pre increment

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Prefix and suffix of the auto-increment and auto-increment operators, and suffix of the operator prefix.

Prefix and suffix of the auto-increment and auto-increment operators, and suffix of the operator prefix. There is such a question in the exam: 12 inta = 4;(++a) += i; Evaluate the value of a. The correct answer is 10. If you think

Note 01: Pre-increment after increment i++;++i;

Before looking at the video course, it is not clear before the increment, after the increment, the amount of pre-decrement, after the reduction of the piece, this now know what happened, need to record down so that later. var m = 10; var n =

[To] the teaching research of self-increment-subtraction operator in C language-China paper net

Absrtact: In C language teaching, the self-increment self-subtraction operator is widely used, and it has certain skill and difficulty. Among the many operators, the self-increment decrement operator is the most difficult to understand and the most

C Language (ii) the combination of the increment operator + + and the indirect access operator * and the application Mode

The self-increment operator + + has both prefixes and suffixes, and in conjunction with the indirect access operator *, because of the effects of order, parentheses, and binding relationships, it is easy to misunderstand and produce the wrong

InnoDB some problems with self-increment keys vs MySQL get the next value from the Increment field

Today found in bulk INSERT, the self-increment primary key is not continuous ....InnoDB auto_increment Lock ModesThis section describes AUTO_INCREMENT the behavior of lock modes used to generate auto-increment values, and how each lock mode aff ECTS

Thinking of C + + increment (increment) operator overloading

In the previous chapters we have been exposed to the overload of the increment operator, at that time we did not distinguish between the previous increment and the ++a difference, under normal circumstances we are not separate from the a++, but it

Java Personal learning Note self-increment (pre-and post) assignment operation (extended assignment operation) logical operator

+ + self-increment front: First operation after the value a=3; B=++a; a=4; b=4;+ + + self-increment: First take value after Operation A=3; b=a++; a=4; b=3;--self-reducing pre-set: First operation after the value a=3; b=--a;a=2;b=2;--Self-reduction

Overloading of increment operators

+ + increments each have pre-increment and post-increment differences, while overloaded operators, although the function names are the same, there should be a corresponding difference. The result of the increment operator before an integer variable

More effective C + + clause 6 distinguishes the increment/decrement operator from the front (prefix) and post (postfix) forms

1. Since the pre-increment and post-increment operators are unary operators, the overloads are distinguished by adding an int parameter (dummy parameter) to the post-increment, and when the post-increment is called, the compiler automatically

Some problems of innodb self-increment primary key

Background:Self-growth is a very common data attribute, and in MySQL everyone is willing to let the field of the self-growth attribute be a primary key. In particular InnoDB, because of the characteristics of the InnoDB clustered index, using fields

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