Avoid collection was modified enumeration operation may not execute
8709
Collection was modified; enumeration operation may not execute
126006
How to find out if an Object is a collection or single value?
36524
How can elements be added to a wildcard generic collection?
80649
C#: Any way to skip over one of the base calls in polymorphism?
45591
I want to apply a difference boolean using a collection and not an object
89607
Why do C# collection initializers work this way?
101013
Puzzling Enumerable.Cast InvalidCastException
11186
Why enums require an explicit cast to int type?
60308
Anyone know a good workaround for the lack of an enum generic constraint?
117500
default(T) with empty collection instead of null
66267
EF 4: Removing child object from collection does not delete it - why?
145848
Can Resharper be set to warn if IDisposable not handled correctly?
47840
How to avoid nested With[]?
57818
Is it possible to handle exceptions within LINQ queries?
24214
Why does IEnumerator inherit from IDisposable while the non-generic IEnumerator does not?
141087
Empty line (in code) before enumerate environment
85160
"Items collection must be empty before using ItemsSource."