This article provides manual and programmatic methods of clearing the SharePoint designer cache for both SharePoint 2010 and 2013. Clearing the cache will remove any past connection history as well provide you a “clean slate” to work from.
Two quick methods of grabbing the internal names of SharePoint fields. The first method includes a URL encoding and decoding tool so you don’t have to worry about doing this manually.
Generally, you would use RunWithElevatedPrivileges to elevate permissions and execute a block code as the application pool account. But this doesn’t work nicely in console apps.
If you work with content migration in SharePoint sites, you may often need to save lists and libraries as templates so that you can re-use them in other sites. This article shows how to fix the error that occurs when the list template maximum size is greater that 50 MB (or 52428800 bytes).