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How to Deal with Temporary NSManagedObject instances?

...clear up somehow after I decide that I don't need some of the objects in my db. 8 Answers ...
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Fetch frame count with ffmpeg

Does anyone know how to fetch the number of total frames from a video file using ffmpeg? The render output of ffmpeg shows the current frame and I need the frame count to calculate the progress in percent. ...
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What does apply_filters(…) actually do in WordPress?

I'm trying to understand some of the function in WordPress, but I can't get my head around what apply_filters(...) actually does. ...
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Comparison of Lucene Analyzers

Can someone please explain the difference between the different analyzers within Lucene? I am getting a maxClauseCount exception and I understand that I can avoid this by using a KeywordAnalyzer but I don't want to change from the StandardAnalyzer without understanding the issues surrounding analyz...
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How do I convert a NSString into a std::string?

...Foo"; std::string bar = std::string([foo UTF8String]); Edit: After a few years, let me expand on this answer. As rightfully pointed out, you'll most likely want to use cStringUsingEncoding: with NSASCIIStringEncoding if you are going to end up using std::string. You can use UTF-8 with normal std::...
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PHP Multidimensional Array Searching (Find key by specific value)

I have this multidimensional array. I need to search it and return only the key that matches the value of the "slug". I know there are other threads about searching multidimensional arrays, but I'm not really understanding enough to apply to my situation. Thanks very much for any help! ...
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Paste multiple times

What is the best way replace multiple lines with the contents of the clipboard? 6 Answers ...
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How to sort Counter by value? - python

...than doing list comprehensions of reversed list comprehension, is there a pythonic way to sort Counter by value? If so, it is faster than this: ...
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Convert XmlDocument to String

Here is how I'm currently converting XMLDocument to String 5 Answers 5 ...
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Search for selection in vim

...use vim and vim plugins for visual studio when writing C++. Often, I find myself wanting to search for a string within a function, for example every call to object->public_member.memberfunc() . ...