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MySQL

Getting started

• http://www.sqlteaching.com/
• https://www.codecademy.com/learn/learn-sql
• https://www.codecademy.com/catalog/language/sql

Related tutorials

• MySQL-CLI
• Analyzing Business Metrics

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<?php
class ColorPalette{
	public $color;
	
	public function __construct($color){
		$this->color = $color;
	}
	public function color_mod($hex, $diff) {
		$rgb = str_split(trim($hex, '# '), 2);
		 

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<?php 
// simple frontend file upload
// written by Arūnas Liuiza | tinyStudio | wp.tribuna.lt
// Usage: use [tiny_upload] shortcode or get_tiny_upload()/the_tiny_upload() template tags
 
// Localization: replace 'theme' with your text domain string.
 
// ======= UPLOAD FORM =====>
 
// return form #1

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<?php 
/*
Plugin Name: tinyLogin
Plugin URI: http://wp.tribuna.lt/tiny-login
Description: A simple front-end login/registration system. Adds template tags and shortcodes. Shortcodes: [tiny_form_login]/[tiny_form_register]. Template tags: get_tiny_form_login()/get_tiny_form_register() and  the_tiny_form_login()/the_tiny_form_register()
Version: 0.1
Author: Arūnas
Author URI: http://wp.tribuna.lt/
Text Domain: tiny_login
*/

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<?php

function themename_customize_register($wp_customize){
    
    $wp_customize->add_section('themename_color_scheme', array(
        'title'    => __('Color Scheme', 'themename'),
        'priority' => 120,
    ));

    //  =============================

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	remove_action( 'wp_head', 'rsd_link' );
	remove_action( 'wp_head', 'wlwmanifest_link' );
	remove_action( 'wp_head', 'wp_generator' );
	remove_action( 'wp_head', 'start_post_rel_link' );
	remove_action( 'wp_head', 'index_rel_link' );
	remove_action( 'wp_head', 'adjacent_posts_rel_link' );
	remove_action( 'wp_head', 'wp_shortlink_wp_head' );

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<?php
/*
Plugin Name: Toggle Debug
Description: Proof-of-concept for an admin-bar debug mode toggle. Needs some UX love.
*/
/*
// In wp-config.php, wrap debug constants in a cookie conditional
if ( isset( $_COOKIE['wp-debug'] ) && $_COOKIE['wp-debug'] == 'on' ) {
	define('WP_DEBUG', true);
}

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INITIALISATION
==============

load wp-config.php
set up default constants
load wp-content/advanced-cache.php if it exists
load wp-content/db.php if it exists
connect to mysql, select db
load object cache (object-cache.php if it exists, or wp-include/cache.php if not)
load wp-content/sunrise.php if it exists (multisite only)