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This article is an introduction. This article continues< Common commands for Docker image operation> Software image (e.g. weChat.exe) ---- run image - > generate a container (running software, running wechat program); operation command Explain Function docker run --name container-name -d image-name ...

1 the setting environment is as follows: Primary database IP 172.17.22.16 SID orcl Standby database IP 172.17.22.17 SID orcl Set prompts to distinguish the location of operations primary database set SQLPROMPT Primary> standby database set SQLPROMPT StandBy> 1. Set Archive Mode + force log on Primary side Make sure the pri ...

How to read all files in a folder in Java? #1 building import java.io.File; public class ReadFilesFromFolder { public static File folder = new File("C:/Documents and Settings/My Documents/Downloads"); static String temp = ""; public static void main(String[] args) { // TODO Auto-generated method stub System.out.println("Re ...

** mysql-proxy ** A powerful function of MySQL Proxy is to realize "read-write separation". The basic principle is to let the main database handle write transactions and the slave database handle SELECT queries. Amoeba for MySQL is an excellent middleware software, which can also achieve read-write separation, l ...

Oracle access to files requires UTL file, which is an Oracle built-in package. Permissions need to be granted: Create directory TEMP as' d: / test '; -- create directory and authorize. TEMP is the given path name Grant read, write on directory temp to ctmpmart? WF; -- grant permission to read and write directory Grant execut ...

1. Parameter type of JVM Tools documentation https://docs.oracle.com/javase/8/docs/technotes/tools/unix/ 1. Standard parameters         2. - X parameters Nonstandard parameter: it may be different in different versions of JVM java defaults to mixed mode For example, change java mode to interpretation mode: java -Xint -version ...

1. Add a new hard disk and format it [root@localhost ~]# cd /dev [root@localhost dev]# ls [root@localhost dev]# fdisk /dev/sdb [root@localhost dev]# mkfs -t xfs /dev/sdb1 2. Create orc directory [root@localhost dev]# mkdir /orc 3. Modify the host name [root@localhost ~]# vim /etc/hostname #Add the following to the last line HOSTNAME=oracle 4. ...

quick get start Next we use jython to call the classes in the custom jar package. Edit java file: Beach.java public class Beach { private String name; private String city; public Beach(String name, String city){ this.name = name; this.city = city; } public String getName() { return nam ...

Error reporting of initialization temporary password after mysql8.0.11 is installed successfully View mysql version number after successfully installing mysql 8.0.11 Execute the initialization command mysqld --initialize --console to report an error Causes and Solutions Log in to MySQL with a temporary password and change the ...

System version: CentOS 7.4 top 17:49:04 // current time up 3: 55 // System running time, format: minute 2 users // Number of currently logged in users load average // The three values are the system load in 1 minute, 5 minutes and 15 minutes respectively Tasks // Total process running // Number of running proces ...