1. dockerinstall
#dockerInstallation
sudo apt-get install docker.io
#Method of canceling common user sudo
#1. Create docker group:
sudo groupadd docker
#2. Add the current user to group docker:
sudo gpasswd -a ${USER} docker
#3. Restart service:
sudo service docker restart
#4. Refresh docker members:
newgrp - docker
2. image
Find and download mirrors
#Look up the mirror
docker search centos
docker search mysql
#Download mirroring (lastest for mirror version, without specifying default latest)
docker pull mysql:latest
docker pull centos:latest
Mirror operation
1 # List the mirroring ...
Related knowledge points: add to child nodes: document.appendClild ()
Creation of text nodes: document.createTextNode ()
Creation of element nodes: document.createElement ()
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script>
window.onload = function() {
document.getElementById("btn").onclick = function() {
//1.Get UL nodeVar ulEle = document.getElementById ("ulEle");//2, Chuang JianwenThis nodeVar textNode = document.createTextNode ("Gao Song");//3, ...
Each log group contains at least one log member. To be safe, it is recommended that each log group contain more than two members, and each log member is located at a different location.diskWhen writing logs, Oracle will write the same content into multiple members of the same log group.
There are at least 2 log groups, with the same size in each group and at least 1 members.
View log file groups and members;
SYS@testdb> select group#,bytes/1024/1024 M,members from v$log;
Additional members in log group
SYS@testdb> alter database add logfile member ‘/u01/app/oracle/oradata/tes...
Xcode” to use
> simulator shortcut key
cmd + shift + h Homekey
> search paths for configuring static and dynamic link libraries.
Click on project document
Select Build Setting and All in TARGETS, type search in the search bar, and find Library Search Paths
Enter the directory you need.
When you configure OpenCV, you can link libraries in this way, but that’s the only way to report errors, because each library in / usr / local / lib has a lot of versions, and the compiler doesn’t know how to choose, so look for libraries based on the linker’s current directory char...
77The minute phone call didn’t fix the other party.
1. Introduce the system and processing power of your company
System Overall Functional Architecture = & gt; Subsystem Module Functional Architecture == & gt; Subsystem Technical Architecture == & gt; Deployment Scheme == & gt; High Availability Disaster Tolerance Design
2. Database related, ACID
3. Distributed correlation, CAP, consistent hash, RPC framework
4. gdbMultithread debugging
5. vectorImplementation principles, other stl containers
6. new/delateUnlike malloc/free, overloading and rewriting differen...
What is Generic Host?
This is the addition of a new Host in Asp. Net Core 2.1, and now in version 2.1, there are two available Hosts.
Web Host –Host for hosting Web programs is a common WebHost created in the Mai function of an Asp. Net Core application using CreateWebHostBuilder.
Generic Host (ASP.NET Core 2.1Version only) – suitable for hosting non Web applications (for example, running background tasks). In future releases, the universal host will be applicable to hosting any type of application, including Web applications. The universal host will eventually replace the Web...
<!–pages/index24/index24.wxml–>
<button type=”default” bindtap=”actionSheetTap”>{{yuan}}{{menu}}</button>
<action-sheet hidden=”{{actionSheetHidden}}” bindchange=”actionSheetbindchange”>
<block wx:for-items=”{{actionSheetItems}}”>
<action-sheet-item bindtap=”bind{{item.bindtap}}”>{{item.txt}}</action-sheet-item>
</block>
<action-sheet-cancel class=”cancel”>Cancel < /action-sheet-cancel>
</action-sheet>
// pages/index24/index24.js
...
Question Description:
iosThe system has been popping up the “new iOS updates available, please update from iOS 12 beta” prompt, very annoying.
It should only appear on the phone that installs the beta version of ios12.
Solution:
Deletion of description file cannot be resolved.
There is a netizen mechanism to change the date to the previous day, can be solved, in this foundation there are netizens more witty, date to the previous year
But changing dates may affect the use of some applications. If you can accept the change of time, this method is good.
There is also a solution for ...
