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Determine a user's timezone

...en has daylight savings. Why not use this instead: >>> date.toTimeString() "15:46:04 GMT+1200 (New Zealand Standard Time)" – Keyo Aug 30 '12 at 3:49 20 ...
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How to escape the % (percent) sign in C's printf?

...en compiled. printf is a run-time function, so it deals with bytes of your string, not with C source code, and it has its own escape sequences that are parts of the function. In short, printf is a "language inside a language", and printf("This is a's value: %s\n", a); gives the same result as printf...
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How to find the operating system version using JavaScript?

...a')) != -1) { browser = 'Opera'; version = nAgt.substring(verOffset + 6); if ((verOffset = nAgt.indexOf('Version')) != -1) { version = nAgt.substring(verOffset + 8); } } // Opera Next if ((verOffset = nAgt.indexO...
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How to display a dynamically allocated array in the Visual Studio debugger?

... in MSDN. In short, you can display a character array as several types of string. If you've got an array declared as: char *a = new char[10]; You could print it as a unicode string in the watch window with the following: a,su See the tables on the MSDN page for all of the different conversion...
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How do I find out if first character of a string is a number?

In Java is there a way to find out if first character of a string is a number? 5 Answers ...
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How do I concatenate multiple C++ strings on one line?

... #include <sstream> #include <string> std::stringstream ss; ss << "Hello, world, " << myInt << niceToSeeYouString; std::string s = ss.str(); Take a look at this Guru Of The Week article from Herb Sutter: The String Formatters of Ma...
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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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SSH to Elastic Beanstalk instance

... access. The below will lock it down to only allow ingress from a specific IP address. SSH | tcp | 22 | 22 | 192.168.1.1/32 Configure the environment of your Elastic Beanstalk Application If you haven't made a key pair yet, make one by clicking Key Pairs below Security Group in the ec2 tab. In...
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Error “initializer element is not constant” when trying to initialize variable with const

...n object that has static storage duration shall be constant expressions or string literals. In section 6.6, the spec defines what must considered a constant expression. No where does it state that a const variable must be considered a constant expression. It is legal for a compiler to extend thi...
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String concatenation: concat() vs “+” operator

Assuming String a and b: 11 Answers 11 ...