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AVAudioPlayer throws breakpoint in debug mode

... Add your exception breakpoint and edit the exception type from "All" to "Objective-C exceptions" Some classes in AudioToolbox throw regular C++ exceptions. You can filter them off this way. share | ...
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How can I count all the lines of code in a directory recursively?

We've got a PHP application and want to count all the lines of code under a specific directory and its subdirectories. We don't need to ignore comments, as we're just trying to get a rough idea. ...
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What is the difference between persist() and merge() in JPA and Hibernate?

...these other entities are annotated with the cascade=PERSIST or cascade=ALL annotation element value or specified with the equivalent XML descriptor element. If X is a removed entity, it becomes managed. If X is a detached object, the EntityExistsException may be thrown when the...
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Make div stay at bottom of page's content all the time even when there are scrollbars

... @aroth that is because they are two totally different solutions. This solution will keep the footer at the bottom of the visual area of the screen at all times. The alternative solution keeps the footer at either the bottom of the screen or the bottom of the page,...
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How is set() implemented?

...ts in python have O(1) membership-checking. How are they implemented internally to allow this? What sort of data structure does it use? What other implications does that implementation have? ...
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Given an array of numbers, return array of products of all other numbers (no division)

... Here is a small recursive function (in C++) to do the modofication in place. It requires O(n) extra space (on stack) though. Assuming the array is in a and N holds the array length, we have int multiply(int *a, int fwdProduct, int indx)...
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What does jquery $ actually return?

...you should pass the function, I don't see any information on what it actually returns . 9 Answers ...
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How can I get pg_dump to authenticate properly

...ing host variable PGPASSWORD and .pgpass and neither of these two will allow me to authenticate to the database. I have chmod 'd .pgpass to appropriate permissions and also tried: ...
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What is a Context Free Grammar?

...y and then the Wikipedia entry on formal grammar, I am left utterly and totally befuddled. Would someone be so kind as to explain what these things are? ...
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What is the difference between ArrayList.clear() and ArrayList.removeAll()?

...st is defined as ArrayList<String> arraylist , is arraylist.removeAll(arraylist) equivalent to arraylist.clear() ? ...