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Replacing NAs with latest non-NA value

... the beginning of its usage example from the help page: library(zoo) az <- zoo(1:6) bz <- zoo(c(2,NA,1,4,5,2)) na.locf(bz) 1 2 3 4 5 6 2 2 1 4 5 2 na.locf(bz, fromLast = TRUE) 1 2 3 4 5 6 2 1 1 4 5 2 cz <- zoo(c(NA,9,3,2,3,2)) na.locf(cz) 2 3 4 5 6 9 3 2 3 2 ...
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Prevent line-break of span element

I have a <span> element which I want to display without any line break. How can I do that? 4 Answers ...
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Finding duplicates in O(n) time and O(1) space

...osition A[x]. Note that it may not look O(n) at first blush, but it is - although it has a nested loop, it still runs in O(N) time. A swap only occurs if there is an i such that A[i] != i, and each swap sets at least one element such that A[i] == i, where that wasn't true before. This means that ...
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What's the difference between ngModel.$modelValue and ngModel.$viewValue

...l is bound to. I'm going to assume that your ngModel is referring to an <input /> element...? So your <input> has a string value that it displays to the user, right? But the actual model might be some other version of that string. For example, the input might be showing the string '...
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Difference between adjustResize and adjustPan in android?

...ndow. according to your comment, use following in your activity manifest <activity android:windowSoftInputMode="adjustResize"> </activity> share | improve this answer | ...
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FB OpenGraph og:image not pulling images (possibly https?)

...ties: og:image:url - Identical to og:image. og:image:secure_url - An alternate url to use if the webpage requires HTTPS. og:image:type - A MIME type for this image. og:image:width - The number of pixels wide. og:image:height - The number of pixels high. A full image example: <meta prope...
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Download file from an ASP.NET Web API method using AngularJS

In my Angular JS project, I've an <a> anchor tag, which when clicked makes an HTTP GET request to a WebAPI method that returns a file. ...
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How to go back (ctrl+z) in vi/vim

... redo quickly, the entire edit history if necessary, in vimrc: nnoremap U <C-R> – NeilG Jul 25 '19 at 3:24 add a comment  |  ...
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Python timedelta in years

... some number of years have been since some date. Currently I've got timedelta from datetime module and I don't know how to convert it to years. ...
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Can I incorporate both SignalR and a RESTful API?

...ration consists in this class: public abstract class ApiControllerWithHub<THub> : ApiController where THub : IHub { Lazy<IHubContext> hub = new Lazy<IHubContext>( () => GlobalHost.ConnectionManager.GetHubContext<THub>() ); protected IHubContext Hu...