IT Nursery
Are the two statements below equivalent? SELECT [...] FROM [...] WHERE some_col in (1,2,3,4,5) AND some_other_expr and SELECT [...] FROM...
Why is there no logical xor in JavaScript? 19 Answers 19
How would you implement logical operators in DOS Batch files? 14 Answers 14
The logical expression ( a && b ) (both a and b have boolean values) can be written like !(!a || !b), for example. Doesn’t this mean that &&...
According to the R language definition, the difference between & and && (correspondingly | and ||) is that the former is vectorized while the latter is not. According to...
I have a couple of variables and I want to check the following condition (written out in words, then my failed attempt at bash scripting): if varA EQUALS 1...
Is there such a thing? It is the first time I encountered a practical need for it, but I don’t see one listed in Stroustrup. I intend to write:...
How do you get the logical xor of two variables in Python? For example, I have two variables that I expect to be strings. I want to test that...