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Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?
...ere's nothing wrong with that statement; you're just multiplying 4 numbers and assigning it to an int, there just happens to be an overflow. This is different than assigning a single literal, which would be bounds-checked at compile-time.
It is the out-of-bounds literal that causes the error, not t...
Access-Control-Allow-Origin wildcard subdomains, ports and protocols
I'm trying to enable CORS for all subdomains, ports and protocol.
11 Answers
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How does database indexing work? [closed]
...a section for data, a pointer to the location of the next node (or block), and both need not be stored contiguously.
Due to the fact that a number of records can only be sorted on one field, we can state that searching on a field that isn’t sorted requires a Linear Search which requires N/2 block...
Why are side-effects modeled as monads in Haskell?
...tion has side effects. If we take all the effects it produces as the input and output parameters, then the function is pure to the outside world.
So, for an impure function
f' :: Int -> Int
we add the RealWorld to the consideration
f :: Int -> RealWorld -> (Int, RealWorld)
-- input some st...
Why doesn't Ruby support i++ or i-- (increment/decrement operators)?
The pre/post increment/decrement operator ( ++ and -- ) are pretty standard programing language syntax (for procedural and object-oriented languages, at least).
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Is it possible to target older iOS versions when using Xcode 4.2 and iOS 5 SDK?
I just recently downloaded the Xcode 4.2 with iOS 5 SDK package and I immediately noticed that I am unable to use my iPhone 3Gs with iOS 4.2.1 for debugging. I am only able to debug and test on my iphone 4 with iOS 5 installed.
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Including one C source file in another?
...mplex, performance critical subsystem with a fairly small public interface and a lot of non-reusable implementation code. The code runs to several thousand lines, a hundred or so private functions and quite a bit of private data. If you work with non-trivial embedded systems, you probably deal with ...
How do I create a namespace package in Python?
...aries as separate downloads. For example, with the directories Package-1 and Package-2 in PYTHONPATH ,
5 Answers
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How can I access and process nested objects, arrays or JSON?
I have a nested data structure containing objects and arrays. How can I extract the information, i.e. access a specific or multiple values (or keys)?
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How can I use Homebrew to install both Python 2 and 3 on Mac?
I need to be able to switch back and forth between Python 2 and 3. How do I do that using Homebrew as I don't want to mess with path and get into trouble.
Right now I have 2.7 installed through Homebrew.
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