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Convert Int to String in Swift

... Converting Int to String: let x : Int = 42 var myString = String(x) And the other way around - converting String to Int: let myString : String = "42" let x: Int? = myString.toInt() if (x != nil) { // Successfully converted String to Int } Or if you're using Swift 2 or 3: let x: Int? ...
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Do you leave parentheses in or out in Ruby? [closed]

...ve out empty parentheses The parentheses can be left out of a single command that is surrounded by ERb delimiters -- the ERb markers make sure the code is still readable A line that is a single command and a single simple argument can be written without the parenthesis. Personally, I fin...
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How to remove the underline for anchors(links)?

Is there anyway (in CSS) to avoid the underline for the text and links introduced in the page .. ? 15 Answers ...
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How to create unit tests easily in eclipse [closed]

...ing: "This actually a JUnit test" in my class :) I wanted something simple and working. – kiedysktos Jun 15 '16 at 9:29 ...
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How to sort findAll Doctrine's method?

...own, yes it's possible, although it adds significant fat to the controller and isn't DRY. You should really define your own query in the entity repository, it's simple and best practice. use Doctrine\ORM\EntityRepository; class UserRepository extends EntityRepository { public function findAll...
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getActivity() returns null in Fragment function

... suggest adding an onAttach(Activity activity) method to your Fragment and putting a break point on it and seeing when it is called relative to your call to asd(). You'll see that it is called after the method where you make the call to asd() exits. The onAttach call is where the Fragment is att...
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Set focus on TextBox in WPF from view model

I have a TextBox and a Button in my view. 21 Answers 21 ...
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Is it valid to replace http:// with // in a ?

...complying with the URI syntax specified in the RFC. Your example is valid and should work. I've used that relative URL method myself on heavily trafficked sites and have had zero complaints. Also, we test our sites in Firefox, Safari, IE6, IE7 and Opera. These browsers all understand that URL fo...
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What happens with constraints when a view is removed

...y the poster in that question did what he did. I've logged this to verify, and when I remove a subview, and check the constraints on the superview, those constraints that pertained to the removed subview are gone. – rdelmar Apr 22 '14 at 15:18 ...
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Number of lines in a file in Java

...ly need to know the number of lines in these files, usually I open them up and read them line by line until I reach the end of the file ...