what var

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

var is a 3.5 new definition of the type of the variable is actually the weakening type of the definition of Var can be substituted for any type of compiler will be based on the context to determine what type you want to use in the case of Var I

From Visual C #3.0, variables declared in the method range can have implicit type var. Implicit local variables are strongly typed (as if you have declared this type), but the type is determined by the compiler. The following two I declarations are

In C #, the introduction of VaR is 3.0, but so far it has not been used in other places except in LINQ. C # is a strongly typed language. var is introduced to support anonymous data types. variables declared by VAR are used inside the method and

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.

JS fault tolerance is high, some other languages common small error JS can be generous tolerant, such as to a method to pass over the expected parameters, before declaring the variable (variable declaration promotion solved this problem) and so on,

unable to get lock/var/lib/dpkg/lock e:could not get Lock/var/lib/dpkg/lock-open (one Resource temporarily unavailable) An output error similar to the following occurs when you perform the command of sudo apt-get XXX: E:could not get

SSH is not available because of/var/lib directory permissions A colleague of the morning said a server SSH login is not. Initially thought that the SSH service did not start, the execution service sshd status. Linux-34:/var/lib # service SSHD

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

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.

The official documents are described as follows:3 Installing Oracle Grid Infrastructure and Oracle Real application ClustersCaution:After installation are complete, does not remove manually or run cron jobs that remove/tmp/.oracle or/var/tmp/.oracle

To put it simply: let is a bugthat fixes the scope of var and becomes more useful. Let is the better var. var is scoped to a variable defined by var at the scope of the function, scoped to a function body, not the curly braces {} that we

The latest project to use the Spark platform, whether it is to see the source code or writing programs need to use the Scala language, after two days of contact, the map map here a bit of doubt, do a bit of testing after a note of their own

In JavaScript, var is used to declare a variable, but this syntax is not strictly required. If you modify it many times, you can directly use a variable instead of using var to declare it. Var x = "XX "; Y = "xxx "; And so on. This has a problem.

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The VAR keyword is a new feature of c#3.0, called inferred type (in fact, the definition of a weakened type).VAR can replace any type, and the compiler will determine what type you want to use, like object, based on the context, but the efficiency

JavaScript var is used to define a variable, which is commonly used to define or invoke a property or method. However, in the global scope, this and var define variables are equivalent.WindowConsole.log (' window: 'var name = ' Stone 'this. Name = '

This is a creation in Article, where the information may have evolved or changed. The go language defines variables using the keyword VAR, such as: Var x int=4 can also be written x:=4; In a function, a := concise assignment statement can be used as

RoleDeclare a function, such as declaring a variable.Grammar　? 1 varc = 1; Omit VarIn JavaScript, if you omit the var keyword and assign it directly, the variable is a global variable, even if it is defined in a

All Essays/CSS3As the front-end small white, keen front-end technology, recently learning CSS3. A few days ago saw an article: "must understand the CSS variable (var)", see this title is immediately attracted. Naninani? is var not a JavaScript