This is all recommended reading (by category then date published).
Back-end design
Martin Fowler – Anemic Domain Model
Prevent Cross-Site Request Forgery (CSRF) using ASP.NET MVC’s AntiForgeryToken() helper – Steve Sanderson’s blog
The Angry .Net Developer: What is the Difference Between a DTO and a POCO?
Front-end design
Non Hover | Trent Walton
Content Choreography | Trent Walton
Redefined | Trent Walton
Responsive Navigation Patterns | Brad Frost Web
BDConf: Stephen Hay presents Responsive Design Workflow | Brad Frost Web
Adactio: Journal—Conditionally loading content
Building with Content Choreography | Jordan Moore
Adactio: Journal—Conditional CSS
Which responsive images solution should you use? | CSS-Tricks
Notes to an Agency Starting Their First Responsive Web Project | CSS-Tricks
Complex Navigation Patterns for Responsive Design | Brad Frost Web
Design Systems ◆ 24 ways
MindBEMding – getting your head ’round BEM syntax – CSS Wizardry
Where to Start | Trent Walton
Responsive Deliverables – daverupert.com
Atomic Design | Brad Frost Web
These are articles I have yet to read.
Front-end design
Conditional Loading for Responsive Designs ◆ 24 ways
Front-end Style Guides ◆ 24 ways
About HTML semantics and front-end architecture – Nicolas Gallagher
Style Tiles and How They Work · An A List Apart Article
Responsive Comping: Obtaining Signoff without Mockups · An A List Apart Article
Windows on the Web ∙ An A List Apart Column
“Reading Is Fundamental Element Collages,” an article by Dan Mall
Rock Hammer, a curated, responsive project library — Stuff & Nonsense, And All That Malarkey
These are tools I want to check out (in no order).
Front-end design
Adaptive Images in HTML
Pattern Lab | Build Atomic Design Systems
Pears
Rock Hammer
Scalable and Modular Architecture for CSS
Style Tiles
This Is Responsive | Tips, Resources and Patterns for Responsive Web Design
DaveDen 