Как такового оператора else if нет, это лишь использование ещё одного if в ветке else другого if. Но разница между ними есть. В первом случае второе условие отработает, если не отработает …

23 nov. 2014 · Semântica As linguagens de programação costumam ter construções diferentes para dar efeitos semânticos diferentes. Raramente você precisa de uma construção diferente se não quer …

I have a condition for an if statement. It should evaluate to True if the user inputs either "Good!" or "Great!". The code is as follows: weather = input ("How's the weather? &

13 apr. 2017 · I am trying to discern the difference between: if else and else if How do you use these? And when do you use them and when not?

24 jul. 2009 · No, it is not. As I'm using EXISTS, I was just following what I thought was standard practice in sub-queries using EXISTS.

Java has 5 different boolean compare operators: &, &&, |, ||, ^ & and && are "and" operators, | and || "or" operators, ^ is "xor" The single ones will check every parameter, regardless of the values, before …

7 jan. 2014 · The if statement in shell uses the command [. Since [ is a command (you could also use 'test'), it requires a space before writing the condition to test. To see the list of conditions, type: man …

The zmbq solution is good, but cannot be used in all situations, such as inside a block of code like a FOR DO (...) loop. An alternative is to use an indicator variable. Initialize it to be undefined, and then define …

7 jan. 2014 · I need help on my Excel sheet. How can I declare the following IF condition properly? if A1 = "n/a" then C1 = B1 else if A1 != "n/a" or has value(int) then C1 = A1*B1

Every command that runs has an exit status. That check is looking at the exit status of the command that finished most recently before that line runs. If you want your script to exit when that test returns …