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Declaration/definition of variables locations in ObjectiveC?
...u were able to access these variables only in your implementation, but not from other classes. To do that, you had to declare accessor methods, that look something like this:
// MyClass.h
@interface MyClass : NSObject {
int myVar;
}
- (int)myVar;
- (void)setMyVar:(int)newVar;
@end
// MyClas...
What's the magic of “-” (a dash) in command-line parameters?
...command, every time you change directory, it stores the directory you came from. If you do cd with the special - "directory name", it uses that remembered directory instead of a real one. You can easily switch between two directories quite quickly by using that.
Other commands may treat - as a diff...
Adding the “Clear” Button to an iPhone UITextField
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You can also set this directly from Interface Builder under the Attributes Inspector.
Taken from XCode 5.1
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How do I pick 2 random items from a Python set? [duplicate]
I currently have a Python set of n size where n >= 0. Is there a quick 1 or 2 lines Python solution to do it? For example, the set will look like:
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LINUX: Link all files from one to another directory [closed]
I want to link ( ln -s ) all files that are in /mnt/usr/lib/ into /usr/lib/
4 Answers
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How do I turn off the output from tar commands on Unix? [closed]
I had a look at the options, but nothing seemed obvious as a manner in which to turn off the output when uncompressing a file. The below is the code I am currently using... I just need the option to switch off the output.
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How to update a mongo record using Rogue with MongoCaseClassField when case class contains a scala E
I am upgrading existing code from Rogue 1.1.8 to 2.0.0 and lift-mongodb-record from 2.4-M5 to 2.5 .
1 Answer
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C++ convert from 1 char to string? [closed]
I need to cast only 1 char to string . The opposite way is pretty simple like str[0] .
2 Answers
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Draw text in OpenGL ES
...swer is better. That's what I'm currently using. The reason why you switch from standard android vier+canvas to opengl is (amongst others) for speed. Adding a text box over your opengl sort of negates that.
– Shivan Dragon
Feb 18 '12 at 9:19
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How do I get the directory from a file's full path?
What is the simplest way to get the directory that a file is in? I'm using this to set a working directory.
12 Answers
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