If Trapped In A Building

Understanding if trapped in a building requires examining multiple perspectives and considerations. 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 ... sql - PostgreSQL IF statement - Stack Overflow.

Similarly, postgreSQL doesn't have IF, instead use a SELECT CASE WHEN statement, as in: SELECT CASE WHEN 50<100 THEN 5 ELSE 10 END; which allows a: SELECT CASE WHEN 50<(select count(*) from sometable) THEN 5 ELSE 10 END from mytable; SQL Server IF NOT EXISTS Usage? 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. How to show "if" condition on a sequence diagram?. What are the differences between if-else and else-if? It's important to note that, 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? C# if/then directives for debug vs release - Stack Overflow. From another angle, in Solution properties, I have Configuration set to "release" for my one and only project. Similarly, at the beginning of the main routine, I have this code, and it is showing "Mode=Debug". r - if - else if - else statement and brackets - Stack Overflow.

I understand the usual way to write an "if - else if" statement is as follow: when to use if vs elif in python - Stack Overflow. If I have a function with multiple conditional statements where every branch gets executed returns from the function.

Should I use multiple if statements, or if/elif/else? For example, say I have a 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.

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.