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Django: Get an object form the DB, or 'None' if nothing matches

...yset, or None if there is no matching object. Usage: p = Article.objects.order_by('title', 'pub_date').first() share | improve this answer | follow | ...
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Command Prompt - How to add a set path only for that batch file executing?

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Xcode 6 how to enable storyboard zoom?

... In order to zoom in or zoom out using a mouse just hold alt (⌥) and scroll. share | improve this answer | ...
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How is malloc() implemented internally? [duplicate]

... The sbrksystem call moves the "border" of the data segment. This means it moves a border of an area in which a program may read/write data (letting it grow or shrink, although AFAIK no malloc really gives memory segments back to the kernel with that method)...
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How do I make a composite key with SQL Server Management Studio?

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Error in plot.new() : figure margins too large, Scatter plot

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django import error - No module named core.management

.... the base of my custom packages shared a name with a directory set in a /etc/profile. The packages were in a different location however for the webserver. So I removed the offending entries from my $PYTHONPATH and was good to go! Thanks for the help. ...
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How to find patterns across multiple lines using grep?

I want to find files that have "abc" AND "efg" in that order, and those two strings are on different lines in that file. Eg: a file with content: ...
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How to format strings using printf() to get equal length in the output?

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Checking for empty queryset in Django

...ist before the check is made. In my case execution time went down by three orders. share | improve this answer | follow | ...