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When to use wrapper class and primitive type

...have mentioned that certain constructs such as Collections require objects and that objects have more overhead than their primitive counterparts (memory & boxing). Another consideration is: It can be handy to initialize Objects to null or send null parameters into a method/constructor to indic...
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What are best practices that you use when writing Objective-C and Cocoa? [closed]

I know about the HIG (which is quite handy!), but what programming practices do you use when writing Objective-C, and more specifically when using Cocoa (or CocoaTouch). ...
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Is 'switch' faster than 'if'?

...ntly increase performance in some scenarios, is as general as a switch is, and does not result in greater generated code size. But to see that, your test code would need a LOT more branches to see any difference. To answer your specific questions: Clang generates one that looks like this: test_s...
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What is a domain specific language? Anybody using it? And in what way?

I guess I am looking for some kind of intro and see if anybody have used it. Are there any particular advantages of using it? ...
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SQL Server IN vs. EXISTS Performance

...t. The IN statement requires SQL Server to generate a complete result set, and then create a big IF statement I think. – Randy Minder Jan 14 '10 at 16:04 74 ...
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Difference between passing array and array pointer into function in C

... First, some standardese: 6.7.5.3 Function declarators (including prototypes) ... 7 A declaration of a parameter as ‘‘array of type’’ shall be adjusted to ‘‘qualified pointer to type’’, where the type qualifiers (if any) a...
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Does this app use the Advertising Identifier (IDFA)? - AdMob 6.8.0

I'm currently uploading my App to the App Store and Apple is asking me if this app users IDFA. I'm using the latest Admob SDK or 6.8.0 and I don't know if it uses IDFA or not, and if it does which check boxes should I hit X.X ...
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In-Place Radix Sort

...rt for DNA. It's written in D because that's the language that I use most and therefore am least likely to make silly mistakes in, but it could easily be translated to some other language. It's in-place but requires 2 * seq.length passes through the array. void radixSort(string[] seqs, size_t base...
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Including jars in classpath on commandline (javac or apt)

... Note for Windows users, the jars should be separated by ; and not :. for example: javac -cp external_libs\lib1.jar;other\lib2.jar; share | improve this answer | ...
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What does the construct x = x || y mean?

I am debugging some JavaScript, and can't explain what this || does? 12 Answers 12 ...