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Set default syntax to different filetype in Sublime Text 2

... In the current version of Sublime Text 2 (Build: 2139), you can set the syntax for all files of a certain file extension using an option in the menu bar. Open a file with the extension you want to set a default for and navigate through the following menus: View -> Syntax -...
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Automatic creation date for Django model form objects?

... 319 You can use the auto_now and auto_now_add options for updated_at and created_at respectively. ...
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How to use subprocess popen Python

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Difference between FOR and AFTER triggers?

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SQLite table constraint - unique on multiple columns

... 348 Put the UNIQUE declaration within the column definition section; working example: CREATE TABL...
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How can I combine flexbox and vertical scroll in a full-height app?

...flexbox layout module ( display: box; and other things) in this link: CSS3 Flexbox full-height app and overflow 3 Answers...
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Django - filtering on foreign key properties

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Way to read first few lines for pandas dataframe

...ms to work. Using one of the standard large test files (988504479 bytes, 5344499 lines): In [1]: import pandas as pd In [2]: time z = pd.read_csv("P00000001-ALL.csv", nrows=20) CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s Wall time: 0.00 s In [3]: len(z) Out[3]: 20 In [4]: time z = pd.rea...
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How to define @Value as optional

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How do I draw a grid onto a plot in Python?

... 223 You want to use pyplot.grid: x = numpy.arange(0, 1, 0.05) y = numpy.power(x, 2) fig = plt.figu...