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Understanding repr( ) function in Python
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166
>>> x = 'foo'
>>> x
'foo'
So the name x is attached to 'foo' string. When ...
What is pluginManagement in Maven's pom.xml?
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edited Feb 11 '14 at 15:08
messivanio
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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 difference between “Array()” and “[]” while declaring a JavaScript array?
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JavaScript checking for null vs. undefined and difference between == and ===
...oercion to try to get the values to match, and === won't. So for instance "1" == 1 is true, because "1" coerces to 1. But "1" === 1 is false, because the types don't match. ("1" !== 1 is true.) The first (real) step of === is "Are the types of the operands the same?" and if the answer is "no", the r...
SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”. error
The above error came after updating the m2e to version 1.1. By removing m2e 1.1 and rolling back to m2e 1.0 everything worked fine. I tried to repeat the problem in Windows and Ubuntu and it gave me the exact same error. Numerous configurations of the slf4j-api and logback were tested but none see...
Rendering JSON in controller
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You'll normally be returning JSON either because:
A) You are building part / all of your appl...
Draw Circle using css alone [duplicate]
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You could use a .before with a content with a unicode symbol for a circle (25CF).
.circle...
How Do I Fetch All Old Items on an RSS Feed?
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As the other replies here mentioned, a feed may not provide archival data but historical items ...