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Why does Apple recommend to use dispatch_once for implementing the singleton pattern under ARC?
What's the exact reason for using dispatch_once in the shared instance accessor of a singleton under ARC?
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JavaScript, get date of the next day [duplicate]
I have the following script which returns the next day:
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How to define custom exception class in Java, the easiest way?
I'm trying to define my own exception class the easiest way, and this is what I'm getting:
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How to delete a remote tag?
How do you delete a Git tag that has already been pushed?
21 Answers
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100% Min Height CSS layout
In particular if you have a layout with a header and footer of fixed height ,
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How to export revision history from mercurial or git to cvs?
I'm going to be working with other people on code from a project that uses cvs. We want to use a distributed vcs to make our work and when we finish or maybe every once in a while we want to commit our code and all of our revision history to cvs. We don't have write access to the project's cvs repo ...
How do you add CSS with Javascript?
How do you add CSS rules (eg strong { color: red } ) by use of Javascript?
14 Answers
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How does the socket API accept() function work?
The socket API is the de-facto standard for TCP/IP and UDP/IP communications (that is, networking code as we know it). However, one of its core functions, accept() is a bit magical.
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How can I add a third button to an Android Alert Dialog?
The API says that the Alert Dialog can have one, two or three buttons, but the SDK only allows for a positive and negative button. How then can I add a third button?
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Numpy: Get random set of rows from 2D array
I have a very large 2D array which looks something like this:
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