query: What is the best way of testing that a string is empty?
positive_passages.docid: 23586
positive_passages.text: What is the difference between String.Empty and "" (empty string)?
negative_passages.docid: 145303
negative_passages.text: Equivalent of !$A.util.isEmpty() in LWC
negative_passages.docid: 91340
negative_passages.text: Testing if a variable is empty in a shell script
negative_passages.docid: 30417
negative_passages.text: How can I test an NSString for being nil?
negative_passages.docid: 576
negative_passages.text: How can I check for an empty/undefined/null string in JavaScript?
negative_passages.docid: 125502
negative_passages.text: Empty set literal?
negative_passages.docid: 142644
negative_passages.text: Why are empty catch blocks a bad idea?
negative_passages.docid: 106570
negative_passages.text: Testing for an empty array object in JSON with jQuery
negative_passages.docid: 153835
negative_passages.text: Bash scripting: test for empty directory
negative_passages.docid: 126
negative_passages.text: How do I compare strings in Java?
negative_passages.docid: 79162
negative_passages.text: Javascript null or empty string does not work
negative_passages.docid: 121399
negative_passages.text: Changed behavior of string.Empty (or System.String::Empty) in .NET 4.5
negative_passages.docid: 103417
negative_passages.text: Why is String.IsNullOrEmpty faster than String.Length?
negative_passages.docid: 109927
negative_passages.text: JavaScript null check
negative_passages.docid: 49446
negative_passages.text: How to check for an undefined or null variable in JavaScript?
negative_passages.docid: 106258
negative_passages.text: What is the reason that an empty string evaluates to false in Javascript
negative_passages.docid: 43229
negative_passages.text: How to check if a string contains only digits in Java