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UICollectionView's cellForItemAtIndexPath is not being called

... In my case, it was because my layout class incorrectly subclassed from UICollectionViewLayout instead of UICollectionViewFlowLayout share | improve this answer | fol...
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Extract month and year from a zoo::yearmon object

... Having had a similar problem with data from 1800 to now, this worked for me: data2$date=as.character(data2$date) lct <- Sys.getlocale("LC_TIME"); Sys.setlocale("LC_TIME","C") data2$date<- as.Date(data2$date, format = "%Y %m %d") # and it works ...
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Get program execution time in the shell

... you wouldn't happen to know what debian package that would come from? doesn't seem to be installed by default – ʞɔıu Dec 22 '08 at 2:42 1 ...
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Why does struct alignment depend on whether a field type is primitive or user-defined?

...d for padding so in actuality every structure is at least 16 bytes in size from the get go. if you add 16 bytes from ints and a string ref to: 0000000003e72d18 + 8 bytes EE/padding you will end up at 0000000003e72d30 and this is the staring point for string reference, and since all references are ...
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Which $_SERVER variables are safe?

...ues that the user controls and you need to be aware of where a value comes from and hence whether it can be trusted for a certain purpose. $_SERVER['HTTP_FOOBAR'] for example is entirely safe to store in a database, but I most certainly wouldn't eval it. As such, let's divide those values into thre...
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Can't connect to local MySQL server through socket '/tmp/mysql.sock

...nce all other access through the socket works fine, including other access from Python. – Old Pro May 11 '13 at 19:17 1 ...
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Calculate business days

... Here's a function from the user comments on the date() function page in the PHP manual. It's an improvement of an earlier function in the comments that adds support for leap years. Enter the starting and ending dates, along with an array of a...
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How do I use a Boolean in Python?

...tation: http://docs.python.org/library/stdtypes.html#boolean-values Quoted from doc: Boolean values are the two constant objects False and True. They are used to represent truth values (although other values can also be considered false or true). In numeric contexts (for example when used as the ar...
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Why is AJAX returning HTTP status code 0?

...d blocker) as above, if the request is interrupted (browser navigates away from the page) share | improve this answer | follow | ...
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nonlocal keyword in Python 2.x

...nd store your data as elements therein. Inner functions are not prohibited from mutating the objects that nonlocal variables refer to. To use the example from Wikipedia: def outer(): d = {'y' : 0} def inner(): d['y'] += 1 return d['y'] return inner f = outer() print(f(...