#programming

How to convert an integer to a hexadecimal string in C++ int number = 42;stringstream ss;ss << hex << number;// now ss.str(), which is a string, contains "2a"

Getting the UDID of an iOS device [[UIDevice currentDevice] uniqueIdentifier]

iroundf A few minutes ago I wrote a rounding function for myself in C. Probably not the best implementation, but it works all right. If you’re interested, check it out (I’ve put some sample values in the comments): int iroundf(float value){ if(value > 0.0) { int …

Getting filepath to the Documents folder on iPhone To achieve the task written in the title of this post, you have to do the following: NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsPath = [paths …

Quick Look source code preview & syntax highlighting on Mac Without much rambling, a solution for the problem presented in the title: http://code.google.com/p/qlcolorcode/ To change the color style (theme), use the following command: defaults write org.n8gray.QLColorCode hlTheme …

C/C++ trick with logical operators Let me show a nice C/C++ trick I just found out: Instead of writing: if (function1()) function2(); you could write: function1() && function2(); because the right side of the && operator is only evaluated (in this case: called), …