Powershell srcset image generator
If you have a website and SEO matters for you, then you probably had to optimize images. To this aim, you may want to have responsive images. As explained here,
Posts with tag 'HTML5'
A collection of 2 posts
Implementing the OAUTH 2.0 flow in app for office sandboxed environment
EDIT: this approach is outdated. You can have a look at the sample we released and especially in the README section we compare the different approaches https://github.com/Keluro/Office365-AddinWeb-SignInSample