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What are C++ functors and their uses?
...out functors in C++. Can someone give me an overview as to what they are and in what cases they would be useful?
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Is there a generator version of `string.split()` in Python?
...rns a list instance. Is there a version that returns a generator instead? Are there any reasons against having a generator version?
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Retrieve a Fragment from a ViewPager
I'm using a ViewPager together with a FragmentStatePagerAdapter to host three different fragments:
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Should IBOutlets be strong or weak under ARC?
I am developing exclusively for iOS 5 using ARC. Should IBOutlet s to UIView s (and subclasses) be strong or weak ?
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Returning an array using C
I am relatively new to C and I need some help with methods dealing with arrays. Coming from Java programming, I am used to being able to say int [] method() in order to return an array. However, I have found out that with C you have to use pointers for arrays when you return them. Being a new progr...
Getting image dimensions without reading the entire file
Is there a cheap way to get the dimensions of an image (jpg, png, ...)? Preferably, I would like to achieve this using only the standard class library (because of hosting restrictions). I know that it should be relatively easy to read the image header and parse it myself, but it seems that something...
Why are arrays of references illegal?
The following code does not compile.
14 Answers
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Pointer to pointer clarification
I was following this tutorial about how does a pointer to a pointer work.
16 Answers
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.htaccess: Invalid command 'RewriteEngine', perhaps misspelled or defined by a module not included i
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Change key pair for ec2 instance
How do I change the key pair for my ec2 instance in AWS management console? I can stop the instance, I can create new key pair, but I don't see any link to modify the instance's key pair.
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