Is there any difference in comparing a pointer with 0 or with NULL?
65694
What is the difference between NULL, '\0' and 0?
88920
Is using NULL references OK?
23964
Why does Java have a "NullPointerException" when there are no pointers in Java?
89714
What is the difference between Nullable.HasValue or Nullable != null?
81624
Is returning null bad design?
3941
What's the difference between ".equals" and "=="?
33772
Is there any difference in equals and == for String variables?
5377
Is there a standard function to check for null, undefined, or blank variables in JavaScript?
127005
' ... != null' or 'null != ....' best performance?
84171
What is the difference between a weak reference and an unowned reference?
641
Which overload will get selected for null in Java?
40674
What is the difference between null and undefined in JavaScript?
32886
What is the difference between != and =! in Java?
96843
What will happen when I call a member function on a NULL object pointer?
13109
Null or default comparison of generic argument in C#
54632
Dereferencing a pointer to 0 in C
1469
Is there a difference between "==" and "is"?