Plugin Development Learning Guide Good Sites

List of Good Article & Sites

https://code.tutsplus.com/tutorials/a-guide-to-wordpress-custom-post-types-creation-display-and-meta-boxes--wp-27645

https://code.tutsplus.com/tutorials/wordpress-custom-post-types-taxonomies-admin-columns-filters--wp-27898

https://developer.wordpress.org/

https://codex.wordpress.org/

https://developer.wordpress.org/themes/basics/template-hierarchy/

https://developer.wordpress.org/plugins/intro/what-is-a-plugin/

https://codex.wordpress.org/Creating_Tables_with_Plugins

https://codex.wordpress.org/Creating_Options_Pages

https://codex.wordpress.org/Function_Reference/

http://blog.teamtreehouse.com/responsive-wordpress-bootstrap-theme-tutorial

https://pippinsplugins.com/creating-custom-front-end-registration-and-login-forms/

Plugins

WP Query Plugin (Learn to apply query in wp)

USA MAP Plugin (Learn to Add CSS & JS)

Movie- Reviews (Learn Custom Post Type & Metabox Create & Display)

Options page Create (Learn to add New Menu Create in WP & form Options)