I'm not an often blogger. When I do make the occasional blog post, it will mostly be about C#, Umbraco or when I have created an interesting package.
An article I did for Skrift about implementing custom sections and trees in Umbraco. Give it a look ;)
I you're creating your own Umbraco packages, this article might be for you. The article will explain how you can set up Grunt to create releases/packages to be uploaded on Our Umbraco (Umbraco Package), NuGet and GitHub (ZIP archive).
As part of the Umbraco advent calendar, I wrote an article on how to generate Open Graph meta tags using just C# and my Skybrud.OpenGraph package. You should totally read that.
Learn three different ways to provide custom error pages in Umbraco, using IContentFinder, suitable for multi-site solutions.
Learn to configure your WebApi controllers to always return JSON using my Skybrud.WebApi.Json package.
Read about how to set up RSS feed without writing a single a line of XML using Umbraco and my Skybrud.Umbraco.RssUtils package.
This blog post describes how you can easily work with media across multiple Umbraco environments using a bit of URL rewriting.