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(Ruby) Ruby on Rails doodles
Create new Ruby-on-Rails project. By default RoR comes with SQLite support, unless you state otherwise (-d mysql). [ruby] // Create project. With mysql support rails new my_project -d mysql [/ruby]
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(HTML) Form element arrays
Sometimes you might want to group form elements in arrays. Here’s a way to do that: [html] <form> <input type="text" name="textboxes[]"> <input type="text" name="textboxes[]"> <input type="text" name="textboxes[]"> </form> [/html] The structure of the $_POST array will then be: [php] Array ( [textboxes] => Array ( [0] => value 1 [1] => value 2 [2] =>…
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(CSS) How to center a div without width
I needed to center a div with dynamic content, so I couldn’t set a fixed width. Since margin: 0 auto; really won’t do anything if the element doesn’t have a fixed width you can solve it like this: HTML [html] <div id="container"> <div class="centered">My dynamic content, that will be centerd</div> </div> [/html] CSS [css] .centered…
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Simple picture/file upload script
Here is a simple tutorial script that uploads a file to a folder on the server. In this example it is assumed that the file is an image and it will be outputted on screen in an img-tag. But the file uploading mechanics works for any file type.
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Debug link shared on facebook
Sometimes when you share a link to you site on Facebook it uses old thumbnails or the link image. There’s a ton of useful info about your site here:https://developers.facebook.com/tools/debug
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CSS3 box shadow
A nice feauture in CSS3 is the box-shadow. Instead of working with tedious PNG-images you can add shadows to any element with the CSS property box-shadow. The syntax works like this: box-shadow: <offset-x> <offset-y> <blur> <spread> <color> <inset> The offset settings will set the angle of the shadow. Where it will be cast in relation to…
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(PHP) Simple pagination
Here’s a simple way to paginate when getting large amounts of posts from the database.
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Generate dummy data
Here’s a great tool for generating dummy data for your database etc. www.generatedata.com
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Open weblinks in external browser when using Phonegap
To prevent a Phonegap-wrapped app from opening external links in the apps webview, use javascript to open the link in the external browser. This works on Android (probably other platforms as well)
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(PHP) Simple e-mail contact form.
A simple contact form, just for reference. Will add more info later on… [php] <?php if (isset($_POST[‘submit’])) { $name = $_POST[‘name’]; //name of sender $email = $_POST[’email’]; //e-mail of sender $email = stripslashes($email); $subject = $_POST[‘subject’]; //e-mail subject $subject = str_replace(array("\r\n","\r","\n"), "", $subject); //remove any linebreaks to keep from code injections $message = $_POST[‘message’]; //…