Hello 
I`ve got an expierence with theese guys  that were mentioned before. 
https://community.tradetheday.com/post/introductory-essay-where-to-start-62058a595f28d93ca88db785
https://forum.ebvalaim.pl/viewtopic.php?f=6&t=448294&p=691015#p691015
https://www.buymeacoffee.com/yousefparr6/n-a-1207289
https://www.qt.io/blog/2009/10/12/to-make-or-not-to-make-qmake-and-beyond
https://www.lawyersclubindia.com/forum/details.asp?mod_id=112222&offset=0
 
And I watned to translate thanks!

Ernestfig