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Change UICollectionViewCell size on different device orientations
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1) You could maintain and swap out multiple layout objects, but there's a simpler way. Just add...
What does .SD stand for in data.table in R
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.SD stands for something like "Subset of Data.table". There's no significance to the initial "....
What's the simplest way to subtract a month from a date in Python?
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20 Answers
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Targeting position:sticky elements that are currently in a 'stuck' state
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There is currently no selector that is being proposed for elements that are currently 'stuck'. ...
How to trace the path in a Breadth-First Search?
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You should have look at http://en.wikipedia.org/wiki/Breadth-first_search first.
Below is a quick implementation, in which I used ...
How can you hide database output in Rails console?
...logging in console)
To turn it back on
ActiveRecord::Base.logger.level = 0
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Get Image size WITHOUT loading image into memory
...e operations in the source like:
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prefix = fp.read(16)
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fp.seek(0)
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but these hardly constitute reading the whole file. In fact .open simply returns a file object and the filename on success. In addition the docs say:
open(file, mode=”r”)
Opens and identifies the given ...
Regex exactly n OR m times
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answered Dec 14 '12 at 8:10
Mark ByersMark Byers
683k155155 gold badges14681468 silver badges13881388 bronze badges
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How to capture UIView to UIImage without loss of quality on retina display
... UIGraphicsBeginImageContextWithOptions (as documented on this page). Pass 0.0 for scale (the third argument) and you'll get a context with a scale factor equal to that of the screen.
UIGraphicsBeginImageContext uses a fixed scale factor of 1.0, so you're actually getting exactly the same image on ...
How to select a single field for all documents in a MongoDB collection?
In my MongoDB, I have a student collection with 10 records having fields name and roll . One record of this collection is:
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