anchor.diff:  No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://my-site' is therefore not allowed access
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  -As a front end developer, there are chances you ended up with this message in your console quite a few time.
  +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.
   
  
positive.code: 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
  
  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 ).
  
negative.code: # Dealing with CORS in a Development Environment Using a Reverse Proxy
  
  
  :hp-image: http://github.com/PierreBtz/pierrebtz.github.io/raw/master/images/dealing-with-CORS.png
  