anchor.diff:  Request will be successful if the server's answer contains a specific header allowing the domain.
   For more information, you might want to read https://www.eriwen.com/javascript/how-to-cors/[Making Cross-Domain Requests with CORS].
   
  -## Issue for the front end developer
  +## Issue for the front-end developer
   
   Now, here is the issue: I'm developing a web application that needs to query a RESTful API.
   The issue is that this RESTful API is not allowing access to my domain (let's say http://localhost:4200 ).
  
positive.code: # Dealing with CORS in a Development Environment: Use a reverse proxy
  
  
  :hp-image: http://github.com/PierreBtz/pierrebtz.github.io/raw/master/images/dealing-with-CORS.png
  
negative.code: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://my-site' is therefore not allowed access
  ----
  
  As a front-end developer, there are chances you ended up with this message in your console quite a few time.
  This article will present a solution I used on both professional and personal developments to be able to deal with the CORS.
  It will also come back on other possible solutions I experimented but I was not satisfied with.
  
  