小编lst*_*iak的帖子

Glassfish4正在使用Moxy将REST响应序列化为JSON.有谁知道如何配置应用程序使用杰克逊而不是Moxy？

I'm migrating my F# code from dotnet3.1 to 5 and struggling with following code:

        let tryRemove key (dict: Concurrent.ConcurrentDictionary<'a, 'b>) =
           match dict.TryRemove(key) with
           | (true, v) -> Some v
           | (false, _) -> None

In 3.1 TryRemove returned tuple, in version 5 it returnes only boolean value. To get value from dictionary I need to pass reference as second parameter of TryRemove. What is the correct way to do it and avoid returning null v?

I have tried …