what r6s operator

What is an operator? This section mainly describes the Python operators . To give a simple example 4 +5 = 9. In the example, 4 and 5 are called operands, and "+" is called an operator. The Python language supports the following types of operators: 1. Arithmetic operators 2. Compare (relational) operators 3. Assignment operators 4. Logical operators 5. Bitwise ope

The role of the JS operator single vertical bar   A lot of friends are "", the Double vertical bar "", very familiar, because this often used. But do you know the single vertical bar? Today, a netizen QQ asked me, my JavaScript practical skills, JS small knowledge, this article inside, JS integer operation using a single vertical bar, ask me what is the meaning of single vertical bar?   I looked at the pr

called null Merge operators, which define the default values for types and reference types that can be null values. If the left operand of this operator is not NULL, this operator returns the left operand (the left expression) or, if the left operand is null, returns the right operand (the right-hand expression).?? operator is called the null-coalescing

nullable value types as well as reference types.">?? Operators are called null Merge operators, which define the default values for types and reference types that can be null values. If the left operand of this operator is not NULL, this operator returns the left operand (the left expression) or, if the left operand is null, returns the right operand (the right-hand expression).C # Code:Int? x = null; To

(object1==null) 5 return Object1; 6 Else 7 return Object2; 8 }NoteA variable of the nullable type (Nullable type) can either represent a value within the value range of the original type, or it can be assigned a value of null (about what type of nullable Type C # is, this article is for the reader's own Baidu first). So if the left operand is a nullable type variable with a value of NULL, you can use the??

The creation of virtual concept and the background of virtual operator In recent years, due to the rapid development of data service, voice service, video service and the improvement of communication network technology, all kinds of monopoly will be broken along with IP technology, especially VoIP technology becoming more mature and telecom opening up. The application of integrated voice, data and video services through packet networks has become mor

Represents two types of operators, one of which represents the value operator, and the other is the bitwise AND value operator int A = 1; int * P = ; // A indicates that the address in a is obtained and then assigned to the pointer variable, that is, A indicates the address in memory of variable. You can use the printf function to output this address. Bitwise AND ope