Pms start process and pms Start Process
1. Start PackageManagerService. main in SystemServer
2. newPackageManagerService () and add it to ServiceManager
3. newinstaller (establish a socket connection between installer and installd, and finally implement install, remove, dexopt, and other functions at the underlying layer)
4. Get information in the xml file th
Bootstrap framework-Quick Start and Quick Start of bootstrap What is Bootstrap?
Bootstrap is a front-end framework used to quickly develop Web applications and websites. A set of HTML, CSS, and JS frameworks developed by Mark Otto of Twitter and Jacob Thornton. Bootstrap is developed based on HTML5 and CSS3. It makes more personalized and humanized improvements based on jQuery to form a unique website style
First stop, start, start
I have not developed a good habit of writing blogs before. I have written some scattered things on other blog websites. It is not so much a blog as a casual note, there is no depth and no logic, so it has not greatly improved over the years. I started to look for a job in February. I encountered many setbacks and made some test and machine tests. I finally received a HR call at noo
C Quick Start series (3) and c Quick Start Series
C Quick Start series (3)
Structured Programming
----------------------------------- For reprinting, please indicate the source: coder-pig
This section introduces:
In the previous study, we had an understanding of the basic syntax of the C language, which can be understood as a word for the moment;
What we need
Small white engage in appium, encounter the problem that can not start activity:Find a solution said to be related to Androidmanifest.xml, reference: https://github.com/appium/appium/issues/4313After opening androidmanifest.xml, add at main activity and intent entrance:Android: exported="true" Problem solved immediately, finally can launch the app!Hope to help the new students.Appium runtime does not have permission to
Error:unable to start the daemon process. This problem might is caused by incorrect configuration of the daemon. For example, a unrecognized JVM option is used. Refer to the User Guide chapter on the daemon at Https://docs.gradle.org/4.1/userguide/gradle_daemon.htmlPlease Rea d The following process output to find out more:-----------------------Error occurred during initialization of Vmcould not Reserve enough space for 1048576KB object heapWorkarou
Quick Start Grey Solution
The first step: We right-click the Start menu of the Win10, and then we click on the " Power Options " option, the effect is shown below.
Step two: Then after the Power Options panel is ejected, we then click on the " Select the function of the power button " and we choose the following.
Step three: After we enter the system Setup interface, under " Shutdown Settin
1. We right click on the computer in the metro empty fold, and then there will be a "down arrow" we click on it.2. Then you go to the beginning of the application, as shown in the following figure:
3. Now we find the application we want to add to the Start screen, as shown in the following figure
4. If I use the "User Manual" program, I right click on the program, and then pop-up prompts us to select the "fixed to"
Turn on the Quick Start camera function, you can achieve a continuous press home key two times to quickly start the camera, if you want to turn on the function, please follow these steps:
1. Under the Standby page, click on "Camera".
2. Click on the "Pinion" icon in the upper left corner of the screen.
3. Click on the "Quick Launch" right slider and the green rep opens.
A long time to display when starting mysqldTimeout error occurred trying to start MySQL Daemon.Display when terminal enters MySQLERROR 2002 (HY000): Can ' t connect to local MySQL server through socket '/var/lib/mysql/mysql.sock ' (2)Later found to be/var/log/httpd/the next log file will be full of disk space caused by the deletion after the restart of the server is good.Apache Log management and large log cleanup methods There are three ways to round
Problem Description: I can not solve some of the problems Django encountered in two days, I learn to watch video learning, the video does not explain something, I am synchronizing the database, cannot command the start. The manage.py file cannot be started, the command line error is unable to import Django, the latter do not know how to modify, the browser reported errors for the operation error: Operationalerror at/userinfo/No such table:bolg_
Tags: style http ar os SP strong data on problem1. Basic phenomenon: The MSSQLServer service cannot be started, and a 17051 error is reported by manual start.2. Workaround:First step: Enter the installation center in the SQL2008 Configuration tool,Second step: Re-enter the maintenance interface, select Version upgrade,Step three: Entering the product key, entering the keyDeveloper: pttfm-x467g-p7rh2-3q6cg-4dmybEnterprise: JD8Y6-HQG69-P9H84-XDTPG-34MBB
According to the analysis on the startup of the android INIT process in the previous section, the INIT process parses and processes the INIT process. RC and init. hardware. the RC two initialization script files define a series of service sections in the two initialization script files. These services, under the boot trigger, use class_startDefault is started sequentially. The process is summarized as follows:
1. init parsing init. RC
2. init put the service in init. RC into the queue and wait f
Article Title: Linux self-start and timed startup programs. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
1. automatically run the program at startup
After Linux is loaded, it initializes the hardware and device drivers, and then runs the first process init. Init starts other processes based on the configuration
Start with python and start with python
1. tranceback is a record
2. print (name. title () uppercase letters
Print (name. upper () Capital
Print (name. lower () lower case
Print ("Hello," + full_name.title () + "! ") Splicing
Print ("language: \ n \ tPython \ n \ tC \ n \ tJavaScripht") line breaks, tabs
Favorite_language.rstrip () removes white space
3. Technically, print in Python 3 is a function, so brac
Mysql database Quick Start (1), mysql database Quick Start1. Database Operations
1.1 connect to the mysql server
Mysql-u root (User Name)-p
1.2 exit the mysql Command Prompt window.
Exit
1.3 view version
Select version ();
1.4 list databases
Show databases;
1.5 create a database
Create database if not exists [database] default charset UTF8;
1.6 Select the database to operate
USE [database];
1.7 delete a database
Grop database [database];2. Table opera
Python programming Quick Start Chapter 6 practical project reference code, python Quick Start
The Code is as follows:
A function is used to display the list in a well-organized table. Each column is right aligned.
tableData = [['apples', 'oranges', 'cherries', 'banana'], ['Alice', 'Bob', 'Carol', 'David'], ['dogs', 'cats', 'moose', 'goose']]
'''
Apples Alice dogsOranges Bob c
C ++ Learning (9) Quick Start: String class, Quick Start: string
You can use the string class instead of character array to store strings. string is simpler.
If you use the string class, you need to include the header file string in the program, which is located in the std namespace. The string class hides the array nature of the string and can process the string like a common variable.
Program list 4.7 str
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