what comment symbol

The first thing you know about computersIn character1. The computer can only recognize binary.2.1 bytes represents 8 bits 1Byte (bytes) =8bits (bits). Usually think of words to explain the smallest unit of computer,3. A 16 binary is equivalent to 4

1. Java Naming conventionsIn addition to the following exceptions, a full English descriptor should always be used for naming. In addition, lowercase letters should generally be used, but the class name, interface name, and the first letter of any

Virtual Host is a technology that builds multiple Web services on the same machine that belong to different domain names or based on different IP. You can refer to different IP and ports for each Web site running on the same physical machine, or you

Description: After the online plagiarism and their own summary and experiment, very detailed, can be left for reference.There are generally two ways to configure Yum:One is to configure the yum.conf file in the/etc directory directly, and the other

Java Overview Three big platforms for Javaa Java SE (a Java m Platform D standard Edition): Java standards Platform, which allows the development and deployment of Java applications used in desktops, servers, embedded environments, and live

Modify SSH ports and disable root telnet under LinuxAs we all know, SSH default port number is 22, to change the port number is 9688, need to edit/etc/ssh/ssh_config and/etc/ssh/sshd_config two files can;To disable root login, you need to edit

Look at that.>>> main prompt... Second promptPython solves the problem in two main ways: statements and expressions (functions, arithmetic expressions);ABS () function, output absolute value function.The absolute value of English is absolute value,

Samba has five levels of security, namely: Share: No Samba account is required to log on to the Samba serverUser: You need to add a Samba account to log into the Samba serverServer: The user is authenticated by another Samba server.Domain: Joins the

Use ArchLinux as an advanced Linux distribution, focusing on rolling updates and in-depth understanding of the Linux installation process.As a novice, you first choose to install it on your company's computer using VMware. Then gradually install the

Learn about the Caffe installation and record the installation process. Resources:1.caffe official website http://caffe.berkeleyvision.org/2.caffe git tutorial Https://github.com/BVLC/caffe3. Denny Study notes Http://www.cnblogs.com/denny402/p/506726

I. Adding multiple lines of comments 1. Vim's command mode (ESC enters command mode): 2. Press CTRL + V to enter visual mode (visual BLOCK); Note: The VIM command mode v enters the visual mode, CTRL + V. Enters the visual block, simple to

Feature Description: Sets or displays environment variables.Syntax: Export [-fnp][variable name]=[variable setting value]Additional note: When executing a program in the shell, the shell provides a set of environment variables. Export can add,

Vi/vim is the editor that is provided by default for all Unix/linux operating systems. Due to its powerful functions and efficient operation, Vi/vim has become one of the many editing tools that unix/linux users and administrators must master and

What is JSP1) Why is the servlet a dynamic web development technology?Servlet is a kind of dynamic interaction technology based on the service side,HttpServletRequest represents the client-to-server objectHttpServletResponse represents a

Basic concepts:HTTP: Is the most widely used Internet protocol, is a client and server-side request and response standards, for transmission from the WWW server hypertext to the local browser Transfer protocol, it can make the browser more efficient,

Multi-line Comments:1. Enter command-line mode, press CTRL + V to enter Visual block mode, then press J, or K to select multiple lines to mark the lines that need comment2. Press the capital letter I, then insert the comment, for example//3. Press

/* In the laboratory found that the document sent to too much trouble, simply in the laboratory to make a wiki, so the online collection of information, with a, because of the time rush, MediaWiki more advanced things did not come and see, and then

first open the FTP portInstall vsftp using the Apt-get command#apt-get Install Vsftpd-yAdd FTP Account and directoryCheck the position of the nologin first, usually under/usr/sbin/nologin or/sbin/nologin.Create an account using the following command,

Multi-line Comments:1. Enter command-line mode, press CTRL + V to enter Visual block mode, then press J, or K to select multiple lines to mark the lines that need comment2. Press the capital letter I, then insert the comment, for example//3. Press

1. Installing VSFTPD Yum Install vsftpd 2. Start/restart/shutdown VSFTPD Server [Email protected] ftp]#/sbin/service vsftpd Restart shutting down vsftpd: [OK] starting vsftpd for vsftpd: [OK] OK indicates that the restart was successful.Start and