Cocoa2010-09-24
Web Services in Mac Cocoa Programming
Web services are simply an HTTP request and response whereby each may be carrying XML data. So using a Web service from Cocoa is simply a matter of being able to send HTTP requests
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Cocoa2010-09-24
Weak References in Mac Cocoa Programming
Sometimes, you will want to have an object pointer that should point to that object as long as it exists, but you do not want that pointer to prevent the garbage collector from dea
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Garbage Collector in Cocoa Programming in Mac
As long as you use only Objective-C objects, the garbage collector will do exactly what you want, without your needing to think about it. However, as soon as you start to malloc C
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Using NSOpenGLView in Cocoa Programming in Mac
NSOpenGLView is an NSView subclass that has an OpenGL drawing context. Just as you needed the focus locked on a view to do drawing with Quartz, so the OpenGL drawing context must b
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Multithreading versus Multiprocessing in Mac OS X.
Multithreading gets a lot of hype because it enables you to take advantage of multiple processors and cores. Multithreading can also ensure that your application stays responsive w
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Listing of files in a zip file in Mac OS X.
You can use the /usr/bin/zipinfo tool for looking at the contents of a zip file. Find a zip file on your machine, and try running zipinfo in the Terminal like this (-1 is dash-one,
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Cocoa2010-09-24
Listing of files in a tar file in Mac OS X.
The zipinfo tool gives a listing of files in a zip file. You can get a similar listing for tar files by using the command line tar:
Read tutorialiPhone2010-09-06
Making an FTP Connection in iPhone Application
The CFFTP API is similar to the CFHTTP API, and relies on read streams to transmit FTP data. To create an FTP request, use the CFReadStreamCreateWithFTPURL function, as shown below
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Making an HTTP Connection in iPhone Application
You can use the CFHTTP API to create an HTTP request. This allows you to easily invoke HTTP GET, HEAD, PUT, POST, and most other standard requests. Creating a request involves the
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Directory Structure for iPhone Applications
Apple came up with an elegant way to contain applications in their operating system. As OS X is a Unix-based platform, Apple wanted to make it adhere to basic Unix file conventions
Read tutorialCocoa2010-09-03
Life Cycle of a Cocoa Application
Let's briefly discuss the chronology of an application: When the process is started, it runs the NSApplicationMain function, which creates an instance of NSApplication. The applica
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Frameworks in Cocoa Programming
A framework is a collection of classes that are intended to be used together. In other words, the classes are compiled together into a reusable library of code. Any related resourc
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