what var

1,var can only define local variables, but cannot define member variables2, the definition must be initialized at the same time, but not using VAR to define the variable is NULL3,var is not a new type in itself, it is used to modify a local variable

VaR that = this; in Javascript You may find someone else wroteCodeThere is such a sentence: var that = This;, what does this mean? In JavaScript, this indicates the current object. VaR that = This is to copy the current this object to that

Unable to obtain lock/var/lib/dpkg/lock, vardpkgProblem When you use apt-get install, the following message is displayed: E: unable to obtain the lock/var/lib/dpkg/lock-open (11: The resource is temporarily unavailable)E: The management directory (

The scope of variables defined by var in JScript does not remember when the JScript syntax tutorial was read. it is completely legal to ignore the var keyword when declaring a variable. At that time, because JavaScript was thought to be the

Delete the/var/lib/dpkg/info folder of dpkg by mistake. when installing the software today, the following error occurs: E: Sub-process/usr/bin/dpkgreturnedanerrorcode (1) the online query solution was misled by the Internet. I accidentally deleted

The file server inspection in/var/spool under freebsd finds that the/var/spool directory is full by the message queue, and the scheduled tasks are not set. switch directly to the change directory, and neither rm-fr * nor ls-l | xargsrm-f can be

Let secondsystem:Int = 0b10001 Let eightsystem:Int = 0o21 Let tensystem:Int = Let sixthsystem:Int = 0x11 SUMMARY:1.U need insert a "Enter" behind equal symbolLet num_a:Float = 1 Let num_b:Int = 1 Let A:Int = 3 Let B:Double = 0.1415926

E: EncounteredasectionwithnoPackage: header, E: ProblemwithMergeList/var/lib/apt/lists/****** solve the following error when installing software on Ubuntu recently: E: encounteredasectionwithnoPackage :... e: Encountered a section with no Package:

BelowArticleReprinted fromHttp://ipucu.murat.ws/bdb_db_open-warning-no-db_config-file-found-in-directory-varlibldap-2-2/ LDAP kuruldu baslatmaya calisiyorsunuz fakat asagidaki gibi Bir uyari aliyorsunuz ne yapmamiz lazim? [Root @ fedora ~]

Differences between defining functions in JavaScript using var foo = function () {} and function foo (), varfoo One day, when I wrote the code, the county road suddenly encountered this problem. Hoist behavior of JavaScript Functions and variable

Variable var and let constants in SwiftFirst introduce the Var and let in Swift(1) var is an abbreviated form of variable, which is the meaning of the variable and can be changed. Not a data typeLike what:Note that you do not need to add semicolons

10:34:45 kube-node3 journal:e0527 02:34:45.767392 1 config.go:322] expected to load Root CA config from/var/ RUN/SECRETS/KUBERNETES.IO/SERVICEACCOUNT/CA.CRT, but got err:open/var/run/secrets/kubernetes.io/serviceaccount/ Ca.crt:no such file or

Today, when installing SSH in Ubuntu, I reported the following error:E:could not get Lock/var/lib/dpkg/lock-open (11:resource temporarily unavailable)E:unable to lock the Administration directory (/var/lib/dpkg/), is another process using it?Checked,

When you run Apt-get update, the following error is reported:E: Unable to get lock/var/lib/apt/lists/lock-open (11:resource temporarily unavailable)E: Unable to lock the directory/var/lib/apt/lists/This problem is meant to be used for the apt-get

Error:E: Unable to get lock/var/lib/dpkg/lock-open (11:resource temporarily unavailable)E: Unable to lock the management directory (/var/lib/dpkg/), is there any other process that is consuming it?Workaround One:#:p S-aux (list process, form as)Root

Ubuntu Common error--could not get lock/var/lib/dpkg/lock resolves error via terminal installer sudo apt-get install XXX: e:could not get lock/var/li B/dpkg/lock-open (11:resource temporarily unavailable) e:unable to lock the Administration

Could not get Lock/var/lib/dpkg/lock-open (11:resource temporarily unavailable) e:unable to lock the administration D I alexander@alexander-virtual-machine:~$ sudo apt-get install-y httpdE:could not get Lock/var/lib/dpkg/lock-open (11:resource

The files in the/var/cache/apt/archives folder are the installation files that are downloaded when you use the sudo apt-get install appname, which can be cleaned up and, if your system is out of space, you can think of cleaning up from here and

The files in the/var/cache/apt/archives folder are the installation files that are downloaded when you use the sudo apt-get install appname, which can be cleaned up and, if your system is out of space, you can think of cleaning up from here and

Problem Description:After the 1.mysql installation is complete, use theService mysqld StartAlways appears start failed.2. The/var/lib/mysql/mysql.sock problem cannot be found with Mysql-uroot-p login.3. Use the service mysqld status to appear MySQL