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Why is there no logical xor in JavaScript?

... JavaScript traces its ancestry back to C, and C does not have a logical XOR operator. Mainly because it's not useful. Bitwise XOR is extremely useful, but in all my years of programming I have never needed a logical XOR. If you have two boolean variables you c...
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What is Func, how and when is it used

...t returns some value of the type T. In other words, you can use this type to reference a method that returns some value of T. E.g. public static string GetMessage() { return "Hello world"; } may be referenced like this Func<string> f = GetMessage; ...
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How do you determine the size of a file in C?

...ty file. off_t is a signed type so this is possible. If you want fsize() to print a message on error, you can use this: #include <sys/stat.h> #include <sys/types.h> #include <string.h> #include <stdio.h> #include <errno.h> off_t fsize(const char *filename) { str...
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Why do x86-64 systems have only a 48 bit virtual address space?

... give you an address space of 256 terabyte. That's a lot. You're not going to see a system which needs more than that any time soon. So CPU manufacturers took a shortcut. They use an instruction set which allows a full 64-bit address space, but current CPUs just only use the lower 48 bits. The alte...
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Cannot find executable for CFBundle CertUIFramework.axbundle

Just updated to Xcode 5 and this is the first error its throwing on the logger for all my apps. Can't seem to understand why this is happening. ...
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Convert XML String to Object

I am receiving XML strings over a socket, and would like to convert these to C# objects. 15 Answers ...
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What is the result of % in Python?

What does the % in a calculation? I can't seem to work out what it does. 19 Answers ...
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What is the difference between parseInt(string) and Number(string) in JavaScript? [duplicate]

...s 123 Number("123qwe") returns NaN In other words parseInt() parses up to the first non-digit and returns whatever it had parsed. Number() wants to convert the entire string into a number, which can also be a float BTW. EDIT #1: Lucero commented about the radix that can be used along with par...
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How to draw vertical lines on a given plot in matplotlib?

Given a plot of signal in time representation, how to draw lines marking corresponding time index? 6 Answers ...
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How to set downloading file name in ASP.NET Web API

In my ApiController class, I have following method to download a file created by server. 9 Answers ...