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UICollectionView spacing margins

...tos. I have created the collectionview using UICollectionViewFlowLayout . It works good but I would like to have spacing on margins. Is it possible to do that using UICollectionViewFlowLayout or must I implement my own UICollectionViewLayout ? ...
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Extracting extension from filename in Python

... Yes. Use os.path.splitext(see Python 2.X documentation or Python 3.X documentation): >>> import os >>> filename, file_extension = os.path.splitext('/path/to/somefile.ext') >>> filename '/path/to/somefile' >>>...
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How to get a resource id with a known resource name?

I want to access a resource like a String or a Drawable by its name and not its int id. 10 Answers ...
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How to remove “disabled” attribute using jQuery?

... or disable elements when using jQuery (see below for why). In your case, it would be: $("#edit").click(function(event){ event.preventDefault(); $('.inputDisabled').prop("disabled", false); // Element(s) are now enabled. }); jsFiddle example here. Why use prop() when you could use at...
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Android: Clear the back stack

In Android I have some activities, let's say A, B, C. 38 Answers 38 ...
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How to remove all the occurrences of a char in c++ string

... Basically, replace replaces a character with another and '' is not a character. What you're looking for is erase. See this question which answers the same problem. In your case: #include <algorithm> str.erase(std::remove(str.begin(), str.end(), 'a'), str.end...
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How to “inverse match” with regex?

I'm using RegexBuddy but I'm in trouble anyway with this thing :\ 9 Answers 9 ...
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Opposite of %in%: exclude rows with values specified in a vector

... use `%not in%` <- function (x, table) is.na(match(x, table, nomatch=NA_integer_)) Another way is: function (x, table) match(x, table, nomatch = 0L) == 0L share | improve this answer ...
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join list of lists in python [duplicate]

Is the a short syntax for joining a list of lists into a single list( or iterator) in python? 15 Answers ...
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Generate a random alphanumeric string in Cocoa

I want to call a method, pass it the length and have it generate a random alphanumeric string. 20 Answers ...