The operator == is undefined for the arguments type bool
49
What is a NullPointerException, and how do I fix it?
141294
Does "if ([bool] == true)" require one more step than "if ([bool])"?
14099
Can't operator == be applied to generic types in C#?
22122
How do you use the ? : (conditional) operator in JavaScript?
128682
If statement evaluating true no matter what. Python 3.3.0
46484
Can't cast int to bool
45245
Operator || or | cannot be used
92055
In JavaScript, why is "0" equal to false, but when tested by 'if' it is not false by itself?
129515
Error : Operand for operator "++" must be an lvalue
123797
Not equal  != operator on NULL
12886
How can I convert a string to boolean in JavaScript?
12660
The method *****is undefined for the type***** in Java
150245
Operator '&&' cannot be applied to operand of type 'bool' and 'int'
155488
Engineered bool compares equal to both true and false, why?
53481
Why does the compiler choose bool over string for implicit typecast of L""?
150558
Lua operators, why isn't +=, -= and so on defined?
109951
How to convert String object to Boolean Object?