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Closed 10 years ago.
Can any one tell me why Objective-C is called a "run-time language"
Technically, it's not a runtime language-- it is, however, a runtime oriented language.
Objective-C is a runtime oriented language, which means that when it's possible it defers
decisions about what will actually be executed from compile & link time to when it's
actually executing on the runtime.
From here.
Related
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Closed 9 years ago.
Is the following line in objective-c compiles like in C?
a=b=1;
Yes, it works the same as in C.
Objective-C is a superset of C, so everything that works in C works in Objective-C.
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Closed 10 years ago.
When I am trying to use round_page() function in my project, it stops compiling and says that there is linker problem. What am i doing wrong?
Sorry, I realized that i just had to include mach/mach-init.h
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Closed 10 years ago.
I downloaded the source code for RabbitMQ-C from GitHub. It's written in C. Can I use this library for iOS 5 apps? How?
I wrote a wrapper for ios5, disabled ARC, and rewrote a few vars definitions. It is all working now. :D I might write a bit more about this problem if I find the time.
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Closed 10 years ago.
Here's more explanation.
- (NSArray *)shipsAtPoint:(CGPoint)bomblocation withDamage:(BOOL)damaged;
How to send that?
You'll want to read The Objective-C Programming Language, which you'll find in the Xcode docs.
[objectIWantToSendTheMessageTo shipsAtPont:somePoint withDamage:YES];
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Closed 12 years ago.
What is message in objective-c?
Messages in Objective-C are akin to method calls in C++.
In Objective-C, you don't call a method, you send a message.
If you're at that level of understanding/bemusement, then I'd recommend a read of Apple's excellent "Introduction to The Objective-C Programming Language", as you really need to understand some of the basics before you get any further.
In essence, a message is effectively a method call in Objective-C. (Instead of passing arguments to a method, you "send a message".)