id() python difference between the == and 'is'
1469
Is there a difference between "==" and "is"?
17078
if(false==condition). Why?
4772
Difference between "not equal" operators  and != in PHP
63854
How do boolean operators work in 'if' conditions?
32479
What's the difference between => , ()=>, and Unit=>
99447
What is the difference between String? and String! (two ways of creating an optional variable)?
151816
What is the semantics of 'is' operator in Python?
50792
In Python, what is the difference between ".append()" and "+= []"?
33772
Is there any difference in equals and == for String variables?
152763
php == vs === operator
58312
Why does (0 == 'Hello') return true in PHP?
72519
What's the difference between "==" and "=~"?
120169
Expected identifier, string or number
11189
'is' operator behaves differently when comparing strings with spaces
93772
Why is isNaN(null) == false in JS?
53664
What's the difference between equal?, eql?, ===, and ==?
153624
What's the difference between is_null($var) and ($var === null)?