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How does a garbage collector avoid an infinite loop here?
Consider the following C# program, I submitted it on codegolf as an answer to create a loop without looping:
3 Answers
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LINQ to Entities only supports casting EDM primitive or enumeration types with IEntity interface
... What you're seeing here is a compiler time constraint which allows the C# compiler to determine that T is of type IEntity within the method so is able to determine that any usage of IEntity "stuff" is valid as during compile time the MSIL code generated will auto perform this check for you prior...
Identify if a string is a number
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int n;
bool isNumeric = int.TryParse("123", out n);
Update As of C# 7:
var isNumeric = int.TryParse("123", out int n);
or if you don't need the number you can discard the out parameter
var isNumeric = int.TryParse("123", out _);
The var s can be replaced by their respective types!
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Difference between is and as keyword
Please tell what is the difference between is and as keyword in C#
14 Answers
14
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What is global::?
In C# I see global:: used quite often in auto-generated code. It is not something I have ever used myself so I don't know what the purpose is. Can someone explain this?
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What is the Java equivalent for LINQ? [closed]
...t know if there is a JCP for it. LINQ necessitated several changes to the C# language, given the speed the JCP works at I wouldn't hold my breath.
– AgileJon
Aug 1 '09 at 23:14
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Type Checking: typeof, GetType, or is?
...s Foo)
Foo foo = (Foo)obj;
requires two.
Update (Jan 2020):
As of C# 7+, you can now cast inline, so the 'is' approach can now be done in one cast as well.
Example:
if(obj is Foo newLocalFoo)
{
// For example, you can now reference 'newLocalFoo' in this local scope
Console.WriteL...
A field initializer cannot reference the nonstatic field, method, or property
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No, the compiler cannot rearrange the initializers. The C# Language Specification states, under the section "10.5.5.2 Instance field initialization", the following: The variable initializers are executed in the textual order in which they appear in the class declaration. This is e...
How do I find the .NET version?
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csc outputs the version of the C# compiler, not the version of the .NET Framework.
– Timwi
Aug 18 '11 at 15:17
4
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How do I import a namespace in Razor View Page?
...nse doesn't hint to add the using statement the same way it does in normal C# pages.
– Triynko
Sep 4 '15 at 22:15
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