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Have you tried this? NSImage * image = [[NSImage alloc] initWithSize:[imageRep size]]; [image addRepresentation: imageRep];

gcc -framework OpenGL -framework GLUT -lobjc main.c

When you compile from the terminal, you have to add -framework OpenGL to your linker flags.

Use osascript to run applescripts, particularly one including the 'display dialog' command.

The quick and dirty way is to drag an NSNumberFormatter from the palette in IB into the Classes area of your nib, then connect the text field's formatter outlet to it. Then instead of using setStringValue, you can do [readout setDoubleValue:X]

From what I could glean through the Apple Developer Documentation and a few Google searches, no such functionality exists. The general solution is to check each file for modification each time the application reactivates, since it is presumed that a user would be changing files around only...

If it's a Cocoa object, you can make a copy with [myObject copy]. If it's your own custom object, you have to implement its method -(id) copyWithZone:(NSZone *)zone before you can use [myObject copy]. The default behavior of -copy is to call -copyWithZone: so you don't need to override -copy...

Setting up the tabbing order is fairly easy. Connect the 'nextKeyView' outlet of each field to the field that should follow it in the order. It's also advisable to link in buttons and other interface elements, so that Full Keyboard Access users can access them. They will be skipped if FKA is...

You shouldn't move any of that to your window controller object. Its job should be to create and manage windows for the document, nothing more. If it needs data that the document maintains, it should query the document for it via accessors whenever it is needed, rather than having to go about...

Instead of maintaining two separate arrays for each of your document and your data source, why not instead have your data source query the document for its array whenever it is needed? You can make the connection between the two objects in Interface Builder. If you've got it set up right, the...

I have no sample code, but this is an easy problem. You must set an object as the tableview's delegate, and you must implement this method on the delegate. - (void) tableViewSelectionDidChange:(NSNotification *)note

Xcode provides a means to manage projects more complex than one or two source files, and aggregate products such as applications which include bundle resources, localized text, and other nifty stuff that makes OS X great. An Xcode project requires 'targets' which tell it how to compile and...

Many Cocoa objects such as NSString and NSValue implement the compare: method, which does the same -1/0/1 thing as slur described. You can use this with sortedArrayUsingSelector: to sort an array of such objects. You can also implement compare: on your own classes to make them sortable.

NSScanner

You can use C++ iostreams to read from the file - since the default value delimiter is tabs, whitespace, and newlines, you should be able to simply read one value at a time using the >> operator.

To avoid that warning and its assciated slow compile time, run this command in terminal sudo fixPrecomps This rebuilds the out-of-date precompiled header files, including Carbon.p. If you're doing C++ development, you might as well sudo fixPrecomps -gcc3all So that the Obj-C++...

The NSTextStorage doesn't manage the selection; the NSTextView does. The methods in question are -setSelectedRange: and -selectedRange, the latter is adopted by NSTextView as part of the NSTextInput protocol.

You can't get at the NSTextStorage from IB. You'll have to do it in code, preferably in your controller object's -awakeFromNib

Here's one thing you could do: Set the class of the "File's Owner" in each of your nibs to your class. Make all necessary connections to File's Owner now that it will be the instance of your class. Then, when you load the nib using loadNibNamed:owner:, pass in the same one instance of that...

Compiler header files are kept in /usr/include. So, your socket.h would be /usr/include/sys/socket.h Also, sockaddr_in is defined in <netinet/in.h>