explain conditional operator

I. Switch-caseSwitch-case statements are mainly used in environments with multi-branch conditions where the use of if statements can be cumbersome and inefficient.switch (expression){Case Const EXPRESSION1:....Case Const

3 forms of an IF statement 1 an if (expression) statement. For example: if (x>y) cout The execution of this if statement is shown in the following figure. 2 if (expression) statement 1 Else Statement 2 For example: if (x>y)

Conditional executionIn the previous sections we described how to define data and perform basic operations, and in order to have a thorough understanding of the data, we introduced a binary representation of various types of data.Now, let's review

Speaking of operators, basically all kinds of programming languages will be involved, the use of similar methods. Here's a simple collation of JavaScript here today. In general, operators are still relatively much more, can be divided into the

In ECMAScript, there are very rich operators and operator, in this article will be the usual classification to slightly tidy up, but before sorting, first explain: 1, although the title is the operator and operators, however, in my opinion, there is

Comma operator:,allows grouping of two statements, one of which is expected. expression, expression NoteThe comma operator has left-to-right affinity. A comma-delimited two expressions are evaluated from left to right. The left operand

Transferred from: http://www.cnblogs.com/magialmoon/archive/2013/11/23/3439042.htmlMySQL official manual description of the explain naming document: Https://dev.mysql.com/doc/refman/5.7/en/explain-output.html#explain_select_typeThe recent slow

Pit operator, pit Operator   I. Operator priority Two days ago, I saw an essay on the garden's homepage. I couldn't find the essay address (I'm sorry), but I still remember one or two of the code snippets, probably as follows: Thread t =

Speaking of operators, basically all kinds of programming languages are involved, the use of a similar way. Here is a simple collation of JavaScript here today.In general, operators are more than the comparison, can be divided into the following

logical operators A logical operator that combines an expression containing a relational operator to form a new expression; The result is either true or false, and the result value is stored with the BOOL type variable.