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What is the most efficient way to store a list in the Django models?

... This is probably what I will end up doing, but I was really hoping the underlying structure for this would have been built in. I guess I am to o lazy. – grieve Jul 10 '09 at 16:11 ...
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How to check that an element is in a std::set?

... Note that using count() instead of find() is never better but potentially worse. This is because find() will return after the first match, count() will always iterate over all elements. – Frerich Raabe Nov 9 '09 at 15:50 ...
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How to duplicate a whole line in Vim?

...hen you press : in visual mode, it is transformed to '<,'> so it pre-selects the line range the visual selection spanned over. So, in visual mode, :t0 will copy the lines at the beginning. – Benoit Jun 30 '12 at 14:17 ...
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How to detect unused methods and #import in Objective-C

...pecific compiler warnings that can warn you of some types of unused code. (Select the project in the source list and File > Get Info, then select the Build tab.) Here are a few (which show up for Clang and GCC 4.2 for me) which may be of interest: Unused Functions Unused Parameters Unused Value...
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Best TCP port number range for internal applications [closed]

... Short answer: use an unassigned user port Over achiever's answer - Select and deploy a resource discovery solution. Have the server select a private port dynamically. Have the clients use resource discovery. The risk that that a server will fail because the port it wants to listen on is n...
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Best algorithm for detecting cycles in a directed graph [closed]

What is the most efficient algorithm for detecting all cycles within a directed graph? 14 Answers ...
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Expand Python Search Path to Other Source

.... Remember that when you distribute your project to other users, they typically install it in such a manner that the Python code files will be automatically detected by Python's importer (i.e. packages are usually installed in the site-packages directory), so if you mess with sys.path in your code, ...
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git rebase without changing commit timestamps

...branch", using the option --committer-date-is-author-date (introduced initially in Jan. 2009 in commit 3f01ad6 Note that the --committer-date-is-author-date option seems to leave the author timestamp, and set the committer timestamp to be the same as the original author timestamp, which is what the...
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Why use jQuery on() instead of click()

... have the same click handler that was previously bound to the same element selector, you then "delegate" the click event using on() with selector argument To demonstrate: http://jsfiddle.net/AJRw3/ on() can also be synonymous with click() if you don't have a selector specified: $('.elementClass'...
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How to make a class property? [duplicate]

...az.bar == 50 assert foo.bar == 50 The setter didn't work at the time we call Bar.bar, because we are calling TypeOfBar.bar.__set__, which is not Bar.bar.__set__. Adding a metaclass definition solves this: class ClassPropertyMetaClass(type): def __setattr__(self, key, value): if key ...