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what exactly is device pixel ratio?
... understanding is its quality is lower because it got physically stretched from 300 to 600px. Can you elaborate on this a bit more, please?
– Peter
Mar 19 '16 at 6:48
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CALayer with transparent hole in it
...Color(red: 0, green: 0, blue: 0, alpha: 0.85)
// Create the initial layer from the view bounds.
let maskLayer = CAShapeLayer()
maskLayer.frame = overlay.bounds
maskLayer.fillColor = UIColor.blackColor().CGColor
// Create the frame for the circle.
let radius: CGFloat = 50.0
let rect = CGRectMake(
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Comparing arrays in JUnit assertions, concise built-in way?
...thod is not available, you may have accidentally imported the Assert class from junit.framework.
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How to change color of Android ListView separator line?
...swered Mar 3 '10 at 15:45
JeremyFromEarthJeremyFromEarth
14.1k44 gold badges2929 silver badges4646 bronze badges
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Why XML-Serializable class need a parameterless constructor
...on, because it means that you cannot have any readonly members initialized from constructor parameters.
In addition to all this, the XmlSerializer class could have been written in such a way as to allow even deserialization of classes without parameterless constructors. All it would take would be ...
Why escape_javascript before rendering a partial?
... Yeah, actually it's more of a formatting method. It doesn't prevent users from executing their own javascript. Nothing can prevent that.
– LasagnaAndroid
Feb 23 '15 at 1:31
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How do I merge a git tag onto a branch
...Remember before you merge you need to update the tag, it's quite different from branches (git pull origin tag_name won't update your local tags). Thus, you need the following command:
git fetch --tags origin
Then you can perform git merge tag_name to merge the tag onto a branch.
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How to add reference to a method parameter in javadoc?
Is there a way to add references to one or more of a method's parameters from the method documentation body?
Something like:
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Package objects
...ort Swing._
to have all the goodness like onEDT and implicit conversions from Tuple2 to Dimension.
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How to define two fields “unique” as couple
... constraints features UniqueConstraint is preferred over unique_together.
From the Django documentation for unique_together:
Use UniqueConstraint with the constraints option instead.
UniqueConstraint provides more functionality than unique_together.
unique_together may be deprecated in the ...