大约有 18,616 项符合查询结果(耗时:0.0397秒) [XML]

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NSObject +load and +initialize - What do they do?

I'm interested in understanding the circumstances leading a developer to override +initialize or +load. Documentation makes it clear these methods are called for you by the Objective-C runtime, but that's really all that is clear from the documentation of those methods. :-) ...
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What's the difference between IEquatable and just overriding Object.Equals()?

I want my Food class to be able to test whenever it is equal to another instance of Food . I will later use it against a List, and I want to use its List.Contains() method. Should I implement IEquatable<Food> or just override Object.Equals() ? From MSDN: ...
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How to assign name for a screen? [closed]

I'm using the screen multiplexer tool on the command shell and open a lot of screens. I then forget which process ID associates with which task. ...
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How to start two threads at “exactly” the same time

The threads should start at same split second. I understand, if you do thread1.start() , it will take some milliseconds before the next execution of thread2.start() . ...
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Preferred way of loading resources in Java

I would like to know the best way of loading a resource in Java: 5 Answers 5 ...
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Difference between $(this) and event.target?

I'm new to jQuery, and was making tabbed panels, following the tutorial in JavaScript and jQuery : The Missing Manual , there's that first line when the author does this : ...
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grant remote access of MySQL database from any IP address

I am aware of this command: 21 Answers 21 ...
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Why not abstract fields?

Why can't Java classes have abstract fields like they can have abstract methods? 5 Answers ...
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How to reference style attributes from a drawable?

I want to have 2 selectable themes for my application. In order to do that, I defined some attributes, like this: 5 Answers...
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Does python have an equivalent to Java Class.forName()?

I have the need to take a string argument and create an object of the class named in that string in Python. In Java, I would use Class.forName().newInstance() . Is there an equivalent in Python? ...