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C: Run a System Command and Get Output? [duplicate]

... parameter - command would be fine. What they don't do is take the entire string and pass it to a shell interpreter thereby allowing you to perform shell-style redirections, etc. It is therefore impossible to use exec in the manner described to achieve the OP's goal. – Alnita...
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When do we have to use copy constructors?

...st an example, but you should point out the better solution is to use std::string. The general idea is that only utility classes that manage resources need to overload the Big Three, and that all other classes should just use those utility classes, removing the need to define any of the Big Three. ...
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Dependency Inject (DI) “friendly” library

... { SqlConnection connection = new SqlConnection("some connection string"); WindowsIdentity identity = WindowsIdentity.GetCurrent(); // Do something with connection and identity variables } } You write it like this: public class Service { public Service(IDbConnect...
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Which iomanip manipulators are 'sticky'?

I recently had a problem creating a stringstream due to the fact that I incorrectly assumed std::setw() would affect the stringstream for every insertion, until I changed it explicitly. However, it is always unset after the insertion. ...
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Which HTML Parser is the best? [closed]

... after. Its party trick is a CSS selector syntax to find elements, e.g.: String html = "<html><head><title>First parse</title></head>" + "<body><p>Parsed HTML into a doc.</p></body></html>"; Document doc = Jsoup.parse(html); Elements li...
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Http 415 Unsupported Media type error with JSON

...t to be set in the Content-Type. My guess is that they're checking if the string "application/json; charset=utf-8" == "application/json". That being said, JSON must be utf-8 so it's perfectly valid to leave out the charset. – Tim Martin Mar 28 '16 at 3:39 ...
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@property retain, assign, copy, nonatomic in Objective-C

...xample: .h @interface XYZClass : NSObject @property (nonatomic, retain) NSString *name; @end .m @implementation XYZClass @synthesize name; @end Now the compiler will synthesize accessor methods for name. XYZClass *obj=[[XYZClass alloc]init]; NSString *name1=[obj name]; // get 'name' [obj setN...
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How to avoid using Select in Excel VBA

... folder. Just use Save... or hard code the file name to save it under as a string. If you can't solve this problem, you should ask a separate question about it instead of commenting. – TylerH Dec 13 '18 at 15:33 ...
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Loading and parsing a JSON file with multiple JSON objects

...th the python dict representation. You are seeing python dictionaries with strings now. – Martijn Pieters♦ Sep 16 '12 at 23:37 1 ...
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Find TODO tags in Eclipse

...earch function (Ctrl-F for ones in this file Search-->java-->search string for the ability to specify this workspace, that file, this project, etc.) share | improve this answer | ...