Yet another way to erase backgrounds.
With Video Embed Field module you can embed videos from youtube and vimeo. Additional modules exist for other services too like facebook.
Odd and even classes with cycle function, loop variable options, loops inside loops and concatenation.
How to make selections with pen tool in Photoshop and use Path selection & Direct selection tools.
Editors for PHP, OPCache, Atom Addons, Linter PHP, Coding Standards, Semicolon, Comments, Error Reporting.
How to disable page caching and enable debug mode.
How to find template suggestions and create a custom template for a view.