What's the difference between "bool" and "bool?"?
Oct 5, 2016 · Since bool is a value type (just as int, long, double, DateTime and some other types), it will always be initialized to a default value (false in the case of a bool, 0 in the case of …
Using Boolean values in C - Stack Overflow
bool and _Bool, and true and false are language keywords for boolean types. bool / _Bool is a type that can hold either the value true or false. Logical operators !, ||, and && can be used.
Difference between _Bool and bool types in C? - Stack Overflow
Jan 4, 2012 · These data types were added in C99. Since bool wasn't reserved prior to C99, they use the _Bool keyword (which was reserved). bool is an alias for _Bool if you include …
python - Truth value of a Series is ambiguous. Use a.empty, a.bool ...
Just to add some more explanation to this statement: The exception is thrown when you want to get the bool of a pandas.Series: >>> import pandas as pd >>> x = pd.Series([1]) >>> bool(x) …
What is the difference between BOOL and bool? - Stack Overflow
Jun 21, 2011 · 46 In VC++ we have the data type “BOOL” which can assume the value TRUE or FALSE, and we have the data type “bool”, which can assume the value true or false. What is …
c# - Convert nullable bool? to bool - Stack Overflow
May 20, 2011 · How do you convert a nullable bool? to bool in C#? I have tried x.Value or x.HasValue ...
gcc - Is bool a native C type? - Stack Overflow
Oct 22, 2009 · 433 bool exists in the current C - C99, but not in C89/90. In C99 the native type is actually called _Bool, while bool is a standard library macro defined in stdbool.h (which …
In C how much space does a bool (boolean) take up? Is it 1 bit, 1 …
Nov 4, 2011 · A bool takes in real 1 bit, as you need only 2 different values. However, when you do a sizeof (bool), it returns 1, meaning 1 byte. For practical reasons, the 7 bits remaining are …
Using bitwise operators for Booleans in C++ - Stack Overflow
Aug 24, 2008 · Using bitwise operations for bool helps save unnecessary branch prediction logic by the processor, resulting from a 'cmp' instruction brought in by logical operations.
c++ - _Bool and bool: How do I solve the problem of a C library …
Aug 20, 2010 · C++ bool is not guaranteed to be compatible. The proper solution is not to use bool or _Bool in parameter declarations of C functions that are intended to be directly …