[Flask] Questions from a new user of Flask

[Felix Louistisserand]

Happy new year ! 

I am currently having some issues in the development of a web application, and it may be because of some misuse of Flask. If you could help me on this it will be awesome ! 

As the application is still in development, the datas and the source code changes quite frequently. I noticed that after changing the templates I had to re-launch the server to make the changes occur. That was not a problem at first. However as my projected grew it began to happen that changes didn't took place, even after re-launching the server. I first thought it was a cache problem but the issues carries on over different web navigators (I tested Firefox and Chrome) and even in private navigation of after manually cleaning the cache. 
I discovered that this problem doesn't only concern templates but all the static files too. 
Is that a known problem ? I found no mention of it on the Internet but maybe someone already encountered it here. 
Of course it could have no link with Flask itself, but for now I have no idea where else does it could come from. 


As a side question, I wonder what is the recommended method to pass arguments to javascript from flask. Currently I am doing it with a <script> field in my template, but it doesn't feel good. Is there a better way to do that ? 

Thank you for your attention, 

Felix 
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