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Preface This is Android 9.0 AOSP series Let's review the general contents of the previous articles. Pangu and Nuwa in Java World -- Zygote This paper mainly introduces the starting process of Zygote, the first Java process in Android world. Register server socket to respond to client requests Various preloading operations, classes, resources ...

8.1.5 Compressed network data The server in the next code list responds to a file name request with a stream compressor that writes a compressed version of the file to a socket that communicates with the client. import zlib import logging import socketserver import binascii BLOCK_SIZE = 64 class ZlibRequestHandler(socketserver ...

MySQL password change Check whether MySQL service is started. If not, use / etc/init.d/mysqld start [root@test-a ~]# ps aux | grep mysql root 2180 0.0 0.1 115432 1724 ? S 07:33 0:00 /bin/sh /usr/local/mysql/bin/mysqld_safe --datadir=/data/mysql --pid-file=/usr/local/mysql/mysqld.pid mysql 2390 0.9 17.8 1117648 180356 ? ...

Preface: Environmental Science: windown 10 Eclipse JDK 1.8 Concept of RPC: RPC is a remote procedure call and the basis of distributed web site. Experiment SayHelloService.java interface class for specification SayHelloServiceImpl.java is the implementation class of SayHelloService Provider.java is the service providing class C ...

Mysql database is a common database. When you practice the installation, you may encounter various problems. Please refer to the installation method of MySQL database in CentOS system. If you have any questions, please leave a message and I will answer them at any time. MySQL installation steps are as follows: Step 1: upload MySQL binary instal ...

This demo implements: Message broadcasting Heartbeat detection Chat via command line The specific logic is in websocket.go The core here is the global variable aliveList, which is responsible for distributing messages to clients. Events are passed through channel s to reduce blocking A single link will be registered in the Livelist, and ConnL ...

Before installation, please ensure that your server can access the Internet normally, and the firewall is closed. Turn off selinux 1. Supervisor installation yum install python-setuptools //Installation dependency easy_install supervisor mkdir /etc/supervisord.d/ //Create directory cd /etc/supervisord.d/ echo_supervisord_con ...

Java Socket framework Apache MINA: implement Socket server Now, Apache MINA is used to realize a simple Socket Server. The Server implements a simple function. When a Socket client connects, it sends a simple string "zhangphil" to the client. The Server-side program code is as follows: import java.net.InetSocketAddr ...

0. Intro BCC is a set of performance analysis tools based on ebpf of 4.x kernel; eBCC, as the name implies, is the abbreviation of extended BCC. It is the extension of the BCC project by Alibaba kernel team on Aliyun Linux, including the existing tool set of BCC itself and some small tools newly developed by us. eBCC is based on the extension o ...

1. How to obtain the request and response in spring aspect programming HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();//Get request HttpServletResponse response = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getResponse();//Get response   2. Exam ...