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How to add elements to an empty array in PHP?

If I define an array in PHP such as (I don't define its size): 8 Answers 8 ...
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Are there any O(1/n) algorithms?

Are there any O(1/n) algorithms? 32 Answers 32 ...
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jQuery - Get Width of Element when Not Visible (Display: None)

It seems like in jQuery when an element is not visible width() returns 0. Makes sense, but I need to get the width of a table in order to set the width of the parent before I show the parent. ...
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What is the difference between exit and return? [duplicate]

What is difference between return and exit statement in C programming when called from anywhere in a C program? 4 Answers ...
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Programmatically get own phone number in iOS

...K Agreement as of Nov 5, 2009. Our application was just rejected for using it. Here's the response from Apple: "For security reasons, iPhone OS restricts an application (including its preferences and data) to a unique location in the file system. This restriction is part of the security feature kno...
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Is there any overhead to declaring a variable within a loop? (C++)

...laring a variable inside a loop and I was wondering what's wrong until he cited performance as the reason not to do so and I was like "WTF!?". – Mehrdad Afshari Jun 11 '09 at 19:35 ...
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Is it possible to make the -init method private in Objective-C?

I need to hide (make private) the -init method of my class in Objective-C. 9 Answers ...
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Why is there “data” and “newtype” in Haskell? [duplicate]

It seems that a newtype definition is just a data definition that obeys some restrictions (e.g., only one constructor), and that due to these restrictions the runtime system can handle newtype s more efficiently. And the handling of pattern matching for undefined values is slightly different. ...
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Check if object is file-like in Python

...objects in Python that behave like a real file, e.g. have a read() and a write method(), but have a different implementation. It is and realization of the Duck Typing concept. ...
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Why is “throws Exception” necessary when calling a function?

...o specify a throws clause for all classes. Specifically, classes that are either an Error or RuntimeException or any of the subclasses of these two. In your case Exception is not a subclass of an Error or RuntimeException. So, it is a checked exception and must be specified in the throws clause, if ...