Jan 7, 2009 · If you are trying to close a question where someone should be using this idiom and isn't, consider closing as a duplicate of Why is Python running my module when I import it, and how do I …

Apr 18, 2012 · There are two switches for the if condition which check for a file: -e and -f. What is the difference between those two?

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 …

I understand the usual way to write an "if - else if" statement is as follow:

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 practice to use …

Jul 24, 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.

Jun 18, 2012 · I have a question about if - else structure in a batch file. Each command runs individually, but I couldn't use "if - else" blocks safely so these parts of my programme doesn't work. …

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 …

Since this is still getting upvotes, I may as well mention my love/hate relationship with this method. Normally, if you have an IF statement within a loop, you can use break within the IF block to break …

I know this question is old and I haven't done a search yet, but it made me wonder whether showing branching is even a good idea for sequence diagrams. I always thought the conditions for the …