So you’ve made some awesome tweaks to your WordPress theme, but then you go ahead and update it with the latest version from the author and… All your brilliant customizations have been lost! If you have made customizations directly to a WordPress theme, they will be wiped out whenever you install an update from the… Read More »
In this post you will learn how to use the freely available Tablesorter jQuery plugin, which allows you to sort HTML table columns alphanumerically by clicking the column header. If you want your users to be able to sort tables and save the order, check out this post instead. Setup Tablesorter Make sure you have… Read More »
How do we allow users to reorder the rows of an HTML table and then save those changes back to a table in a MySQL database? This post will explain how to do it in two steps: Enable table drag and drop functionality with jQuery UI Write any changes the user makes back to the… Read More »
Drupal is a free and open-source content-management framework written in PHP and distributed under the GNU General Public License. In this post, you will learn how to install Drupal on a LAMP Ubuntu server. Installation Download the latest stable version of Drupal from their website Copy the downloaded file to the /var/www/html directory of your… Read More »
After making several modifications to your test site, what’s the best way to transfer those changes to your live site? This post explains how to use Rsync over SSH to keep your test website synchronized to your live site. Rsync saves time and is more efficient than using FTP to upload files one at a… Read More »
In this post, you will learn how to use HTML and jQuery AJAX to update the rows of a MySQL database table. For this example, the HTML table will have a total of five columns. The first four will contain data pulled from a MySQL database. The cells will be editable so that the user… Read More »
Do you have an HTML table that you’d like to import into a MySQL database? This post will explain how to do it. The process involves creating a new database (unless you already have one), creating a new table, and importing the table using an HTML DOM parser script. Create a New Database Log in… Read More »
Symptom: When attempting to add media to a WordPress post, the image is rejected and the following error message appears: Cause: The WordPress uploads directory (typically located at /var/www/html/wordpress/wp-content/uploads) on the web server does not have write permission enabled and/or the web user (likely www-data) is not a member of the group which the uploads… Read More »
You may have attempted to modify the footer.php file of your WordPress theme and the following error message appeared: “This theme is released under creative commons licence, all links in the footer should remain intact” The message appears whether you try to access your blog or the back-end adminstrative interface. The reason for this is… Read More »