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SVG get text element width

...a try. I decided to generate constant values for each individual printable character. Normally this would be kind of tedious, but luckily Firefox happens to be super accurate. Here is my two part brute force solution: <body> <script> var div = doc...
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How to Calculate Execution Time of a Code Snippet in C++

...;boost/progress.hpp> using namespace boost; int main (int argc, const char * argv[]) { progress_timer timer; // do stuff, preferably in a 100x loop to make it take longer. return 0; } When progress_timer goes out of scope it will print out the time elapsed since its creation. UPDATE:...
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What is the difference between cout, cerr, clog of iostream header in c++? When to use which one?

...minal is historically slow (terminals or consoles are still slow), writing character by character is ineffective, writing a chunk of bytes is much more effective. – Some programmer dude Apr 4 '18 at 17:23 ...
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Efficient way to return a std::vector in c++

... vector<string> getseq(char * db_file) And if you want to print it on main() you should do it in a loop. int main() { vector<string> str_vec = getseq(argv[1]); for(vector<string>::iterator it = str_vec.begin(); it != str_ve...
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How to write iOS app purely in C

... full function declaration, like this: // int UIApplicationMain (int argc, char *argv[], NSString *principalClassName, NSString *delegateClassName); // So, we rely on the fact that for both the i386 & ARM architectures, // the registers for parameters passed in remain the same whether or not /...
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What is the maximum number of characters that nvarchar(MAX) will hold?

I'm new to the concept nvarchar(MAX) . How many characters will it hold? 3 Answers 3 ...
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No visible cause for “Unexpected token ILLEGAL”

...e error is raised if, for example, you try to run a js file with a rogue @ character, a misplaced curly brace, bracket, "smart quotes", single quotes not enclosed properly (e.g. this.run('dev1)) and so on. A lot of different situations can cause this error. But if you don't have any obvious syntax ...
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How can I negate the return-value of a process?

...#include <sys/wait.h> #include "stderr.h" #ifndef lint static const char sccs[] = "@(#)$Id: not.c,v 4.2 2005/06/22 19:44:07 jleffler Exp $"; #endif int main(int argc, char **argv) { int pid; int corpse; int status; err_setarg0(argv[0]); ...
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How can I output the value of an enum class in C++11

...;< together, with the error error: cannot bind ‘std::basic_ostream<char>’ lvalue to ‘std::basic_ostream<char>&&’. this appears to be because when the stream is temporary, the ADL fails, and the above template is not a possibility. any tips? – of...
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How can I pass a member function where a free function is expected?

...n<void(int, int)> fun) { fun(1, 1); } int main (int argc, const char * argv[]) { ... aClass a; auto fp = std::bind(&aClass::test, a, _1, _2); function1(fp); return 0; } share | ...