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How to initialize an array in Java?

...tic void product(int[] array){ int[] productArray = new int[array.length]; and want to set all the values of productArray zero, what should I write? (I think I should write a loop and set all values to zero, is there any better way to do this?) – Hengameh Aug 2...
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What should main() return in C and C++?

...t is the correct (most efficient) way to define the main() function in C and C++ — int main() or void main() — and why? And how about the arguments? If int main() then return 1 or return 0 ? ...
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How to use XPath contains() here?

...ode in the list is <li><b>Type:</b> Clip Fan</li> (converted to a string: "Type: Clip Fan") which means that this: //ul[@class='featureList' and contains(li, 'Type')] would actually select a node! s...
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method overloading vs optional parameter in C# 4.0 [duplicate]

...DoFoo(c:"Hello There, John Doe") This call takes parameter a value as 10 and parameter b as 23. Another variant of this call - notice you don't need to set the parameter values in the order as they appear in the method signature, the named parameter makes the value explicit. DoFoo(c:"hello again...
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Default value of function parameter

... If you put the declaration in a header file, and the definition in a separate .cpp file, and #include the header from a different .cpp file, you will be able to see the difference. Specifically, suppose: lib.h int Add(int a, int b); lib.cpp int Add(int a, int b = ...
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Array Size (Length) in C#

...nt[,] b = new int[3, 5];) b.Rank will give the number of dimensions (2) and b.GetLength(dimensionIndex) will get the length of any given dimension (0-based indexing for the dimensions - so b.GetLength(0) is 3 and b.GetLength(1) is 5). See System.Array documentation for more info. As @Lucero ...
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unsigned int vs. size_t

I notice that modern C and C++ code seems to use size_t instead of int / unsigned int pretty much everywhere - from parameters for C string functions to the STL. I am curious as to the reason for this and the benefits it brings. ...
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What's the optimum way of storing an NSDate in NSUserDefaults?

... You are needlessly complicating things. Why are you converting the date to a time interval (then the time interval to a different primitive)? Just [sharedDefaults setObject:theDate forKey:@"theDateKey"] and be done with it. NSDate is one of the "main types" supported by the PL...
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What are the differences between a multidimensional array and an array of arrays in C#?

What are the differences between multidimensional arrays double[,] and array-of-arrays double[][] in C#? 9 Answers ...
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PHPMailer character encoding issues

...an use utf8_encode as David says. Otherwise use mb_detect_encoding and mb_convert_encoding on $message. Also take note that $mail -> charSet = "UTF-8"; Should be replaced by: $mail->CharSet = 'UTF-8'; And placed after the instantiation of the class (after the new). The properties are ...