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Checking for empty queryset in Django
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@Wtower The code you refer to has for contract to raise 404 if the filtering expression does not hit any records or to produce a list of the result if there are records. The code there will hit the database just once. If they used exist() or count() to first check whether there are...
Append a dictionary to a dictionary [duplicate]
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Eric O Lebigot
76.6k4040 gold badges191191 silver badges244244 bronze badges
answered Jan 19 '12 at 17:58
mipadimipadi
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Error: Cannot pull with rebase: You have unstaged changes
...lly.
– Karma Blackshaw
Jun 10 at 16:04
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Hide grid row in WPF
...ection. Thanks!
– nrod
Apr 14 at 15:04
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When are you supposed to use escape instead of encodeURI / encodeURIComponent?
... encodeURI when you want a working URL. Make this call:
encodeURI("http://www.example.org/a file with spaces.html")
to get:
http://www.example.org/a%20file%20with%20spaces.html
Don't call encodeURIComponent since it would destroy the URL and return
http%3A%2F%2Fwww.example.org%2Fa%20file%20wi...
What is the best comment in source code you have ever encountered? [closed]
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1048
votes
stop(); // Hammertime!
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UIScrollView not scrolling
...answer!
– ninjaneer
May 26 '13 at 8:04
1
Thank you so much Chris Vasselli! With Auto Layout enabl...
How do I make a Mac Terminal pop-up/alert? Applescript?
... Marshall
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answered Apr 7 '11 at 22:20
AnneAnne
25.6k99 gold badges59...
how to bypass Access-Control-Allow-Origin?
...n to a more specific origin:
header('Access-Control-Allow-Origin: https://www.example.com')
Please refer to following stack answer for better understanding of Access-Control-Allow-Origin
https://stackoverflow.com/a/10636765/413670
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Which is the best Linux C/C++ debugger (or front-end to gdb) to help teaching programming? [closed]
... Eclipse
– Celeritas
Oct 4 '13 at 8:04
7
I will not -1 points but IDE sucks.
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