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Drop columns whose name contains a specific string from pandas DataFrame
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This is a much more elegant solution than the accepted answer. I would break it down a bit more to show why, mainly extracting list(df.filter(regex='Test')) to better show what the line is doing. I would also opt for df.filter(regex='Test...
Number of processors/cores in command line
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nproc is what you are looking for.
More here : http://www.cyberciti.biz/faq/linux-get-number-of-cpus-core-command/
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Change the name of the :id parameter in Routing resources for Rails
...he effect you describe in Rails 3 in routes.rb. It will just involve a bit more work than the to_param method. You can still define custom parameters in routes defined using scope and match (or it's cousins get, put, post, and delete). You simply write in the parameter name you want in the matcher:
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Heatmap in matplotlib with pcolor?
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ax.set_xticks(np.arange(nba_sort.shape[1]) + 0.5, minor=False)
# want a more natural, table-like display
ax.invert_yaxis()
ax.xaxis.tick_top()
# Set the labels
# label source:https://en.wikipedia.org/wiki/Basketball_statistics
labels = [
'Games', 'Minutes', 'Points', 'Field goals made', 'Fi...
How to change color in markdown cells ipython/jupyter notebook?
... They are totally valid and Scott has already answered the question with a more recent, i.e. CSS based approach.
Nevertheless, this answer shows some general approach to use html tags within IPython to style markdown cell content beyond the available pure markdown capabilities.
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What causes and what are the differences between NoClassDefFoundError and ClassNotFoundException?
...ild classloader is not visible. This is sometimes the case when working in more complex environments like an App Server (WebSphere is infamous for such classloader issues).
People often tend to confuse java.lang.NoClassDefFoundError with java.lang.ClassNotFoundException however there's an important...
Pretty-Print JSON in Java
I'm using json-simple and I need to pretty-print JSON data (make it more human readable).
18 Answers
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MySQL error 2006: mysql server has gone away
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Getting a timestamp for today at midnight?
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@SamHuckaby: It is even more easy: $timestamp = strtotime('today'); is midnight. But pssst the one above looks cooler as an answer to the question ;)
– hakre
Oct 29 '12 at 21:30
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Limit the length of a string with AngularJS
... after click on the three dots, show the complete uncut text? Like a "show more"? Thanks!
– Thales P
Dec 7 '14 at 19:23
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