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When should I use @classmethod and when def method(self)?
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Your guess is correct - you understand how classmethods work.
The why is that these methods can be called both on an instance OR on the class (in both cases, the class object will be passed as the first argument):
class Dummy(object):
@classmethod
d...
SortedList, SortedDictionary and Dictionary
...at SortedList<TKey, TValue> SortedDictionary<TKey, TValue> and Dictionary<TKey, TValue> implement the same interfaces.
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How to center horizontally div inside parent div
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I am assuming the parent div has no width or a wide width, and the child div has a smaller width. The following will set the margin for the top and bottom to zero, and the sides to automatically fit. This centers the div.
div#child {
margin: 0 auto;
}
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How to open every file in a folder?
...have a python script parse.py, which in the script open a file, say file1, and then do something maybe print out the total number of characters.
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Which $_SERVER variables are safe?
Any variable that a user can control, an attacker can also control and is therefore a source of an attack. This is called a "tainted" variable, and is unsafe.
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django : using select_related and get_object_or_404 together
Is there any way of using get_object_or_404 and select_related together or any other way to achieve the result of using these two together(except from putting it in try/except)??
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Is it possible to prevent an NSURLRequest from caching data or remove cached data following a reques
...P request using NSURLRequest for a chunk of data. Object allocation spikes and I assign the data accordingly. When I finish with the data, I free it up accordingly - however instruments doesn't show any data to have been freed!
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Creating an empty bitmap and drawing though canvas in Android
I'd like to create an empty bitmap and set a canvas to that bitmap and then draw any shape on the bitmap.
2 Answers
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What's the difference between “squash” and “fixup” in Git/Git Extension?
...the commit log message begins with "squash! ..." (or "fixup!
..."), and there is a commit whose title begins with the same ...,
automatically modify the todo list of rebase -i so that the commit
marked for squashing comes right after the commit to be modified,
and change ...
Using TortoiseSVN how do I merge changes from the trunk to a branch and vice versa?
...en reading up on branching/merging with Subversion 1.5 using the excellent and free Version Control with Subversion book. I think that I understand how to use the Subversion command line client to perform the actions that I need most often, which are:
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