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Sending a message to nil in Objective-C
As a Java developer who is reading Apple's Objective-C 2.0 documentation: I wonder what " sending a message to nil " means - let alone how it is actually useful. Taking an excerpt from the documentation:
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Using sphinx with Markdown instead of RST
I hate RST but love sphinx. Is there a way that sphinx reads markdown instead of reStructuredText?
10 Answers
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Getting rid of all the rounded corners in Twitter Bootstrap
I love Twitter Bootstrap 2.0 - I love how it's such a complete library... but I want to make a global modification for a very boxy-not-round site, which is to get rid of all the rounded corners in Bootstrap...
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Hibernate, @SequenceGenerator and allocationSize
We all know the default behaviour of Hibernate when using @SequenceGenerator - it increases real database sequence by one , multiple this value by 50 (default allocationSize value) - and then uses this value as entity ID.
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Setting default permissions for newly created files and sub-directories under a directory in Linux?
I have a bunch of long-running scripts and applications that are storing output results in a directory shared amongst a few users. I would like a way to make sure that every file and directory created under this shared directory automatically had u=rwxg=rwxo=r permissions.
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How do I display an alert dialog on Android?
I want to display a dialog/popup window with a message to the user that shows "Are you sure you want to delete this entry?" with one button that says 'Delete'. When Delete is touched, it should delete that entry, otherwise nothing.
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Anti forgery token is meant for user “” but the current user is “username”
I'm building a single page application and experiencing an issue with anti-forgery tokens.
10 Answers
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How to articulate the difference between asynchronous and parallel programming?
Many platforms promote asynchrony and parallelism as means for improving responsiveness. I understand the difference generally, but often find it difficult to articulate in my own mind, as well as for others.
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Extract elements of list at odd positions
So I want to create a list which is a sublist of some existing list.
5 Answers
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Mongoimport of json file
I have a json file consisting of about 2000 records. Each record which will correspond to a document in the mongo database is formatted as follows:
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