SharePoint 2010

http://blogs.msdn.com/pandrew/

General Informative Blogs on Sharepoint

http://programmingsharepoint.blogspot.com/search/label/List%20and%20Libraries

Best Sharepoint Customization by jQuery Blog

Best Customizations
http://www.pathtosharepoint.com/

http://www.pathtosharepoint.com/Calendars/Pages/Workshops.aspx

Upload /Download Documents in Sharepoint Object model

http://dishashah.wordpress.com/2009/08/08/how-to-attachdeleteupload-files-to-sharepoint-list-item-using-object-model/

Event Handler in Sharepoint

Step by Step Event Handler For Document Libraries
http://farhanfaiz.wordpress.com/2007/12/31/creating-adding-an-event-handler/

http://simeonlobo.wordpress.com/2008/02/27/sharepoint-list-template-ids/

All About Sharepoint Event Handlers

http://blogit.create.pt/blogs/andrevala/archive/2009/02/21/SharePoint-2007-Deployment_3A00_-Event-Registration-Features.aspx

Events in SharePoint 2007
http://msdn.microsoft.com/en-us/magazine/cc163318.aspx

Event Handler
http://msdn.microsoft.com/en-us/library/dd587315(office.11).aspx

Event Handler

http://www.davehunter.co.uk/Blog/Lists/Posts/Post.aspx?List=f0e16a1a%2D6fa9%2D4130%2Dbcab%2Dbaeb97ccc4ff&ID=69


http://www.wrox.com/WileyCDA/Section/Programming-Event-Handling-in-Windows-SharePoint-Services.id-306329.html

Recusion

http://www.sharepointkings.com/2008/05/save-conflict-recursive-call-of-event.html

Validating "Choice" Fields in SharePoint Designer Workflow Forms

http://www.themackpage.com/2008/12/19/validating-choice-fields-in-sharepoint-designer-workflow-forms/

Offical Sharepoint Designer Bug Fix Blog

http://blogs.msdn.com/spdsupport/default.aspx