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Can you nest html forms?

...e, the HTML5 <input> form attribute can be the solution. From http://www.w3schools.com/tags/att_input_form.asp: The form attribute is new in HTML5. Specifies which <form> element an <input> element belongs to. The value of this attribute must be the id attribute of a <f...
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How to copy a file from one directory to another using PHP?

...opy all files from one folder to another using PHP <?php $src = "/home/www/example.com/source/folders/123456"; // source folder or file $dest = "/home/www/example.com/test/123456"; // destination folder or file shell_exec("cp -r $src $dest"); echo "<H2>Copy files completed!&lt...
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Twitter image encoding challenge [closed]

...ding potrace (open-source). Here are the results Original SO Logo http://www.warriorhut.org/graphics/svg_to_unicode/so-logo.png Original Decoded SO Logo http://www.warriorhut.org/graphics/svg_to_unicode/so-logo-decoded.png After encoding and decoding Characters: 300 Time: Not measured but practi...
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Dynamically generating a QR code with PHP [closed]

...s://chart.googleapis.com/chart?chs=300x300&cht=qr&chl=http%3A%2F%2Fwww.google.com%2F&choe=UTF-8 300x300 is the size of the QR image you want to generate, the chl is the url-encoded string you want to change into a QR code, and the choe is the (optional) encoding. The link, above, gi...
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How to add an Access-Control-Allow-Origin header

... @font-face { font-family: 'LeagueGothicRegular'; src: url('http://www.example.com/css/fonts/League_Gothic.eot?') format('eot'), url('http://www.example.com/css/fonts/League_Gothic.woff') format('woff'), url('http://www.example.com/css/fonts/League_Gothic.ttf') format('true...
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Most useful NLog configurations [closed]

...ngWrapper" condition="length('${exception}')>0" <nlog xmlns="http://www.nlog-project.org/schemas/NLog.mono2.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" autoReload="true" internalLogLevel="Warn" internalLogFile="nlog log.log" > <variable n...
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How to achieve code folding effects in Emacs?

...{{ and }}} as in folding mode, it uses where the block is defined. http://www.gnu.org/software/emacs/manual/html_node/emacs/Outline-Mode.html http://www.emacswiki.org/emacs/OutlineMinorMode I am pretty sure that it comes with emacs. I then add this to my .emacs ;;======= Code folding ======= (add...
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How to prevent favicon.ico requests?

... virtual server you can do this:- If the server document root is say /var/www/html then add this to /etc/httpd/conf/httpd.conf:- Alias /favicon.ico "/var/www/html/favicon.ico" <Directory "/var/www/html"> <Files favicon.ico> ExpiresActive On ExpiresDefault "access plus...
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Change a Rails application to production

...erver (CentOS 6, but it should apply to nearly all Linux flavors): https://www.digitalocean.com/community/tutorials/how-to-setup-a-rails-4-app-with-apache-and-passenger-on-centos-6 Make absolute certain that after Passenger is set up you've edited the /etc/httpd/conf/httpd.conf file to reflect your ...
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Get week of year in JavaScript like in PHP

... You should be able to get what you want here: http://www.merlyn.demon.co.uk/js-date6.htm#YWD. A better link on the same site is: Working with weeks. Edit Here is some code based on the links provided and that posted eariler by Dommer. It has been lightly tested against resul...