编程问答

Unique ways to use the null coalescing operator(使用空合并运算符的独特方法)
Easier way of writing null or empty?(更简单的写空或空的方法?)
Checking if an object is null in C#(在 C# 中检查对象是否为空)
C#: should object variables be assigned to null?(C#:应该将对象变量分配给 null 吗?)
How do I handle null or optional DLL struct parameters(如何处理 null 或可选的 DLL 结构参数)
C#: Passing null to overloaded method - which method is called?(C#:将 null 传递给重载方法 - 调用哪个方法?)
Json Convert empty string instead of null(Json 转换空字符串而不是 null)
What is the difference between quot;x is nullquot; and quot;x == nullquot;?(“x 为空和“x 为空有什么区别?和“x == null?)
Deep null checking, is there a better way?(深度空检查,有没有更好的方法?)
What is the difference between Nullablelt;Tgt;.HasValue or Nullablelt;Tgt; != null?(NullableT.HasValue 或 NullableT 之间有什么区别?!= 空?)
C# okay with comparing value types to null(C# 可以将值类型与 null 进行比较)
What is the difference between null and System.DBNull.Value?(null 和 System.DBNull.Value 有什么区别?)