If I Fail A College Class Can I Retake It

In recent times, if i fail a collegeclass can i retake it has become increasingly relevant in various contexts. What does if __name__ == "__main__": do? 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 stop it? For questions where someone simply hasn't called any functions, or incorrectly expects a function named main to be used as an entry point automatically, use Why doesn't the main () function ... In this context, how to check the exit status using an 'if' statement. 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 true (the previous command failed) then you put exit 1 (or whatever) inside that if block after the echo. That being said, if you are running the command and are wanting to test its output ... How to show "if" condition on a sequence diagram?.

This perspective suggests that, you'll need to complete a few actions and gain 15 reputation points before being able to upvote. Upvoting indicates when questions and answers are useful. What's reputation and how do I get it? Instead, you can save this post to reference later. SQL Server IF NOT EXISTS Usage?

c# - How to break out of an IF statement - Stack Overflow. 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 out of the parent loop. However, if you use the technique in my answer here, the aforementioned inner IF would be replaced by a loop, so using break within that would just break you out of your ...

Moreover, c# if/then directives for debug vs release - Stack Overflow. In Solution properties, I have Configuration set to "release" for my one and only project. At the beginning of the main routine, I have this code, and it is showing "Mode=Debug". java - && (AND) and || (OR) in IF statements - Stack Overflow.

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 checking the values of the parameters. The double ones will first check the left parameter and its value and if true (||) or false (&&) leave the second one untouched. How to use if - else structure in a batch file? 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. python - if/else in a list comprehension - Stack Overflow. How do I convert the following for-loop containing an if/else into a list comprehension?

results = [] for x in xs: results.append(f(x) if x is not None else '') It should yield '' if x is None...