Adminer – a lightweight alternative to PhpMyAdmin

PhpMyAdmin is powerfull but the GUI is messy. Adminer is a lightweight alternative. You have to download the files and place them in your folder. # sudo apt-get isntall adminer # sudo ln -s /usr/share/adminer/ adminer The first line will install the files. They are saved in /usr/share/adminer. Therefore we need a symbolic link to […]

SQL count(): The Most Popular Cake

This post contiues the SQL tutorial on the Shire Bakery. Here we’ll So how do yo find the most popular cake in the Shire Bakery? Here’s an idea. — Show the best cookie — See: Ben Forta Chap. 16 SELECT COUNT( cakes.cake ) AS ‘popular’, cakes.cake, costumers.who FROM cakes, costumers, likes — sort out the […]

SQL: Many-to-Many and One-to-Many

Here’s a short tutorial on how to solve some basic SQL cardinalities. First have a look at the ER-diagram for the database and the resulting tables in PhpMyAdmin. Many-to-Many Many to many cardinalities may be solved like this: SELECT cake, who FROM cakes, costumers, likes WHERE costumers.costumers_id = likes.costumers_id AND cakes.cakes_id = likes.cakes_id Note that […]

CSS i plugin

Dokumentationen på Codex er ikke lysende klar; men et plugin gør sådan: /* filters etc. */ add_action('wp_print_styles', 'add_hyperboard_stylesheet'); // (…) /*Required stylesheets */ function add_hyperboard_stylesheet() { $myStyleUrl = WP_PLUGIN_URL . '/hyperboard/styles.css'; $myStyleFile = WP_PLUGIN_DIR . '/hyperboard/styles.css'; if ( file_exists($myStyleFile) ) { wp_register_style('HyperBoardStyleSheets', $myStyleUrl); wp_enqueue_style( 'HyperBoardStyleSheets'); } } Pluginet sætter en krog i wp_print_styles.