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Is there a REAL performance difference between INT and VARCHAR primary keys?

... Tamlyn 16.1k77 gold badges9090 silver badges114114 bronze badges answered Dec 1 '08 at 21:47 Bill KarwinBill Karwin ...
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Check play state of AVPlayer

...t; duration]); CMTime firstThird = CMTimeMakeWithSeconds(durationSeconds/3.0, 1); CMTime secondThird = CMTimeMakeWithSeconds(durationSeconds*2.0/3.0, 1); NSArray *times = [NSArray arrayWithObjects:[NSValue valueWithCMTime:firstThird], [NSValue valueWithCMTime:secondThird], nil]; self.playerObserver...
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How to add multi line comments in makefiles

... answered Dec 20 '10 at 20:10 Eric MelskiEric Melski 14.5k33 gold badges3030 silver badges4545 bronze badges ...
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How to completely remove borders from HTML table

... <table cellspacing="0" cellpadding="0"> And in css: table {border: none;} EDIT: As iGEL noted, this solution is officially deprecated (still works though), so if you are starting from scratch, you should go with the jnpcl's border-colla...
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MongoDB: Find a document by non-existence of a field?

... answered Dec 19 '11 at 21:04 dampierdampier 4,55611 gold badge1818 silver badges1818 bronze badges ...
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How to convert an Stream into a byte[] in C#? [duplicate]

...] ReadToEnd(System.IO.Stream stream) { long originalPosition = 0; if(stream.CanSeek) { originalPosition = stream.Position; stream.Position = 0; } try { byte[] readBuffer = new byte[4096]; int tot...
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jQuery find parent form

... answered Oct 25 '09 at 18:58 karim79karim79 320k6060 gold badges397397 silver badges399399 bronze badges ...
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The tilde operator in C

...he ~ operator is bitwise NOT, it inverts the bits in a binary number: NOT 011100 = 100011 share | improve this answer | follow | ...
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There can be only one auto column

... of a composite key? – Nubcake Sep 20 '17 at 18:13 What is the syntax when altering the table? –...
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How to create a loop in bash that is waiting for a webserver to respond?

... 10 The use of backticks ` ` is outdated. Use $( ) instead. – Serge Stroobandt Apr 18 '14 at 15:37 ...