update

self_training.md

@@ -105,7 +105,7 @@ Ruby Object Model:
   - Potential security problem to watch out
   - Security best practices
 - [x] [Rails Autoloading](http://urbanautomaton.com/blog/2013/08/27/rails-autoloading-hell/) (optional)
-- [ ] [Rails upgrading from 3 to 4](http://edgeguides.rubyonrails.org/upgrading_ruby_on_rails.html) (optional)
+- [x] [Rails upgrading from 3 to 4](http://edgeguides.rubyonrails.org/upgrading_ruby_on_rails.html) (optional)
 
 # Advanced programming techniques
 - [x] Inversion of control
@@ -128,9 +128,9 @@ Read the following materials and get familiar with our workflow:
 - [x] [Ruby coding convention](https://github.com/bbatsov/ruby-style-guide)
 - [x] [Rails coding convention](https://github.com/bbatsov/rails-style-guide)
 - [x] [RSpec best practices](http://betterspecs.org/)
-- [ ] [Strikingly API convention](https://github.com/strikingly/home/wiki/API-Convention)
+- [x] [Strikingly API convention](https://github.com/strikingly/home/wiki/API-Convention)
 - [x] [Spotify software development lifecycle](https://s3.amazonaws.com/uploads.hipchat.com/53157/363231/w6KOrtEE3UJUel7/HowSpotifyBuildsProducts.pdf)
-- [ ] https://github.com/strikingly/home/wiki/Code-design
+- [x] https://github.com/strikingly/home/wiki/Code-design
 
 See Flo to discuss about rails large scale applications conventions
 
@@ -245,7 +245,7 @@ Make sure you can answer the following questions before proceeding
 - [x] What's the difference between commonjs and AMD? 
 - [x] Can we chain loaders?  If so, how would you do this?
 - [x] What are the differences between webpack and Require.js? Why do you think we prefer webpack over require.js?
-- [ ] Write an example code that use code-splitting to async load js chunk
+- [x] Write an example code that use code-splitting to async load js chunk
 
 [co](https://github.com/tj/co)
 - [x] What's callback hell?