What are the advantages from using as and then comparing with null over is and a direct cast?
13870
Direct casting vs 'as' operator?
1469
Is there a difference between "==" and "is"?
59231
What is the " := " operator in (VB).NET or what is it good for?
84068
Why are values in Entites obtained directly and sometimes by using getters?
125727
INT comparison without WHERE statement
62074
Which is more effective: if (null == variable) or if (variable == null)?
154567
difference between null != something and something != null
38241
How do I check for nulls in an '==' operator overload without infinite recursion?
127005
' ... != null' or 'null != ....' best performance?
127039
What is the difference between & and && in Java?
10286
When to use a Cast or Convert
114718
Is there a DBMS that allows the "= NULL" syntax?
109876
In the msdn guidance on Equals override, why the cast to object in the null check?
145384
What's the difference between 'int?' and 'int' in C#?
134689
Setting an object to null vs Dispose()
80409
How does the Java cast operator work?
124080
How does the assignment of the null literal to a System.Nullable type get handled by .Net (C#)?