Category "equality"

How do I compare strings in Java?

I've been using the == operator in my program to compare all my strings so far. However, I ran into a bug, changed one of them into .equals()

Checking equality of interface{}

I am searching a []interface{} slice for a given interface{} value: var v interface{} for i := 0; i < len(A); i++ { if (A[i] == v) { fmt.Println("Gotc

Strange value comparison issue in Kotlin, "===" returns true but "==" returns false

I have encountered a very strange value comparison issue in Kotlin that I cannot explain, the following code prints false data class Foo ( val a: Byte ) fun

What is the difference between "is" and "=="? [duplicate]

What is the difference between these two pieces of code in the boolean world: 1 is 1 and 1 == 1 I found two web pages that describe it,

How do I check for null values in JavaScript?

How can I check for null values in JavaScript? I wrote the code below but it didn't work. if (pass == null || cpass == null || email == null || cemail == null

How to implement C++ (in)equality operators for aggregate structs?

Sometimes I have structs such as this -- struct aggregate1 { std::string name; std::vector<ValueT> options; size_t foobar; // ... }; -- where (