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filter for complete cases in data.frame using dplyr (case-wise deletion)

...function which lets you specify columns (basically everything which dplyr::select can understand) which should not have any NA values (modeled after pandas df.dropna()): drop_na <- function(data, ...){ if (missing(...)){ f = complete.cases(data) } else { f <- complete....
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Is it possible to embed animated GIFs in PDFs?

...mes by making a fake loop. Open the Gif in Photoshop View the timeline Select all the instances and duplicate them (I did it 10 times) Export as a MP4 Open up your PDF and go to TOOLS> RICH MEDIA>ADD VIDEO> then place the video of your gif where you would want it A window comes up, be s...
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Error type 3 Error: Activity class {} does not exist

... uninstall properly. To verify and fix this: Go to Settings. Go to Apps. Select your app. (here, you can verify that your app is not uninstalled properly). Open the overflow menu on the top right and select Uninstall for all users. Done. Try to install then launch your app again. ...
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How to use sidebar with the keyboard in Sublime Text 2 and 3?

... Ctrl+0 (Ctrl+Zero) to focus on the side bar. Then you'll be able to move selection among files with arrow keys and to open the selected file hitting Enter, without touching the mouse. share | impr...
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MYSQL Dump only certain rows

... was exactly what I needed. Another person answered right before you and I selected his answer, but I upvoted you for the help. – Shattuck May 24 '11 at 16:00 1 ...
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Check if one IEnumerable contains all elements of another IEnumerable

... bool result; //Get the value var list1WithValue = list1.Select(s => s.Value).ToList(); var list2WithValue = list2.Select(s => s.Value).ToList(); result = !list1WithValue.Except(list2WithValue).Any(); return result; } ...
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Node.js Best Practice Exception Handling

...any different sources on this topic including code example and quotes from selected blog posts. The complete list of best practices can be found here Best practices of Node.JS error handling Number1: Use promises for async error handling TL;DR: Handling async errors in callback style is proba...
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How to delete all datastore in Google App Engine?

...hboard for your app (login on appengine) then datastore --> dataviewer, select all the rows for the table you want to delete and hit the delete button (you'll have to do this for all your tables). You can do the same programmatically through the remote_api (but I never used it). If you're talki...
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How do I create ColorStateList programmatically?

... try any of those solutions, pay attention to the order the states like in selector.xml! – Anton Makov Oct 4 '19 at 12:34  |  show 2 more comm...
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Why am I getting 'Assembly '*.dll' must be strong signed in order to be marked as a prerequisite.'?

... When using ClickOnce, this check box is automatically selected each time the application is published with the Publish wizard. See msdn.microsoft.com/en-us/library/1sfbfyk0.aspx for more information. – David Murdoch Apr 28 '15 at 16:54 ...