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What is base 64 encoding used for?
I've heard people talking about "base 64 encoding" here and there. What is it used for?
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Database cluster and load balancing
What is database clustering? If you allow the same database to be on 2 different servers how do they keep the data between synchronized. And how does this differ from load balancing from a database server perspective?
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When to use Hadoop, HBase, Hive and Pig?
What are the benefits of using either Hadoop or HBase or Hive ?
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Is either GET or POST more secure than the other?
When comparing an HTTP GET to an HTTP POST, what are the differences from a security perspective? Is one of the choices inherently more secure than the other? If so, why?
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Override Java System.currentTimeMillis for testing time sensitive code
Is there a way, either in code or with JVM arguments, to override the current time, as presented via System.currentTimeMillis , other than manually changing the system clock on the host machine?
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Multiprocessing: How to use Pool.map on a function defined in a class?
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Remove element of a regular array
I have an array of Foo objects. How do I remove the second element of the array?
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NSOperation vs Grand Central Dispatch
I'm learning about concurrent programming for iOS. So far I've read about NSOperation/NSOperationQueue and GCD . What are the reasons for using NSOperationQueue over GCD and vice versa?
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Casting vs using the 'as' keyword in the CLR
When programming interfaces, I've found I'm doing a lot of casting or object type conversion.
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How to check if a view controller is presented modally or pushed on a navigation stack?
How can I, in my view controller code, differentiate between:
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