What's the difference between "bool" and "bool?"?
Oct 5, 2016 · 63 I use the "bool" type for variables as I was used to in C++, and I try to put the values of functions or properties I expect to be boolean into my variable. However I often …
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) …
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 ...
What is the difference between bool and Boolean types in C#
Sep 25, 2008 · 2 bool is a primitive type, meaning that the value (true/false in this case) is stored directly in the variable. Boolean is an object. A variable of type Boolean stores a reference to a …
What is the printf format specifier for bool? - Stack Overflow
There is no format specifier for bool types. However, since any integral type shorter than int is promoted to int when passed down to printf() 's variadic arguments, you can use %d:
boolean - What is bool in C++? - Stack Overflow
Aug 4, 2013 · bool is a fundamental type; true and false are the only two values that an object of type bool that has been initialized can have. Your function boolPtrHere() does not take a …
c# - Setting entire bool [] to false - Stack Overflow
I'm already aware of the loop example below bool[] switches = new bool[20]; for (int i = 0; i < switches.Length; i++) { switches[i] = false; } But is there a more efficient way to set the entire …
Best way to check for nullable bool in a condition expression (if ...)
I was wondering what was the most clean and understandable syntax for doing condition checks on nullable bools. Is the following good or bad coding style? Is there a way to express the …
Logical operators for Boolean indexing in Pandas - Stack Overflow
The others work on these data structures (and plain Python objects) and work element-wise. However, be careful with the bitwise invert on plain Python bool s because the bool will be …