var local

One, the external is global, the internal is a local variable.Two, plus Var is a local variable (within the method), without var as a global variable (once used within the method)var golbe= "global"function Test () { var local= "local";

Transferred from: http://blog.chinaunix.net/uid-24250828-id-3198922.html1)/var/log/secure: Record log in system to access data files;For example: POP3,SSH,TELNET,FTP, etc. will be recorded here.2)/ar/log/btmp: Record login This information record,

First explain the role of the Mysql.sock file:There are two ways to connect MySQL, the first is TCP/IP, the second is to use UNIX domain socketdirectly, which is more than TCP/IP block.Mysql.sock is available when the Mysql-server and client are on

1)/var/log/secure: Record the log in system Access data file; For example: Pop3,ssh,telnet,ftp and so on will be recorded here. 2)/ar/log/btmp: Record logged in this information record, has been encoded, so must be resolved by the last; For

1. The difference between "Var" and "Var" when declaring in JavaScriptWhen JavaScript declares variablesvar a = 111;AndA = 111;Is it the same in two different ways?650) this.width=650; "src="/img/fz.gif "alt=" Copy Code "style="

JavaScript is a product that follows the ECMAScript standard, the standard of natural ECMAScript to follow. Let's take a look at the definition and usage of the VAR keyword The Var statement is used to declare a variable. The creation of a

Start MySQL Error:ERROR 2002 (HY000): Can ' t connect to local MySQL server through socket '/var/lib/mysql/mysql.sock ' (111)1. Check the/ETC/RC.D/INIT.D/MYSQLD status first to see if M y S Q L has been started.Also see if it is a permission issue.2.

Start MySQL Error:ERROR 2002 (HY000): Can ' t connect to local MySQL server through socket '/var/lib/mysql/mysql.sock ' (2)1. Check the/ETC/RC.D/INIT.D/MYSQLD status first to see if M y S Q L has been started.Also see if it is a permission issue.2.

Can't connect to local MySQL server through socket '/var/run/mysqld. sock' (2), mysqldmysqld. sock I encountered a small problem connecting to the mysql database on ubuntu today. Can't connect to local MySQL server through socket '/var/run/mysqld.

There was a small problem connecting to the MySQL database on Ubuntu today.Can ' t connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock ' (2)The first use can also be used, suddenly it is not good, do not know whether it is not