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Executing multi-line statements in the one-line command-line?

... this style can be used in makefiles too (and in fact it is used quite often). python - <<EOF import sys for r in range(3): print 'rob' EOF or python - <<-EOF import sys for r in range(3): print 'rob' EOF in latter case leading tab character...
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Total size of the contents of all the files in a directory [closed]

... @Arkady I have tried your solution on CentOS and Ubuntu, and there is a small error. You want "du -sbh". The "-h" flag must come last. – theJollySin Oct 16 '15 at 22:49 ...
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Redis key naming conventions?

...directly querying for all keys which starts with user: there is a keys command for that. This command should be however used only for debugging purpose since it's O(N) because it's searching through all keys strored in database. More appropriate solution for this problem is to create dedicated key,...
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Mongoose indexing in production code

Per the Mongoose documentation for MongooseJS and MongoDB / Node.js : 3 Answers ...
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How do I set the figure title and axes labels font size in Matplotlib?

...ylabel', fontsize=16) fig.savefig('test.jpg') For globally setting title and label sizes, mpl.rcParams contains axes.titlesize and axes.labelsize. (From the page): axes.titlesize : large # fontsize of the axes title axes.labelsize : medium # fontsize of the x any y labels (As far a...
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Twitter Bootstrap alert message close and open again

I have a problem with alert messages. It is displayed normally, and I can close it when the user presses x (close), but when the user tries to display it again (for example, click on the button event) then it is not shown. (Moreover, if I print this alert message to console, it is equal to [] .) ...
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Getting a list of all subdirectories in the current directory

...alk('.'))[1] Or see the other solutions already posted, using os.listdir and os.path.isdir, including those at "How to get all of the immediate subdirectories in Python". share | improve this answ...
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Convert JSON string to dict using Python

...ittle bit confused with JSON in Python. To me, it seems like a dictionary, and for that reason I'm trying to do that: 4 Ans...
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For each row in an R dataframe

I have a dataframe, and for each row in that dataframe I have to do some complicated lookups and append some data to a file. ...
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Is a Python dictionary an example of a hash table?

...read more about hash tables or check how it has been implemented in python and why it is implemented that way. share | improve this answer | follow | ...