switch structure

The rapid development of computer network technology and application has promoted the continuous improvement of the degree of social informatization, while the improvement of information demand has promoted the emergence of new network technologies.

Switch case is a qualified data in js, which is much simpler than if else. Next I will introduce my understanding of js switch case. In the if Condition Statement, only one logical condition can exist. if multiple conditions exist, you can use

There are many things worth learning about layer-3 switches. Here we mainly introduce the application of the new technology of layer-3 switches. CrossBar (CrossPoint) is called a cross-switch matrix or a horizontal-exchange matrix. It is recognized

With the development of enterprise network applications, people are no longer satisfied with the desktop network speed of 100 MB. Many people are looking for faster LAN connection technologies, using Gigabit Ethernet or faster 10-Gigabit technology.

What is the largest and fastest LAN switch? This is actually a question with many complex answers, and the answer depends on how you define "big" and "fast ". 3Com, Extreme, Force10, Foundry, HP ProCurve, Cisco, and other Ethernet switch vendors

C Language 32 Keywords First Category: Data type keywords A basic data type (5) void Declares that a function has no return value or no parameter, declares an untyped pointer, and explicitly discards the result of the

Note: This shows the encoding specification from the PHPCMS development documentation. Although it is called the PHPCMS development specification, I think this is the case for all PHP programming. After writing so many PHP codes, many codes may not

This article mainly introduces how to use PHPgoto statements and the goto operator. For more information, see the goto operator to jump to a specified position in the program. You can add a colon to the target location. PHP has certain restrictions

PHP goto operator Can be used to jump to another location in the program. The position can be marked with the target name plus a colon, and the jump instruction is the position marker that the target is connected to after Goto Some restrictions

: This article mainly introduces PHP learning (9)-Special process control statements. if you are interested in the PHP Tutorial, refer to it. Special process control statements If you want to implant a loop during the execution of the loop

Asp tutorial. net switch statement usage (C, C #)A switch statement is a control statement that processes multiple choices and enumerations by passing a case statement to the body.Int caseSwitch = 1;Switch (caseSwitch){Case 1:Console. WriteLine

-------Add--------When defining constants, it is recommended to determine whether a constant name is defined, to be judged by defined (), and to return a Boolean typeif (!defined ("POEM")) {//Not definedDefine ("POEM", "Du Fu");}---------------------

Only so called " advanced " usage, because I even switch the most basic usage has not mastered, so, the next is actually the basic usage of it!A switch statement is similar to a series of IF statements that have the same expression. In many cases it

1. Let the user enter a score (0-100), determine which range the score belongs to and output the results (first draw a flowchart in Word)(90-100->a 70-90->b 60-70->c Import Java.util.Scanner;public class Problem1 {public static void Main (string[]

Prior to doing the project encountered a problem, the code is roughly as follows:Switch ($a) {case $a >=1000 && $a =5000 && $a If $ A >0 is not a problem, when $ A =0, the problem will come, the program will output: VIP1;Later, it should be the

1. = =JavaScript has two sets of equality operators, one set = = and! =, and the other is = = = and!==. The former compares only the values of equality, while the latter compares the same types in addition to the values.Please try not to use the

The override overload method can be used in Scala classes The functional classes defined by Scala cannot be changed, so that the arguments passed in will need to be examined in advance and can be require by means of the methods in the

PHP Security basic principles and methods. read the basic principles and methods of PHP Security. Principles: 1.2.1. the principle of deep defense is the principle of security professionals. it illustrates the value of redundant security measures,

Document Warehouse Address: Https://github.com/hfcorriez/fig-standards PSR Standard Chinese version PSR-0 Automatic loading PSR-1 Basic Code specification PSR-2 Code Style PSR-3 Log Interface Why standardize Excerpt

Code Specification for PHP development In the process of writing PHP, more and more feel the importance of standardization, today on the network to see predecessors write articles, special turn to learn. The original address is: http://blog.csdn.net/