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- 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 Sound compilcated? An
- 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:
- 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
- bash - Difference between if -e and if -f - Stack Overflow
There are two switches for the if condition which check for a file: -e and -f What is the difference between those two?
- Do I need a last `else` clause in an `if. . . else if` statement?
The ending else is not mandatory as far as JavaScript is concerned As for whether it is needed, it depends on what you want to achieve The trailing else clause will execute when none of the specified conditions is true If the conditions are collectively exhaustive, then an else clause is entirely superfluous, except possibly to contain an assertion that catches the "impossible" condition
- SQL Server IF EXISTS THEN 1 ELSE 2 - Stack Overflow
Using Sql Server 2012 I have a stored procedure and part of it checks if a username is in a table If it is, return a 1, if not, return a 2 This is my code: IF EXISTS (SELECT * FROM tblGLUserA
- What are the differences between if-else and else-if? [closed]
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?
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