Can anyone direct me to an on-line resource that includes examples of how to use specific Cocoa commands? (Are things like - (NSString *)capitalizedString called 'commands' or should I call them something else?) It's often so much easier to understand how it works by seeing an example.

I would like, for example, to see that

- (NSString *)capitalizedString

..is available for use and that an example of its use might be:

[textField1 setStringValue:[[textField2 stringValue] capitalizedString]];


or
NSString *string = @"tHe uniVERSity of TEXAS"; NSString *capstring = [string capitalizedString];

(The above example I found at http://www.macdevcenter.com/pub/a/mac/2001/07/13/cocoa.html?page=last&x-order=date&x-maxdepth=0 after a brief trawl)


I realise I can Google 'capitalizedString' and start going through the 917 results to see which links contain examples and then try to extract the example that are Cocoa but this seems a very slow and cumbersome way of finding the answer - especially if I have to do it for every single command I'm trying to study.

For example, these from Google are (presumably!) not Cocoa:
set contents of text field "inputField" of window "myWindow" to call method "capitalizedString" of (contents of text field "inputField" of window "myWindow"
myString.capitalizedString()
pbString := pbString capitalizedString.
etc.
If someone can recommend a searchable resource, the first thing I'll be looking up is stringWithContentsOfFile:encoding:error: (I would have used this as an example above but can't find an example of its usage!)
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