Programmer Group

I am a little white one, because the company needs to use RabbitMQ, I will look for data to install.Now I'll write down the steps and problems I've encountered to help you. System: centOS final6.5 Download directory for files: /home/lmy/opt Installation directory: /opt I have the current directory in every step of my code, and switching di ...

How does thread security come about? Common examples are the operation of a non-thread-safe variable outside a thread within a thread. Thread security and synchronization must be considered at this time. - (void)getIamgeName:(NSMutableArray *)imageNames{//Suppose every entry is a thread. /*1.imageNames It is a variable outside the threa ...

1. Initialize server state structure The initial server variable is completed by the redis.c/initServerConfig function with the following source code void initServerConfig() { int j; // Server status // Setting the running ID of the server getRandomHexChars(server.runid,REDIS_RUN_ID_SIZE); // Setting default profile pat ...

Input and outputThe Go Writer and Reader interfaces are designed to follow the input and output of Unix, and the output of one program can be the input of another program.Their capabilities are simple and pure, making it easy to write program code, and allowing our programs to do more through the concept of composition.For example, in the previ ...

This section is mainly about the socket server of Python 3 network programming. In the last section, we talked about socket. Because socket can not support multi-user and multi-concurrency, there is socket server. The main function of socket server is to implement concurrent processing. There are two kinds of socket servers: server class: Prov ...

tinyhttpd is an ultra-lightweight Http Server with less than 500 lines. It's good for learning and can help us really understand the nature of server programs. After looking at all the source code, I really feel that there are great gains, whether it is unix programming, or GET/POST Web processing process, are clear a lot. Don't talk nonsense, ...

Supervisor, a process control system, is a C/S mode system that allows users to monitor and control the number of processes in the UNIX-LIKE operating system.Supervisor is the main process and some subprocesses are managed under Supervisor. When a subprocess exits abnormally, Supervisor handles it immediately, usually by daemon, restarting the ...

Installation of Java Two Configuration Java Environment Variables Three Gitblit Servers Four configurations Gitblit users I. Installing Java Download address: http://www.java.com/zh_CN/ Just install it directly. Configuring Java environment variables Right-click "Computer"=> "Property"=> "Advanced Sy ...

Supervisor (http://supervisord.org ) is a process management tool written in Python that can be easily used to start, restart, and close processes (not just Python processes).In addition to controlling a single process, multiple processes can be started and shut down at the same time, such as when unfortunately the server is down and all applic ...

ps * Grammar: ps [options] Note: This command looks at the instantaneous running state of a process at a given time, and looks at it discontinuously. Three options are supported: UNIX options such as - a (prefix -) BSD options such as a Display processes in the current terminal by default The a option includes processes in all terminals ...