There is a space missing between elif and [: elif[ “$seconds” -gt 0 ] should be elif [ “$seconds” -gt 0 ] All together, the syntax to follow is: if [ conditions ]; then # Things elif [ other_conditions ]; then # Other things else # In case none of the above occurs fi As … Read more
There is no built-in operator to do it in Go. You need to iterate over the array. You can write your own function to do it, like this: func stringInSlice(a string, list []string) bool { for _, b := range list { if b == a { return true } } return false } Or … Read more
if ($(‘input.checkbox_check’).is(‘:checked’)) {
Every command that runs has an exit status. That check is looking at the exit status of the command that finished most recently before that line runs. If you want your script to exit when that test returns true (the previous command failed) then you put exit 1 (or whatever) inside that if block after … Read more
Python does not have a trailing if statement. There are two kinds of if in Python: if statement: if condition: statement if condition: block if expression (introduced in Python 2.5) expression_if_true if condition else expression_if_false And note, that both print a and b = a are statements. Only the a part is an expression. So … Read more
This should work: #!/bin/bash if [ “$#” -eq 0 ] || [ “$#” -gt 1 ] ; then echo “hello” fi I’m not sure if this is different in other shells but if you wish to use <, >, you need to put them inside double parenthesis like so: if ((“$#” > 1)) …
>>> xs = [22, 13, 45, 50, 98, 69, 43, 44, 1] >>> [x+1 if x >= 45 else x+5 for x in xs] [27, 18, 46, 51, 99, 70, 48, 49, 6] Do-something if <condition>, else do-something else.
A common construct is to run a loop until something is found and then to break out of the loop. The problem is that if I break out of the loop or the loop ends I need to determine which case happened. One method is to create a flag or store variable that will let … Read more
Angularjs (versions below 1.1.5) does not provide the if/else functionality . Following are a few options to consider for what you want to achieve: (Jump to the update below (#5) if you are using version 1.1.5 or greater) 1. Ternary operator: As suggested by @Kirk in the comments, the cleanest way of doing this would … Read more
For string equality comparison, use: if [[ “$s1” == “$s2” ]] For string does NOT equal comparison, use: if [[ “$s1” != “$s2” ]] For the a contains b, use: if [[ $s1 == *”$s2″* ]] (and make sure to add spaces between the symbols): Bad: if [[“$s1” == “$s2”]] Good: if [[ “$s1” == … Read more