
To format a document:
CMD ⌘+K, CMD ⌘+D
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how to solve “ruby installation is missing psych” error?
...installed prior to the steps above:
sudo apt-get install libtool
For macOS users (with homebrew):
rm -rf /usr/local/lib/ruby/gems/ && brew reinstall ruby
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