A cool resource for articles and tips on everything front-end
You can sign up and use the code editor for free to try out using HTML, CSS and even SCSS without having to set up the files yourself! You can also check out cool examples from other users and see their code.
A website and daily newsletter with code, design and UX articles
A website with a lot of cutting edge code examples and tutorials
A daily design newsletter
A collection of designs, UX interactions and website layouts
A collection of Google material design, UX interactions and website layouts
Some people to follow on Twitter for cool code tips and dev tool news