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Opposite of %in%: exclude rows with values specified in a vector

A categorical variable V1 in a data frame D1 can have values represented by the letters from A to Z. I want to create a subset D2, which excludes some values, say, B, N and T. Basically, I want a command which is the opposite of %in% ...
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How to Append in javascript? [duplicate]

I need to use childappend or jquery append() to append some tag stuff into the document. From what I can tell, this is getting stripped out. Anyone know how to do it? ...
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How to select multiple rows filled with constants?

...g constants without referring to a table is perfectly legal in an SQL statement: 15 Answers ...
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Use Fieldset Legend with bootstrap

... That's because Bootstrap by default sets the width of the legend element to 100%. You can fix this by changing your legend.scheduler-border to also use: legend.scheduler-border { width:inherit; /* Or auto */ padding:0 10px; /* To give a bit of padding on the left and right */ bor...
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Can't get rid of header X-Powered-By:Express

... Same as app.set('x-powered-by', false); – harrisunderwork Mar 13 '16 at 13:26 2 ...
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How to insert spaces/tabs in text using HTML/CSS

... add a comment  |  113 ...
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What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?

I know some differences of LINQ to Entities and LINQ to Objects which the first implements IQueryable and the second implements IEnumerable and my question scope is within EF 5. ...
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Set CSS property in Javascript?

... Use element.style: var element = document.createElement('select'); element.style.width = "100px"; share | improve this answer ...
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Passing arguments to an interactive program non-interactively

I have a bash script that employs the read command to read arguments to commands interactively, for example yes/no options. Is there a way to call this script in a non-interactive script passing default option values as arguments? ...
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Conditional ng-include in angularjs

... See github.com/angular/angular.js/issues/3627#issuecomment-23539882 ; in current versions (1.2.*) you cannot use ng-switch and ng-include on the same element, so you need something like: <div ng-switch-when="true"><div ng-include="'something'"></div><//div&g...