Is there a way to detect whether or not an input has text in it via CSS? I’ve tried using the :empty pseudo-class, and I’ve tried using [value=””], neither of which worked. I can’t seem to find a single solution to this. I imagine this must be possible, considering we have pseudo-classes for :checked, and … Read more
I have a file called diff.txt. I Want to check whether it is empty. I wrote a bash script something like below, but I couldn’t get it work. if [ -s diff.txt ] then touch empty.txt rm full.txt else touch full.txt rm emtpy.txt fi 11 Answers 11
How can I check if a variable is empty in Bash? 10 Answers 10
Which method is best (most idomatic) for testing non-empty strings (in Go)? if len(mystring) > 0 { } Or: if mystring != “” { } Or something else? 11 Answers 11
I saw this question, but I didn’t see a JavaScript specific example. Is there a simple string.Empty available in JavaScript, or is it just a case of checking for “”? 5 59
