Apr 13, 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?

Explains how to use "*ngIf else" in Angular for conditional rendering of HTML elements.

No true, because with such syntax else if is side-effect (i.e. it comes for free). In other words there is no else if syntax, there is only if and else here.

In your case, whether you need an else clause depends on whether you want specific code to run if and only if neither of condition1, condition2, and condition3 are true. else can be omitted for …

Aug 3, 2010 · "One option is to code the else clause—with a null statement if necessary—to show that the else case has been considered. Coding null elses just to show that that case has been …

Jul 21, 2010 · The else clause is executed if you exit a block normally, by hitting the loop condition or falling off the bottom of a try block. It is not executed if you break or return out of a block, or …

But if the chain of the related If's occur inside of a function and each would execute a [return] statement, then the net effect of multiple if's matches using else if. However, it'd still be better …

Can you explain me why } must precede else or else if in the same line? Are there any other way of writing the if-else if-else statement in R, especially without brackets?

So any if-else control flow must be done in the expression evaluated above. Also since list comprehensions create a list, expression must be an expression that can be assigned to a …

Dec 25, 2012 · Is there an easier way of writing an if-elif-else statement so it fits on one line? For example, if expression1: statement1 elif expression2: statement2 else: statement3 Or a real …