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How can I tell if a DOM element is visible in the current viewport?

Is there an efficient way to tell if a DOM element (in an HTML document) is currently visible (appears in the viewport )? ...
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Best/Most Comprehensive API for Stocks/Financial Data [closed]

... (official or not) if you search for it. http://www.goldb.org/ystockquote.html Edit I found some unofficial documentation: http://ilmusaham.wordpress.com/tag/stock-yahoo-data/ share | improve th...
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Get form data in ReactJS

...ult(); console.log(event.target[0].value) } 2) Using name attribute in html handleSubmit = (event) => { event.preventDefault(); console.log(event.target.elements.username.value) // from elements property console.log(event.target.username.value) // or directly } <input type...
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What is “X-Content-Type-Options=nosniff”?

...m the declared content-type. EDIT: Oh and, that's an HTTP header, not a HTML meta tag option. See also : http://msdn.microsoft.com/en-us/library/ie/gg622941(v=vs.85).aspx share | improve this an...
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WPF Textblock, linebreak in Text attribute

... old question, but I had the same problem. The solution for me was to use HTML encoded line feeds (
). Line1
Line2 Looks like Line1 Line2 For more of the HTML encoded characters check out w3schools ...
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How do I expire a PHP session after 30 minutes?

... ) n = no of days Login.php <?php session_start(); ?> <html> <form name="form1" method="post"> <table> <tr> <td>Username</td> <td><input type="text" name="text"></td> ...
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jQuery validate: How to add a rule for regular expression validation?

...ation' plugin which can be found in jQuery Validation Plugin <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; ...
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Recursion in Angular directives

...ution best because: You don't need an special directive which makes your html less clean. The recursion logic is abstracted away into the RecursionHelper service, so you keep your directives clean. Update: As of Angular 1.5.x, no more tricks are required, but works only with template, not with...
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Commonly accepted best practices around code organization in JavaScript [closed]

... I try to avoid including any javascript with the HTML. All the code is encapsulated into classes and each class is in its own file. For development, I have separate <script> tags to include each js file, but they get merged into a single larger package for production ...
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AngularJS ng-include does not include view unless passed in $scope

...rectly in there, you have to give a string. <div ng-include src="'page.html'"></div> share | improve this answer | follow | ...