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c# Programming Glossary: disallowed

Singleton double-check concurrency issue

http://stackoverflow.com/questions/10281044/singleton-double-check-concurrency-issue

different optimization strategies that are allowed and disallowed. Remember that no reads or writes are allowed to float down..

Cannot use ref or out parameter in lambda expressions

http://stackoverflow.com/questions/1365689/cannot-use-ref-or-out-parameter-in-lambda-expressions

Why can't a list of an interface type accept intances of an inheriting interface?

http://stackoverflow.com/questions/14621564/why-cant-a-list-of-an-interface-type-accept-intances-of-an-inheriting-interface

do not see any clear reason why this direct conversion is disallowed. The values contained in a list of ISecondary should after all..

Why can't I use interface with explicit operator? [duplicate]

http://stackoverflow.com/questions/2433204/why-cant-i-use-interface-with-explicit-operator

C# spec spells this out. The short version is that it's disallowed so that the user can be certain that conversions between reference..

Why can't I define a default constructor for a struct in .NET?

http://stackoverflow.com/questions/333829/why-cant-i-define-a-default-constructor-for-a-struct-in-net

all members to zero or null . Does anyone know why it is disallowed to define such a default constructor One trivial use is for..

Why can't I modify the loop variable in a foreach?

http://stackoverflow.com/questions/3551696/why-cant-i-modify-the-loop-variable-in-a-foreach

because it is a 'foreach iteration variable' Why is this disallowed Trying to assigning to it probably wouldn't do what you want..

Static Indexers?

http://stackoverflow.com/questions/401232/static-indexers

Indexers Why are static indexers disallowed in C# I see no reason why they should not be allowed and furthermore..

In .NET 4.0, how do I 'sandbox' an in-memory assembly and execute a method?

http://stackoverflow.com/questions/5997995/in-net-4-0-how-do-i-sandbox-an-in-memory-assembly-and-execute-a-method

assert permissions in the AppDomain since you've disallowed access to the file system. Here's an example snippet of that..

The type 'string' must be a non-nullable type in order to use it as parameter T in the generic type or method 'System.Nullable<T>'

http://stackoverflow.com/questions/9236468/the-type-string-must-be-a-non-nullable-type-in-order-to-use-it-as-parameter-t

no point in allowing things like Nullable string so it is disallowed. Also if you are using C# 3.0 or later you can simplify your..