dwdm switch

We use the computer, occasionally will need to switch the user's situation more frequently, although the "win+l" switch process is not complicated, but the hot key + click "Switch User" button + input password, this series of action, before and after also need to use seven or eight seconds of time. In fact, only through a simple batch function, you can achieve in

Often thought to climb the mountains small, can, often and actually come to the beginning, Daniel, slowly step to my notes PA share it, please~ ——————————————————————————— Follow-up add more content: Application One: What are the members of the If family? --if/ifelse/stopifnot Application Two: How to consume real time output in the loop. ———————————————————————————————————— 1. Circulation # #循环for Iris allzl=unique (iris$setosa) for (i in 1:2) { pp=iris[iris$setosa==allzl[i],] plot ( Pp$

Three-tier switches and routers have routing capabilities. But the main function of the three-tier switch is still data exchange, its routing function is usually relatively simple, because it is mainly faced with a simple LAN connection, routing path is far from the router so complex, it used in the main use of the LAN or provide fast data exchange functions to meet the local area network data exchange frequent application characteristics. The main

Pvid English is interpreted as the Port-base VLAN ID, which is a port based VLAN ID. The vid is the meaning of the VLAN tag on the message. The ports on the switch are divided into three kinds of access layer port direct-attached devices, called access; one is the port between the switch and the switch is called trunk, and there is a pattern of access and trunk

Perhaps you have to switch the machine several times a day, sometimes you may want to use the CD-ROM, sometimes need to write off the replacement user, the normal operation, are through the screen of various menus to choose, although the way to operate very straight menu Sleep, but if you add some shortcut keys, can make your movements convenient and fast many, the bottom is the switch machine, logout, shu

First, see if there is an IME switch problem only in Word documents. Here's a good partner for Win7, as an example of the Word document in Office2010, to see how this IME switch resolves: Click "File-Options": In the Options window, click Advanced, and then from the Right Detail window, locate the IME control is active and tick it. Computer knowledge Restart Word to see if the problem is resolve

Tags: mysql database switch databasePHPWAMP8.8.8.8 version supports PHP integrated environment with one-click Switch Database , pure greensupport to switch any database, default full support MySQL and other common databases) The latest and oldest versions of the database can be toggled, while running different versions of the database! Perfect compatibility with

Tags: avoid interface img body CISC www. Work Mac desHow the Switch works Simply put, it is based on the source Mac learning-form cam table, which is forwarded according to the Cam table. Normally ARP broadcasts first, SW receives all exits after sending to this VLAN, all machine learns to update ARP cache. The target machine returns the unicast ARP reply to this machine. Then transfer the data (unicast). Also to a certain extent, to avoid the fl

When working with such problems, the server needs to switch from root to PostgreSQL to install the user to start the PostgreSQL service.The switch user and start PostgreSQL commands are as follows:# Switch to Pgsql user su postgres# starting Pg_ctl start -bash:pg_ctl:command not foundHint that the PG_CTL command does not exist, but it is certain that the previous

Switching between the root and user users in UbuntuUbuntu is a very popular Linux system recently, because Ubuntu does not start the root user by default, and now describes how to enter the root method.(1) switch from user to rootWhether you're logging in to Ubuntu in graphical mode or in command-line mode, we'll find the default userHowever, when we need to perform some root-permission operations (such as repairing system files), it is often necessar

Synchronize the original text to http://www.waylau.com/java-switch-use-string/When I try to use the string parameter in a switch statement (note ctrType as a string) switch (ctrType) { case "01" : exceptionType = "读FC参数数据"; break; case "03" : exceptionType = "读FC保存的当前表计数据"; break; default: exceptionType = "未知控制码："+c

switch Syntax structure :The switch statement is used to write a multi-branch structure program, similar to the If...elif...eles statement.The branching result of the expression of the Swtch statement is clearer than the If...elif...lese statement, and the code is more readable.# # # #python并没有提供switch语句 ######However: Python can implement the

. The code is as follows Copy Code $f = "/usr/local/lib/php3.ini";if (file_exists ($f)) {echo "The following is the PHP3 profile ReadFile ($f);echo "else echo "I'm sorry, I can't find $f";?> -------------------------------------------------------------------------------- The third type is recursive if. else loops, usually used in a variety of decision judgments. It will be several if.. Else take to combine the use of processing. Look directly at the examp