Differences in boolean operators: & vs && and - Stack Overflow
Oct 25, 2010 · The three scenarios are logical AND, bitwise AND, and boolean AND. Logical AND: Logical AND (aka Conditional AND) uses the && operator. It's short-circuited meaning: if the left …
How do I use a Boolean in Python? - Stack Overflow
Does Python actually contain a Boolean value? I know that you can do: checker = 1 if checker: #dostuff But I'm quite pedantic and enjoy seeing booleans in Java. For instance: Boolean checker;...
c# - What's the difference between "bool" and "bool?"? - Stack Overflow
Oct 5, 2016 · 3 bool? means the boolean is nullable and is syntactic sugar for a stucture Nullable<bool>. Because a boolean is a value type, you cannot set it to null, but there are some cases where you'd …
What is the difference between bool and Boolean types in C#
Sep 25, 2008 · A variable of type Boolean stores a reference to a Boolean object. The only real difference is storage. An object will always take up more memory than a primitive type, but in reality, …
Does true equal to 1 and false equal to 0? - Stack Overflow
Mar 5, 2022 · bool does NOT have an integral value. C++ mandates that when converting bool to integral types true evaluates to 1 and false evaluates to 0, and from integral/float types it says that a …
Boolean Implication - Stack Overflow
Nov 30, 2009 · The definition is given in the very first sentence of the answer, and is the standard definition of implication in Boolean logic. You may find that it goes contrary to your common sense, …
Why boolean in Java takes only true or false? Why not 1 or 0 also?
Jan 6, 2010 · Because the people who created Java wanted boolean to mean unambiguously true or false, not 1 or 0. There's no consensus among languages about how 1 and 0 convert to booleans. C …
What does the !! (double exclamation mark) operator do in JavaScript ...
It converts a nonboolean to an inverted boolean (for instance, !5 would be false, since 5 is a non-false value in JS), then boolean-inverts that so you get the original value as a boolean (so !!5 would be true).
boolean - What is bool in C++? - Stack Overflow
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 pointer to a bool (which would …
An expression of non-boolean type specified in a context where a ...
Jun 11, 2010 · An expression of non-boolean type specified in a context where a condition is expected, near 'END' Asked 15 years, 6 months ago Modified 1 year, 7 months ago Viewed 57k times