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What is the different between 'Auto' and '*' when setting width/height for a grid column?
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How do I tell CPAN to install all dependencies?
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How to 'bulk update' with Django?
....models import F
Entry.objects.all().update(n_pingbacks=F('n_pingbacks') + 1)
See the documentation.
However, note that:
This won't use ModelClass.save method (so if you have some logic inside it won't be triggered).
No django signals will be emitted.
You can't perform an .update() on a slice...
What's the meaning of 'origin' in 'git push origin master'
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edited Mar 11 '11 at 16:39
answered Mar 11 '11 at 8:49
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How to do a https request with bad certificate?
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edited Feb 14 '18 at 15:03
Matthias Rosenstock
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When a 'blur' event occurs, how can I find out which element focus went *to*?
...target ? target.id||target.tagName||target : '';
}
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<button id="btn1" onblur="showBlur(event)">Button 1</button>
<button id="btn2" onblur="showBlur(event)">Button 2</button>
<button id="btn3" onblur="showBlur(event)">Button 3</button>
<input id="focused" t...
Checking for empty queryset in Django
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AdamAdam
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How do I catch an Ajax query post error?
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Since jQuery 1.5 you can use the deferred objects mechanism:
$.post('some.php', {name: 'John'}...
Show a PDF files in users browser via PHP/Perl
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answered Jan 13 '11 at 12:04
StephenStephen
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Why don't C++ compilers define operator== and operator!=?
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13 Answers
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