Add data-oriented design, and sizedness in Rust blog posts

Author: jamesmcm

draft/2020-07-28-this-week-in-rust.md

@@ -18,6 +18,9 @@ Check out [this week's *This Week in Rust Podcast*](https://rustacean-station.or
 
 ## News & Blog Posts
 
+* [An introduction to Data-Oriented Design in Rust](http://jamesmcm.github.io/blog/2020/07/25/intro-dod/#en)
+* [Sizedness in Rust](https://github.com/pretzelhammer/rust-blog/blob/master/posts/sizedness-in-rust.md)
+
 # Crate of the Week
 
 This week's crate is [pre](https://github.com/aticu/pre), a library for declaring and checking the assurance of precondition, useful for unsafe functions.