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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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No Main() in WPF?

... in visual studio. Use the navigation bar > Method drop down list > select Main (greyed out). This takes you to App.g.i.cs. – P.Brian.Mackey Apr 6 '18 at 15:58 add a c...
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Forking from GitHub to Bitbucket

...epo on bitbucket.org Here are the steps: Click on the Create button and select Repository ('+' > Repository) Now, instead of creating a new repository select a import repository from the top right corner of the modal that pops up. fill in your github repo's URL and your authentication credenti...
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Xcode 4.2 debug doesn't symbolicate stack call

...y setting it at the END of your didFinishLaunchingWithOptions function (or selectively disabling 3rd party libraries). Or better yet, set a symbolic break point on NSSetUncaughtExceptionHandler to quickly see who is calling it. What you may want to do is to modify your current one rather than adding...
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Capybara Ambiguity Resolution

...t So it's adviced to choose another, less ambiguous locator: for example select element by id, class or other css/xpath locator so that only one element will match it. As a note here are some locators that I usually consider useful when resolving ambiguity: find('ul > li:first-child') It'...
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Linq list of lists to single list

... You want to use the SelectMany extension method. var residences = details.SelectMany(d => d.AppForm_Residences).ToList(); share | improve ...
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how to POST/Submit an Input Checkbox that is disabled?

... A bit old, but as sidenote: If you use <select> or <textfield> or other HTML elements that support the disabled attribute, you can select them and enable all with: $( "*:disabled" ).removeAttr("disabled"); – Gusstavv Gil ...
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Registry Key '…' has value '1.7', but '1.6' is required. Java 1.7 is Installed and the Registry is P

...va Runtime Environment"- On right hand side you will get 4-5 rows . Please select "CurrentVersion" and right Click( select modify option) Change version to "1.7" Now the magic has been completed share | ...
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Signing a Windows EXE file

... /v "C:\filename.dll" Method 2: Using Windows Right-click the signed file Select Properties Select the Digital Signatures tab. The signature will be displayed in the Signature list section. I hope this could help you Sources: https://docs.microsoft.com/en-us/previous-versions/windows/internet-e...
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Unix tail equivalent command in Windows Powershell

...Wait only shows me new lines when I access a log file in some way (such as selecting it in Windows Explorer). Tail provides updates as new lines are written to my file. With -Wait, I can leave a PowerShell window open happily showing no new lines while the file is being written to. If I then pop ove...