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C library function to perform sort

...return 1; if (f < s) return -1; return 0; } int main(int argc, char* argv[]) { int x[] = {4,5,2,3,1,0,9,8,6,7}; qsort (x, sizeof(x)/sizeof(*x), sizeof(*x), comp); for (int i = 0 ; i < 10 ; i++) printf ("%d ", x[i]); return 0; } ...
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What is the proper declaration of main?

... main that must be allowed: int main() // (1) int main(int, char*[]) // (2) In (1), there are no parameters. In (2), there are two parameters and they are conventionally named argc and argv, respectively. argv is a pointer to an array of C strings representing the arguments to...
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How do I get a consistent byte representation of strings in C# without manually specifying an encodi

...e[] GetBytes(string str) { byte[] bytes = new byte[str.Length * sizeof(char)]; System.Buffer.BlockCopy(str.ToCharArray(), 0, bytes, 0, bytes.Length); return bytes; } // Do NOT use on arbitrary bytes; only use on GetBytes's output on the SAME system static string GetString(byte[] bytes) ...
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How to get the position of a character in Python?

How can I get the position of a character inside a string in python? 9 Answers 9 ...
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Why isn't sizeof for a struct equal to the sum of sizeof of each member?

...bytes */ /* 2 padding bytes */ int i; /* 4 bytes */ char c; /* 1 byte */ /* 3 padding bytes */ }; struct Y { int i; /* 4 bytes */ char c; /* 1 byte */ /* 1 padding byte */ short s; /* 2 bytes */ }; struct Z { int i; /* 4 bytes ...
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How to know what the 'errno' means?

... threads. MT, in MT-Safe, stands for Multi Thread. -p26, The GNU C Library char * strerror(int errnum ) [Function] Preliminary: | MT-Unsafe race:strerror | AS-Unsafe heap i18n | AC-Unsafe mem | See Section 1.2.2.1 [POSIX Safety Concepts], page 2. -p58, The GNU C Library – user...
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Parameterize an SQL IN clause

... Here's a quick-and-dirty technique I have used: SELECT * FROM Tags WHERE '|ruby|rails|scruffy|rubyonrails|' LIKE '%|' + Name + '|%' So here's the C# code: string[] tags = new string[] { "ruby", "rails", "scruffy", "rubyonrails" }; const string cmdText = "select * from t...
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C++ multiline string literal

...act that adjacent string literals are concatenated by the compiler: const char *text = "This text is pretty long, but will be " "concatenated into just a single string. " "The disadvantage is that you have to quote " "each part, and newlines must be literal as " "usual."; The indentatio...
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Code for decoding/encoding a modified base64 URL

... Won't this add up to three '=' chars? It appears that there will only be 0, 1, or 2 of these. – Kirk Liemohn Aug 4 '09 at 17:10 1 ...
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DBMS_OUTPUT.PUT_LINE not printing

...tion i want it to (firstName, lastName) and then the other values from the select query in a table below. 6 Answers ...