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What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
I was going through the release notes for Xcode 4.4 and noticed this:
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How is it possible to declare nothing inside main() in C++ and yet have a working application after
In an interview I was confronted with a question such as this:
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Increment a database field by 1
... of say logins, how would I go about updating that field by 1 within a sql command?
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How to limit depth for recursive file list?
Is there a way to limit the depth of a recursive file listing in linux?
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How to get Core Data object from specific Object ID?
I can easily get an object's ID in Core Data using the following code:
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Redis is single-threaded, then how does it do concurrent I/O?
Trying to grasp some basics of Redis I came across an interesting blog post .
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When should I use File.separator and when File.pathSeparator?
In the File class there are two strings, separator and pathSeparator .
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What does “%.*s” mean in printf?
I got a code snippet in which there is a
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Markdown vs markup - are they related?
...ted? Please explain. If I want to implement one or the other in a web project (like stackoverflow) what do I need to use?
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