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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar

... I actually just implemented this on one of my projects (your question and the other wrong answer hinted at what to do). I tried Sergio's answer but had exception issues when actually running on a device. Yes you create two fetch ...
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Using variables inside a bash heredoc

... the lines in the here-document are not expanded. If word is unquoted, all lines of the here-document are subjected to parameter expansion, command substitution, and arithmetic expansion. [...] If you change your first example to use <<EOF instead of << "EOF" you'll find that i...
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Timer function to provide time in nano seconds using C++

...psets, so you may want to make sure you do not have those chipset. Additionally some dual core AMDs may also cause a problem. See the second post by sebbbi, where he states: QueryPerformanceCounter() and QueryPerformanceFrequency() offer a bit better resolution, but have different issues. ...
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How can I read a function's signature including default argument values?

... @Spi, you are calling inspect.getargspec on a module, not a function. – Mike Graham Apr 20 '10 at 17:36 ...
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Regular Expression for alphanumeric and underscores

...o or more of the given characters $ : end of string If you don't want to allow empty strings, use + instead of *. As others have pointed out, some regex languages have a shorthand form for [a-zA-Z0-9_]. In the .NET regex language, you can turn on ECMAScript behavior and use \w as a shorthand (y...
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How do I capture SIGINT in Python?

...f KeyboardInterruptException is implemented as a SIGINT handler or if it really only catches Ctrl+C presses, but either way, using a signal handler makes your intent explicit (at least, if your intent is the same as OP's). More importantly though, with a signal you don't have to wrap try-catches ar...
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GET URL parameter in PHP

...perglobal: a built-in variable that's populated by PHP and is available in all scopes (you can use it from inside a function without the global keyword). Since the variable might not exist, you could (and should) ensure your code does not trigger notices with: <?php if (isset($_GET['link'])) { ...
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UICollectionView Set number of columns

...[self.myCollectionView.collectionViewLayout invalidateLayout]; } Additionally, here are 2 really good tutorials on UICollectionViews: http://www.raywenderlich.com/22324/beginning-uicollectionview-in-ios-6-part-12 http://skeuo.com/uicollectionview-custom-layout-tutorial ...
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Do I need to explicitly call the base virtual destructor?

...the destructor again as virtual on the inheriting class, but do I need to call the base destructor? 7 Answers ...
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Is it ok to use dashes in Python files when trying to import them?

Basically when I have a python file like: 7 Answers 7 ...