- SQL Server IF NOT EXISTS Usage? - Stack Overflow
No, it is not As I'm using EXISTS, I was just following what I thought was standard practice in sub-queries using EXISTS
- 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?
- RegEx for matching A-Z, a-z, 0-9, _ and . - Stack Overflow
I need a regex which will allow only A-Z, a-z, 0-9, the _ character, and dot ( ) in the input I tried: [A-Za-z0-9_ ] But, it did not work How can I fix it?
- 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?
- SQL: IF clause within WHERE clause - Stack Overflow
Is it possible to use an IF clause within a WHERE clause in MS SQL? Example: WHERE IF IsNumeric(@OrderNumber) = 1 OrderNumber = @OrderNumber ELSE OrderNumber LIKE '%' + @
- 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
- IF. . . OR IF. . . in a windows batch file - Stack Overflow
The zmbq solution is good, but cannot be used in all situations, such as inside a block of code like a FOR DO ( ) loop An alternative is to use an indicator variable Initialize it to be undefined, and then define it only if any one of the OR conditions is true Then use IF DEFINED as a final test - no need to use delayed expansion FOR DO ( set "TRUE=" IF cond1 set TRUE=1 IF cond2
- How to use if - else structure in a batch file? - Stack Overflow
I have a question about if - else structure in a batch file Each command runs individually, but I couldn't use quot;if - else quot; blocks safely so these parts of my programme doesn't work How
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