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How to remove all line breaks from a string
... Thanks, but U+2028 and U+2029 explicitly do not constitute line breaks in HTML (4.01), which the DOM tree and the textarea's live value are based on: w3.org/TR/html4/struct/text.html#whitespace
– PointedEars
May 30 '12 at 17:12
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How to focus on a form input text field on page load using jQuery?
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You can use HTML5 autofocus for this. You don't need jQuery or other JavaScript.
<input type="text" name="some_field" autofocus>
Note this will not work on IE9 and lower.
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How to replace DOM element in place using Javascript?
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by using replaceChild():
<html>
<head>
</head>
<body>
<div>
<a id="myAnchor" href="http://www.stackoverflow.com">StackOverflow</a>
</div>
<script type="text/JavaScript">
var myAnchor = docum...
How to get the body's content of an iframe in Javascript?
...ing JQuery, try this:
$("#id_description_iframe").contents().find("body").html()
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How to use my view helpers in my ActionMailer views?
...r.rb in my ReportMailer views ( app/views/report_mailer/usage_report.text.html.erb ). How do I do this?
7 Answers
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Knight's Shortest Path on Chessboard
...n delta - 2*Math.floor((delta-y)/4);
}
}
$body = $("body");
var html = "";
for (var y = 20; y >= 0; y--){
html += '<tr>';
for (var x = 0; x <= 20; x++){
html += '<td style="width:20px; border: 1px solid #cecece" id="'+x+'_'+y+'">'+distance(x,y)+'</td>';
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Giving a border to an HTML table row,
Is it possible to border a table row, <tr> in one go instead of giving a border to individual cells, <td> like,
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HTML5 Pre-resize images before uploading
...rs ago and uploaded my solution to github as https://github.com/rossturner/HTML5-ImageUploader
robertc's answer uses the solution proposed in the Mozilla Hacks blog post, however I found this gave really poor image quality when resizing to a scale that was not 2:1 (or a multiple thereof). I started...
Parsing domain from a URL
...k out parse_url():
$url = 'http://google.com/dhasjkdas/sadsdds/sdda/sdads.html';
$parse = parse_url($url);
echo $parse['host']; // prints 'google.com'
parse_url doesn't handle really badly mangled urls very well, but is fine if you generally expect decent urls.
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How do I add a tool tip to a span element?
... gives you plain text tooltips. If you want rich tooltips, with formatted HTML in them, you'll need to use a library to do that. Fortunately there are loads of those.
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