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How to Deep clone in javascript

...first, a code example which clones object literals, any primitives, arrays and DOM nodes. function clone(item) { if (!item) { return item; } // null, undefined values check var types = [ Number, String, Boolean ], result; // normalizing primitives if someone did new String('a...
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How do you switch pages in Xamarin.Forms?

...dPage, the one you don't like CarouselPage, that allows for switching left and right to next/prev pages. On top of this, all pages also supports PushModalAsync() which just push a new page on top of the existing one. At the very end, if you want to make sure the user can't get back to the previou...
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@media media query and ASP.NET MVC razor syntax clash

... use double @@ symbols. That will escape @ symbol and render @media correctly on client side share | improve this answer | follow | ...
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How to fix: android.app.RemoteServiceException: Bad notification posted from package *: Couldn't cre

...s including the integer reference to the icon in the PendingIntent bundle, and that integer was later being referenced while being posted to the NotificationManager. In between getting the integer reference and the pending intent going off, the app was updated and all of the drawable references cha...
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Create a nonclustered non-unique index within the CREATE TABLE statement with SQL Server

...nly accept CONSTRAINTs to be added, not indexes. The fact that primary key and unique constraints are implemented in terms of an index is a side effect. To manage indexes, you have CREATE/ALTER/DROP INDEX, as you are well aware. Why do you have a such a requirement as to add non-unique-non-clustere...
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How can I reset a react component including all transitively reachable state?

...set. The ideal behavior would be equivalent to removing the old component and readding a new, pristine component. 3 Answer...
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Is Chrome's JavaScript console lazy about evaluating arrays?

...!) There appears to be some debate regarding just how much of a bug it is and whether it's fixable. It does seem like bad behavior to me. It was especially troubling to me because, in Chrome at least, it occurs when the code resides in scripts that are executed immediately (before the page is loa...
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How to iterate over the keys and values in an object in CoffeeScript?

...ld not initialise arr as arr = [], you should use arr = {}. In Javascript (and Coffeescript) arrays have numeric indices. Objects behave like associative arrays/dicts. – Morgan Harris Mar 18 '13 at 3:55 ...
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C++ Tuple vs Struct

Is there is any difference between using a std::tuple and a data-only struct ? 12 Answers ...
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How to automatically crop and center an image

... any arbitrary image, I want to crop a square from the center of the image and display it within a given square. 7 Answers ...