本课内容目前为英文。
Missing values and slow work
Two things break programs every day: a value that is not there (null) and work that takes time, like a network call. Modern C# has a tool for each.
本课内容目前为英文。
Two things break programs every day: a value that is not there (null) and work that takes time, like a network call. Modern C# has a tool for each.