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R: += (plus equals) and ++ (plus plus) equivalent from c++/c#/java, etc.?

...erators, to help with this kind of thing. You can read more about it here: https://happylittlescripts.blogspot.com/2018/09/make-your-r-code-nicer-with-roperators.html install.packages('roperators') require(roperators) x <- 1:3 x %+=% 1; x x %-=% 3; x y <- c('a', 'b', 'c') y %+=% 'text'; y y...
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How to remove specific value from array using jQuery

...1,2,3,4,5]; let evens = values.filter(v => v % 2 == 0); alert(evens); https://jsfiddle.net/emrefatih47/nnn3c2fo/ share | improve this answer | follow | ...
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HttpServletRequest to complete URL

I have an HttpServletRequest object. 10 Answers 10 ...
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Cookie blocked/not saved in IFRAME in Internet Explorer

...y you don't have a p3p policy, as Google and Facebook do (they point here: https://support.google.com/accounts/answer/151657 and here: https://www.facebook.com/help/327993273962160/). Finally, it's important to note that all files served from the 3rd party site need to have the p3p header, not jus...
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Positioning element at center of screen

...%); } Easy! JSFiddle here: http://jsfiddle.net/LgSZV/ Update: Check out https://css-tricks.com/centering-css-complete-guide/ for a fairly exhaustive guide on CSS centering. Adding it to this answer as it seems to get a lot of eyeballs. ...
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jQuery loop over JSON result from AJAX Success?

...ert("Value is :" + val); alert("key is :" + key); }); <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> share | improve this answer ...
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Math - mapping numbers

... https://rosettacode.org/wiki/Map_range [a1, a2] => [b1, b2] if s in range of [a1, a2] then t which will be in range of [b1, b2] t= b1 + ((s- a1) * (b2-b1))/ (a2-a1) ...
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Convert javascript array to string

... blkstr.push(str); }); console.log(blkstr.join(", ")); <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script> (output will appear in the dev console) As Felix mentioned, each() is just iterating the array, nothing more. ...
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How to delete last item in list?

... lot with timing, I can recommend this little (20 line) context manager: https://github.com/brouberol/timer-context-manager You code could look like this then: #!/usr/bin/env python # coding: utf-8 from timer import Timer if __name__ == '__main__': a, record = None, [] while not a == ...
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How to resolve : Can not find the tag library descriptor for “http://java.sun.com/jsp/jstl/core” [du

... In my case, I hard-coded it to use "https" instead of "http"... #facepalm – Yom S. Apr 2 '18 at 8:14 add a comment  |...