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What is the difference between -viewWillAppear: and -viewDidAppear:?

What is the difference between -[UIViewController viewWillAppear:] and -[UIViewController viewDidAppear:] ? 12 Answers ...
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Check if $_POST exists

I'm trying to check whether a $_POST exists and if it does, print it inside another string, if not, don't print at all. 14 ...
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Difference between a Factory, Provider and a Service?

What is the difference between the terms Factory, Provider and Service? 1 Answer 1 ...
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How to declare a global variable in JavaScript?

...e name), doing so generates an implicit global, which is a bad thing to do and would generate an error in strict mode. share | improve this answer | follow | ...
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How to calculate the running time of my program? [duplicate]

I wrote a program and now I want to calculate the total running time of my program from start to end. 6 Answers ...
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Java: Static vs inner class [duplicate]

What is the difference between static and non-static nested class? 8 Answers 8 ...
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In c# is there a method to find the max of 3 numbers?

...e, but not regularly. (Note that this is likely to be more efficient than Andrew's LINQ-based answer - but obviously the more elements you have the more appealing the LINQ approach is.) EDIT: A "best of both worlds" approach might be to have a custom set of methods either way: public static class...
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RelativeLayout is taking fullscreen for wrap_content

...u cannot have a circular dependency between the size of the RelativeLayout and the position of its children. For example, you cannot have a RelativeLayout whose height is set to WRAP_CONTENT and a child set to ALIGN_PARENT_BOTTOM Class documentation Which is exactly your case. RelativeLayout can no...
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Java compile speed vs Scala compile speed

I've been programming in Scala for a while and I like it but one thing I'm annoyed by is the time it takes to compile programs. It's seems like a small thing but with Java I could make small changes to my program, click the run button in netbeans, and BOOM, it's running, and over time compiling in ...
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What is the difference between SIGSTOP and SIGTSTP?

Just wondering about the difference between SIGSTOP and SIGTSTP signals. 3 Answers 3...