The Microsoft Developer Center introduces a new type of help documentation for developers. They are called Quick Notes and are intended to give you just the information you need to get common tasks accomplished.
They are very task oriented with no lengthy explanations. Just the steps necessary to get things done. There will be Quick Notes focused on Office tasks and SharePoint tasks. So check these out, with more on the way.
Quick Note: Getting Started with Web Part Development in SharePoint 2010
Quick Note: Connect Web Parts in SharePoint 2010