Is there any difference between (null == var) and (var == null)
62074
Which is more effective: if (null == variable) or if (variable == null)?
5975
How to avoid returning a Null if there is no "else" condition in an If construct
151469
What is the difference between null and System.DBNull.Value?
94883
Why does comparing a SQL date variable to null behave in this way?
101146
Why can't I write Nullable>?
128709
Why is there a `null` value in JavaScript?
64884
Why `null >= 0 && null <= 0` but not `null == 0`?
134689
Setting an object to null vs Dispose()
153624
What's the difference between is_null($var) and ($var === null)?
127800
SQL: Using NULL values vs. default values
12827
Are nullable types reference types?
83354
Nullable types: better way to check for null or zero in c#
124471
Comparing nullable column values using "IS NULL" versus "= NULL"
94973
Why type "int" is never equal to 'null'?
68876
Conditional operator assignment with Nullable types?
125549
Does assigning null remove all event handlers from an object?
151825
Is there any difference between "foo is None" and "foo == None"?