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Is multiplication and division using shift operators in C actually faster?
Multiplication and division can be achieved using bit operators, for example
19 Answers
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When to use nil, blank, empty? [duplicate]
Is there any guidelines on how to differentiate between .nil? , .blank? and .empty? ?
4 Answers
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What's the opposite of chr() in Ruby?
... languages there's a pair of functions, chr() and ord() , which convert between numbers and character values. In some languages, ord() is called asc() .
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Technically what is the main difference between Oracle JDK and OpenJDK? [duplicate]
I have been using OpenJDK for ages, initially for small projects where it has no problems. But since I started to play with it for big toys, I started to notice random/unknown fatal error and crashes (with H.264 codecs, etc.), and it was a nightmare till then to get ride of system crash+fatal errors...
How to implement a queue using two stacks?
Suppose we have two stacks and no other temporary variable.
20 Answers
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Find TODO tags in Eclipse
... methods were auto-generated and include // TODO Auto-generated method stub
5 Answers
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Is cout synchronized/thread-safe?
...ng. However, do things like cout get special treatment in the standard library?
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How to unzip a list of tuples into individual lists? [duplicate]
...nts from all inputs, starting with the first values, then the second, etc. By using *l you apply all tuples in l as separate arguments to the zip() function, so zip() pairs up 1 with 3 with 8 first, then 2 with 4 and 9. Those happen to correspond nicely with the columns, or the transposition of l.
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Passing Data between View Controllers
I'm new to iOS and Objective-C and the whole MVC paradigm and I'm stuck with the following:
46 Answers
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