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UICollectionView auto scroll to cell at IndexPath
...e number of image in the array of collection view. All of the cells don't fit on the screen. I have 30 cells and only 6 on the screen.
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Representing graphs (data structure) in Python
...so memory efficient? One must be able to do various graph operations on it.
As pointed out, the various graph representations might help. How does one go about implementing them in Python? As for the libraries, this question has quite good answers.
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Close Bootstrap Modal
I have a bootstrap modal dialog box that I want to show initially, then when the user clicks on the page, it disappears. I have the following:
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Authentication versus Authorization
... in context of web applications? I see the abbreviation "auth" a lot. Does it stand for auth -entication or auth -orization? Or is it both?
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How to implement a tree data-structure in Java? [closed]
...s a basic tree structure that can be used for String or any other object. It is fairly easy to implement simple trees to do what you need.
All you need to add are methods for add to, removing from, traversing, and constructors. The Node is the basic building block of the Tree.
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Android: remove notification from notification bar
I have created an application and with an event I manage to add notification in android notification bar. Now I need sample how to remove that notification from notification bar on an event ??
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How to save/restore serializable object to/from file?
... read some forums and I know that the object has to be Serializable . But it would be nice if I can get an example. For example if I have the following:
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What does -fPIC mean when building a shared library?
I know the ' -fPIC ' option has something to do with resolving addresses and independence between individual modules, but I'm not sure what it really means. Can you explain?
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Install autoreconf on OS X v10.7 (Lion)?
I'm attempting to re-install Ruby 1.9.3 with a patch that will allow me to use ruby-debug .
6 Answers
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Should you always favor xrange() over range()?
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For performance, especially when you're iterating over a large range, xrange() is usually better. However, there are still a few cases why you might prefer range():
In python 3, range() does what xrange() used to do and xrange() does not exist. If you want to w...