Powerful Collection of Information About Microsoft Azure on GitHub
With the GitHub resource suite "Azure Tips and Tricks" Microsoft offers a lot of information about its cloud service.
Two eBooks, more than 50 videos and nearly 200 tips are available here. The resources cover various Azure services, ranging from Azure App Service and Cognitive Services through Cosmos DB and Machine Learning to Storage and VMs. Most of the tips available are based on real-world experiences and scenarios.