Warnings in compiler

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Is there some resources available for me to study the warnings in the compiler? I'd like to have the knowledge in interpreting and fix these things. Thank you in advance!
 

I would advise to start examining each warning by itself to see how you can fix it. The most common ones are type conversion (String to Int for example).

Once you get the hang of properly setting the values to variables, you will get the habit of writing clean code.

Oh, and google the warning message..there are tons of resources.

 
Yes, i faced so many problems about different types of warnings. I gathered knowledge and solution from google and youtube.
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