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Here is a quick fix to get rid of gray background color on grouped style UITableView. if ([tableView respondsToSelector:@selector(backgrou...

Here is an example of reversing a NSArray/NSMutableArray     NSString *string = @"a,b,c,d,e,f,g,h,i,j,k";     NSArray *array = ...

Here is a simple way to put  double quotes in your NSString NSString *myString = @"I say \"Hello!\""; The output will...

Here is a simple method to generate a random color :- just put this method in any class you want and put the definition in the header file ...

From the documentation for UIKeyboardBoundsUserInfoKey : The key for an NSValue object containing a CGRect that identifies the bounds ...

If you do not want your application to remain in the background when it is quit, you can explicitly opt out of the background execution mod...

here is a simple way to customize the UISlider images UIImage *stetchLeftTrack = [[UIImage imageNamed:@"left-slide.png"]        ...

Here is a simple delegate method to limit the characters in UITextfield :- - (BOOL)textField:(UITextField *)textField shouldChangeCharacte...

NSMutableArray (and all other classes with Mutable in the name) can be modified. So, if you create a plain NSArray , you cannot change it...

Signed Data Type - a signed data type is one that can hold both positive or negative values, i.e. -1 or +456. A 32 bit signed integer can ...