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What happens with constraints when a view is removed

...are removed. If you add A again, you will have to make new constraints for it, or if you save the constraints before you remove A, you can add them back. When I do something like this, I save the constraints like this for a view called view1: self.portraitConstraints = [NSMutableArray new]; for (NS...
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How to write log base(2) in c/c++

Is there any way to write log(base 2) function? 14 Answers 14 ...
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how to get an uri of an image resource in android

...name [res id] is value of the resource ID, e.g. R.drawable.sample_1 to stitch it together, use Uri path = Uri.parse("android.resource://your.package.name/" + R.drawable.sample_1); share | improv...
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Convert an image to grayscale in HTML/CSS

Is there a simple way to display a color bitmap in grayscale with just HTML/CSS ? 25 Answers ...
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Run command on the Ansible host

Is it possible to run commands on the Ansible host? 8 Answers 8 ...
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jQuery set checkbox checked

I already tried all the possible ways, but I still didn't get it working. I have a modal window with a checkbox I want that when the modal opens, the checkbox check or uncheck should be based on a database value. (I have that already working with others form fields.) I started trying to get it c...
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How do I drop a function if it already exists?

...know this must be simple, but how do I preface the creation of a function with a check to see if it already exists? If it exists, I want to drop and re-create it. ...
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Visual Studio Expand/Collapse keyboard shortcuts [duplicate]

... Collapse to definitions CTRL + M, O Expand all outlining CTRL + M, X Expand or collapse everything CTRL + M, L This also works with other languages like TypeScript and JavaScript ...
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Are empty HTML5 data attributes valid?

I'd like to write a simple jQuery plugin that displays inline modals under specified elements. My idea is for the script to auto-init based on data attributes specified on elements. ...
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What causes java.lang.IncompatibleClassChangeError?

I'm packaging a Java library as a JAR, and it's throwing many java.lang.IncompatibleClassChangeError s when I try to invoke methods from it. These errors seem to appear at random. What kinds of problems could be causing this error? ...