Top "Logical-operators" questions

Logical operators are symbols that aid in evaluating boolean expressions.

When should I use a bitwise operator?

I read the following Stack Overflow questions, and I understand the differences between bitwise and logical. Difference between & and &…

php bitwise-operators logical-operators
Logical operators - 'or' vs. '||' (double pipe) in PHP

I've always used || (double pipe) for if (($a == $b) || ($a == $c)) { } and or for do_this() or do_that();. Why …

php logical-operators
Is it possible to define {$IFDEF} for more than one directive at once?

Is it possible to define more than one conditional in one {$IFDEF} directive ? I would like to have syntax like …

delphi logical-operators conditional-compilation
Python safe dictionary key access

I am looking for a convenient, safe python dictionary key access approach. Here are 3 ways came to my mind. data = {…

python dictionary logical-operators
Logical AND, OR: Is left-to-right evaluation guaranteed?

Is left-to-right evaluation of logical operators (&& ||) guaranteed? Let's say I have this: SDL_Event event; if (SDL_PollEvent(&…

c++ logical-operators operator-precedence
How do "and" and "or" act with non-boolean values?

I'm trying to learn python and came across some code that is nice and short but doesn't totally make sense …

python operators logical-operators
Difference between numpy.logical_and and &

I'm trying to use the logical_and of two or more numpy arrays. I know numpy has the function logical_…

numpy logical-operators
Is operator && strict in Haskell?

For example, I have an operation fnB :: a -> Bool that makes no sense until fnA :: Bool returns False. …

haskell logical-operators strictness
Defining double exclamation?

I understand what a double exclamation mark does (or I think I understand) but I am not sure how it …

c++ boolean logical-operators
Is there an implication logical operator in python?

I would like to write a statement in python with logical implication. Something like: if x => y: do_sth() …

python math logical-operators implication