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MySQL error: key specification without a key length

... dev.mysql.com/doc/refman/5.0/en/char.html "Values in VARCHAR columns are variable-length strings. The length can be specified as a value from 0 to 255 before MySQL 5.0.3, and 0 to 65,535 in 5.0.3 and later versions. The effective maximum length of a VARCHAR in ...
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How to position a div in the middle of the screen when the page is bigger than the screen

... <html> <head> <style type="text/css"> #mydiv { position:absolute; top: 0; left: 0; right: 0; bottom: 0; width:100px; height:200px; margin:auto; border: 1px solid #ccc; ...
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Apache VirtualHost 403 Forbidden

...ccess here, or in any related virtual host. <Directory /home/gav/public_html/> Options FollowSymLinks AllowOverride None Require all granted </Directory> share | improve thi...
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Any open source alternatives to balsamiq mockup [closed]

... Take a look at Maqetta. It runs as a html5 app in your browser, so you can deploy it on your server to easily share your work with others, or you can simply start it locally and point your browser to localhost on port 50000. On their homepage, you can test maqe...
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Disabled href tag

...sabled { pointer-events: none; cursor: default; } <a href="link.html" class="disabled">Link</a> share | improve this answer | follow ...
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What does “javascript:void(0)” mean?

...1 for including the completely awesome example. Even if you have no static HTML fall-back for what you're doing in JavaScript, you can always do something like <a href="enableJavaScriptToSeeMyCompletelyAwesomeSite.html" onclick="completelyAwesome();return false;">. – Gran...
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What’s the best way to reload / refresh an iframe?

...g to a different domain. If you can target newer browsers, consider using HTML5's Cross-document messaging. You view the browsers that support this feature here: http://caniuse.com/#feat=x-doc-messaging. If you can't use HTML5 functionality, then you can follow the tricks outlined here: http://so...
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AngularJS - placeholder for empty result from filter

... Here is the trick using ng-show HTML: <div ng-controller="Ctrl"> <h1>My Foo</h1> <ul> <li ng-repeat="foo in foos"> <a href="#" ng-click="setBarFilter(foo.name)">{{foo.name}}</a> </li> </ul&...
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How can I add a PHP page to WordPress?

... = $img_data->guid; } } // end og:image ?> <!DOCTYPE HTML> <html> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=yes" /> <meta property="og:title" content="<?php echo $title; ?>" /> <meta property="og:...
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How do I escape curly braces for display on page when using AngularJS?

... @TimoHuovinen, to output curly braces in an HTML attribute see my answer. – joeytwiddle May 27 '16 at 2:34 ...