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UICollectionView Set number of columns

...[self.myCollectionView.collectionViewLayout invalidateLayout]; } Additionally, here are 2 really good tutorials on UICollectionViews: http://www.raywenderlich.com/22324/beginning-uicollectionview-in-ios-6-part-12 http://skeuo.com/uicollectionview-custom-layout-tutorial ...
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django - why is the request.POST object immutable?

... It's a bit of a mystery, isn't it? Several superficially plausible theories turn out to be wrong on investigation: So that the POST object doesn't have to implement mutation methods? No: the POST object belongs to the django.http.QueryDict class, which implements a full set ...
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Stop pip from failing on single package when installing with requirements.txt

I am installing packages from requirements.txt 6 Answers 6 ...
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Python - Create a list with initial capacity

...bject %d" % ( i, ) result.append(message) return result def doAllocate( size=10000 ): result=size*[None] for i in range(size): message= "some unique object %d" % ( i, ) result[i]= message return result Results. (evaluate each function 144 times and average ...
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Is there a typical state machine implementation pattern?

... Really nice touch how NUM_STATES is defined. – Albin Stigo Dec 19 '15 at 19:38  | ...
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Separation of business logic and data access in django

...de is confusing and, after a certain time, I cease to understand what is really happening. 10 Answers ...
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Should all Python classes extend object?

...inheritance are different in ways that I won't even try to summarize here. All good documentation that I've seen about MI describes new-style classes. Finally, old-style classes have disappeared in Python 3, and inheritance from object has become implicit. So, always prefer new style classes unless...
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How to convert a Django QuerySet to a list

... Why not just call list() on the Queryset? answers_list = list(answers) This will also evaluate the QuerySet/run the query. You can then remove/add from that list. ...
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Ignore python multiple return value

...add gettext functionality to someone else's code (that defines a function called '_') so it should be banned – nosklo Jan 11 '09 at 13:32 28 ...
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How to list all properties of a PowerShell object

...nstructions that can affect either the table or list formats. These are usually meant to limit the display of reams of properties down to just the essential properties. However there are times when you really want to see everything. In those cases Format-List * will show all the properties. Note tha...