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Advanced SCSS

Or, 16 cool things you may not have known your stylesheets could do. I'd rather have kept it to a nice round number like 10, but they just kept coming. Sorry.

I've been using SCSS/SASS for most of my styling work since 2009, and I'm a huge fan of Compass (by the great @chriseppstein). It really helped many of us through the darkest cross-browser crap. Even though browsers are increasingly playing nice with CSS, another problem has become very topical: managing the complexity in stylesheets as our in-browser apps get larger and larger. SCSS is an indispensable tool for dealing with this.

This isn't an introduction to the language by a long shot; many things probably won't make sense unless you have some SCSS under your belt already. That said, if you're not yet comfy with the basics, check out the aweso

tallesairan

#apache 2.2 or 2.4
<Limit GET HEAD POST PUT DELETE OPTIONS>
# Deprecated apache 2.2 syntax:
# Order Allow,Deny
# Allow from all
# Apache > 2.4 requires:
Require all granted
</Limit>

tallesairan

<?php
function get_youtube_video_ID($youtube_video_url) {
  /**
  * Pattern matches
  * http://youtu.be/ID
  * http://www.youtube.com/embed/ID
  * http://www.youtube.com/watch?v=ID
  * http://www.youtube.com/?v=ID
  * http://www.youtube.com/v/ID
  * http://www.youtube.com/e/ID

tallesairan

<?php

function delete_associated_media( $id ) {
    $media = get_children( array(
        'post_parent' => $id,
        'post_type'   => 'attachment'
    ) );

    if( empty( $media ) ) {
        return;

tallesairan

<?php

require dirname(__FILE__).'/wp-blog-header.php';

$wpdb->query("DELETE FROM wp_terms WHERE term_id IN (SELECT term_id FROM wp_term_taxonomy WHERE taxonomy LIKE 'pa_%')");
$wpdb->query("DELETE FROM wp_term_taxonomy WHERE taxonomy LIKE 'pa_%'");
$wpdb->query("DELETE FROM wp_term_relationships WHERE term_taxonomy_id not IN (SELECT term_taxonomy_id FROM wp_term_taxonomy)");
$wpdb->query("DELETE FROM wp_term_relationships WHERE object_id IN (SELECT ID FROM wp_posts WHERE post_type IN ('product','product_variation'))");
$wpdb->query("DELETE FROM wp_postmeta WHERE post_id IN (SELECT ID FROM wp_posts WHERE post_type IN ('product','product_variation'))");
$wpdb->query("DELETE FROM wp_posts WHERE post_type IN ('product','product_variation')");

tallesairan

WordPress database clean up queries

• Orphan rows
  • wp_posts -> wp_posts (parent/child)
  • wp_postmeta -> wp_posts
  • wp_term_taxonomy -> wp_terms
  • wp_term_relationships -> wp_term_taxonomy
  • wp_usermeta -> wp_users
  • wp_posts -> wp_users
• Other
  • wp_postmeta dupes