try installing qt5-qtserialport-devel with your favorite package manager (I assume you are on linux based on your profile information)
try installing qt5-qtserialport-devel with your favorite package manager (I assume you are on linux based on your profile information)
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S.O.L.I.D principles (use them!):
https://en.wikipedia.org/wiki/SOLID_...iented_design)
Do you write clean code? - if you are TDD'ing then maybe, if not, your not writing clean code.
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