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How do I get the RootViewController from a pushed controller?

So, I push a view controller from RootViewController like: 8 Answers 8 ...
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Give examples of functions which demonstrate covariance and contravariance in the cases of both over

Please show a good example for covariance and contravariance in Java. 3 Answers 3 ...
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What is normalized UTF-8 all about?

...h/fullwidth katakana and alphabet), or the "fi" ligature in MacRoman. See http://unicode.org/reports/tr15/ for more details. share | improve this answer | follow ...
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Best way to convert text files between character sets?

...ike this because it's standard on most NIX platforms. But also see the VIM command option (alias: ex) below. Additional info: (1) you (probably) don't need to specify the -f (from) option with iconv. (2) the file --mime-encoding <file/s> command can help you to figure out the encoding in the f...
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How do you switch pages in Xamarin.Forms?

...on <?xml version="1.0" encoding="utf-8"?> <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:viewmodels="clr-namespace:MyApp.ViewModel" x:Class="MyApp.Views.MyPage"> <ContentPage.BindingContext&gt...
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JavaScript: Overriding alert()

Has anyone got any experience with overriding the alert() function in JavaScript? 12 Answers ...
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Chrome Dev Tools - “Size” vs “Content”

...size of response itself [...]" ("resource" also has a different meaning in HTTP terms). – Bruno Jul 26 '12 at 22:01 1 ...
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Get the last non-empty cell in a column in Google Sheets

...K( A:A ) ) ) ; ROWS( FILTER( A:A ; NOT( ISBLANK( A:A ) ) ) ) ) So if you combine it with your current function it would look like this: =DAYS360(A2,INDEX( FILTER( A:A ; NOT( ISBLANK( A:A ) ) ) ; ROWS( FILTER( A:A ; NOT( ISBLANK( A:A ) ) ) ) )) ...
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Practical uses of git reset --soft?

...D, most often updating the branch ref, and only the HEAD. This differ from commit --amend as: it doesn't create a new commit. it can actually move HEAD to any commit (as commit --amend is only about not moving HEAD, while allowing to redo the current commit) Just found this example of combinin...
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Changing the current working directory in Java?

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