WordPress › Reference | WordPress Developer Resources
WPSeek.com - A WordPress-centric search engine for devs and theme authors
WordPress hooks database - action and filter hooks for wp plugin developers
What is a hook? In brief, WordPress hooks enable you to change how WordPress behaves without editing...
hookr.io | The WordPress Hook/API Index
The following WordPress (Core) versions have been indexed… 4.1.1, 4.1, 4.0.1, 4.0, 3.9.3…with the fo...
QueryPosts - better WordPress code reference
better WordPress code reference
Why Are Taxonomy Lookups Faster than Post Meta Lookups?
So I've read all over the place that looking for posts based on a taxonomy is much quicker than look...
Using wp_cron - WebDevStudios.com
Today, Chris goes over using wp_cron and everything you need to know, including pitfalls and benefit...
WordPress › WordPress Developer Resources
Search the codebase for documentation
10up Engineering Best Practices
Audience The 10up Engineering Best Practices are not geared to teach anyone to become an engineer. R...
Introducing WordPress 4.2 "Powell"
WordPress 4.2 "Powell" (named after jazz pianist Bud Powell) is all about communicating and sharing,...
WordPress 4.2 "Powell" is Now Available for Download
WordPress 4.2 "Powell" has arrived and is now ready for download. It is named for Earl Rudolph "Bud"...
WP_Widget_Categories::widget()
public function widget( $args, $instance ) { /** This filter is documented in wp-includes/default-wi...
Details on the new theme settings (customizer) guideline
During yesterday's team meeting, we made what we knew would be a controversial decision about theme ...
Conditional Tags « WordPress Codex
The Conditional Tags can be used in your Template files to change what content is displayed and how.
WP_Query Arguments - Bill Erickson
WordPress Query comprehensive reference
Class Reference/WP Query « WordPress Codex
WP_Query is a class defined in wp-includes/query.php
Mastering WP_Query: An Introduction - Tuts+ Code Tutorial
WP_Query is a powerful tool you can use to customise the way your WordPress site queries the database. In this introduction to the series I'll give an overview of what it is. | Difficulty...
The Ultimate Guide to WordPress Taxonomies - WPMayor
Difference between WordPress categories, tags and custom taxonomies. We also go through the step-by-...
WordPress › Taxonomy term splitting in 4.2: a developer guide « Make WordPress Core
Front page - WP AND LEGAL STUFF
The Basics of How WordPress Works | Tom McFarlin
Wordpess Cheat Sheet - Virtual Blend
WordPress v4.x
WP_Query Arguments - Bill Erickson
WordPress Shortcodes: A Complete Guide
WordPress — Webmaster's Mobile Guide
Helpful Information for Developers of WordPress
Access information about your WordPress install from your admin bar. You can easily view queries, PHP includes, scripts and styles, and theme information.
Preventive Maintenance in WordPress - Maintainn.com
CodeGuard Survey Shows More Education is Needed on Backup Software, Services, and Strategies For WordPress
CodeGuard, a service that specializes in automated backups to the cloud, has published the results of its 2015 WordPress survey. The survey took place between February 18th-20th and was answered by...
5 Speed Optimization Myths
Optimizing your website for speed is a complex issue. A lot of guides over-simplify by offering broad advice that shouldn’t be taken at face value. Here’s a few commonly-spouted tips that need some...