- if and #if ; which one is better to use - Stack Overflow
if and #if are different things with different purposes If you use the if statement, the condition is evaluated at runtime, and the code for both branches exists within the compiled program The condition can be based on runtime information, such as the state of a variable if is for standard flow control in a program If you use the preprocessor's #if, the condition is evaluated at compile
- 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?
- 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
- 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?
- 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?
- SQL IF, BEGIN, END, END IF? - Stack Overflow
It has to do with the Normal Form for the SQL language IF statements can, by definition, only take a single SQL statement However, there is a special kind of SQL statement which can contain multiple SQL statements, the BEGIN-END block If you omit the BEGIN-END block, your SQL will run fine, but it will only execute the first statement as part of the IF Basically, this: IF @Term = 3 INSERT
- How to show if condition on a sequence diagram?
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 sequence were explicitly described in the scenario and thus no branching took place during the sequence Alternative paths were handled by describing a variant of the scenario which had its own sequence
- 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 '%' + @
|