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Is String.Contains() faster than String.IndexOf()?

I have a string buffer of about 2000 characters and need to check the buffer if it contains a specific string. Will do the check in a ASP.NET 2.0 webapp for every webrequest. ...
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Why is it impossible to build a compiler that can determine if a C++ function will change the value

...int& val) { cout << "Should I change value? [Y/N] >"; string reply; cin >> reply; if (reply == "Y") { val = 42; } } share | improve this answer ...
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How do I make an asynchronous GET request in PHP?

... $val); $post_params[] = $key.'='.urlencode($val); } $post_string = implode('&', $post_params); $parts=parse_url($url); $fp = fsockopen($parts['host'], isset($parts['port'])?$parts['port']:80, $errno, $errstr, 30); $out = "POST ".$parts['path']." HT...
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Is sizeof(bool) defined in the C++ language standard?

...ndard puts notable emphasis on this fact. §5.3.3/1, abridged: sizeof(char), sizeof(signed char) and sizeof(unsigned char) are 1; the result of sizeof applied to any other fundamental type is implementation-defined. [Note: in particular, sizeof(bool) and sizeof(wchar_t) are implementation-defin...
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Is there an expression for an infinite generator?

... knowing the syntax of iter (here with extra sentinel) and the syntax of lambda (here without any passed parameters, just return 0), the only place to hate is that enigmatic g1. – Sławomir Lenart Mar 11 '19 at 17:56 ...
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Programmer Puzzle: Encoding a chess board state throughout a game

...e { private final Node left; private final Node right; private final String label; private final int weight; private Node(String label, int weight) { this.left = null; this.right = null; this.label = label; this.weight = weight; } public Node(Node left, Node right) { ...
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Start thread with member function

...t;< "i am member1" << std::endl; } void member2(const char *arg1, unsigned arg2) { std::cout << "i am member2 and my first arg is (" << arg1 << ") and second arg is (" << arg2 << ")" << std::endl; } std::thread member1Thr...
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How to generate a random number in C++?

...in a random generator in this way: #include <iostream> #include <string> // Used in randomization #include <ctime> #include <boost/random/mersenne_twister.hpp> #include <boost/random/uniform_int_distribution.hpp> #include <boost/random/variate_generator.hpp> us...
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How can I grep for a string that begins with a dash/hyphen?

I want to grep for the string that starts with a dash/hyphen, like -X , in a file, but it's confusing this as a command line argument. ...
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How to sort in-place using the merge sort algorithm?

...rrays only actually contain single words per element, e.g., a pointer to a string or structure) to trade off some space for time and have a separate temporary array that you sort back and forth between. share | ...