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How do I change an HTML selected option using JavaScript?
...ptySelectBoxById(eid, value, text) {
document.getElementById(eid).innerHTML = "<option value='" + value + "'>" + text + "</option>";
}
/**
* Reset Select Box
* @param eid Element ID
*/
function resetSelectBoxById(eid) {
document.getElementById(eid).options[0].selected = 'se...
Compare two data.frames to find the rows in data.frame 1 that are not present in data.frame 2
... code for dplyr show it being there: (dplyr.tidyverse.org/reference/setops.html , github.com/tidyverse/dplyr/blob/master/R/sets.). Additionally, when the dplyr library is loaded it even reports masking the base setdiff() function that works on two vectors: stat.ethz.ch/R-manual/R-devel/library/base...
Javascript communication between browser tabs/windows [duplicate]
... too) using cookies.
Here is an example of sender and receiver:
sender.html
<h1>Sender</h1>
<p>Type into the text box below and watch the text
appear automatically in the receiver.</p>
<form name="sender">
<input type="text" name="message" size="30" value=...
Detect element content changes with jQuery
...simple DOM manipulation, use jQuery chaining and traversing, $("#content").html('something').end().find(whatever)....
b. If you'd like to do something else, employ jQuery's bind with custom event and triggerHandler
$("#content").html('something').triggerHandler('customAction');
$('#content').unbi...
nodejs get file name from absolute path?
...basename method of the path module:
path.basename('/foo/bar/baz/asdf/quux.html')
// returns
'quux.html'
Here is the documentation the above example is taken from.
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...
Should ol/ul be inside or outside?
...nts.
To see why, let's go to the spec! If you can get comfortable with the HTML spec, it will answer many of your questions and curiosities. You want to know if an ol can live inside a p. So…
4.5.1 The p element:
Categories: Flow content, Palpable content.
Content model: Phrasing content.
4....
Positioning element at center of screen
...
Now, is more easy with HTML 5 and CSS 3:
<!DOCTYPE html>
<html>
<head>
<title>TODO supply a title</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, ...
Prevent tabstop on A element (anchor link) in HTML
...
No worries about this: just like zzzzBov states here, HTML5 came to the rescue and standardized this functionality. So now the guilty browsers are those that miss this.
– TechNyquist
Nov 17 '17 at 8:52
...
Hiding the scroll bar on an HTML page
... the "Accessibility" tab, in Konqueror under the "Stylesheets" tab.
body, html { /* These are defaults and can be replaced by hexadecimal color values */
scrollbar-base-color: aqua;
scrollbar-face-color: ThreeDFace;
scrollbar-highlight-color: ThreeDHighlight;
scrollbar-3dlight-color...
Is there a way to get colored text in Github Flavored Markdown? [duplicate]
...
It doesn't list the html tags they allow and I don't know if their implementation is open source(if it was I'd try looking at it to figure out which tags are allowed).
– Roman A. Taycher
May 28 '14 at 7:30
...