Posts

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 …

LOLCODE LOL, today I found this article on wikipedia about this AWSUM programming language called COLCODE. Here’s an example code: HAICAN HAS STDIO?PLZ OPEN FILE "LOLCATS.TXT"? AWSUM THX VISIBLE FILE O NOES INVISIBLE "ERROR!"KTHXBYE Here you can also check out the official …

Custom title bar right from the app launch Sometimes the devtools don’t follow exactly the same logic that we, developers do. For example, when I wanted to change the color of the title bar (we are talking about iPhone development, by the way :-]), setting the corresponding …

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), …

XML-formatters Sometimes an XML-formatter can come handy. Let me recommend an online and an offline solution for you: Online: The XML Prettymaker Offline: xmlformat

A very simple way to load a webpage with Cocoa NSError *error = [[NSError alloc] init];NSURL *url = [NSURL URLWithString:@"http://www.google.com/"];NSString *content = [NSString stringWithContentsOfURL:url encoding:NSUTF8StringEncoding error:&error];

Clean & rebuild Oh, boy. I’d been struggling with this for a while. I loaded a view from a nib, and my app kept crashing with an exception saying: loaded the “foo” nib but the view outlet was not set. I was like WTH, I definitely connected the view outlet to the …

NSTimer invalidate When you create an NSTimer, and specify it to be a non-repeat timer, you don’t have to invalidate it after it fired. When you created a repeating timer, you send the invalidate message to it to remove it from the NSRunLoop object it was added to, and thus …

Xcode Color Themes Finally I have OS X back and running, set Xcode up to be able to start develop for the iPhone. It might sound stupid, but for me the color theme of the text editor makes a lot of difference. I mean, since the colors have an effect on my mood, personally I find …