Programmer Group

Suppose you have a Bash alias for example: alias rxvt='urxvt' Good results. However: alias rxvt='urxvt -fg '#111111' -bg '#111111'' It will not work, nor will it: alias rxvt='urxvt -fg \'#111111\' -bg \'#111111\'' So, once the quotes are escaped, how do you eventually match the start and end quotes in the string? alias rxvt ...

Start of server The main function of Redis server is in server.c. // server.c int main(int argc, char **argv) { struct timeval tv; int j; /* Set some constants of the server */ /* We need to initialize our libraries, and the server configuration. */ #ifdef INIT_SETPROCTITLE_REPLACEMENT spt_init(argc, argv); #endif setl ...

Blog move, original address: Learning dl Library in https://langzi989.github.io/2017/10/16/Unix/ In Linux, static link library and dynamic link library are two ways of code sharing between processes. Linux provides system calls to load and process dynamic connection libraries in the < dlfnc. H > library, which is very conv ...

title: realize the connection between Golang and Erlang (Port) categories: Golang In Erlang, there are many ways to interact with other languages. The common ways are Interaction using TCP protocol Using Port Using ERL? Interface to realize CNode NIF The latter several kinds of difficulties are all there, but also use a more complex C/C + +, ...

[toc] Example: In [1]: import asyncio In [2]: async def f(i): ...: await asyncio.sleep(i) ...: print(i) ...: In [3]: async def func(): ...: tasks = [] ...: for i in range(10): ...: await asyncio.sleep(0) ...: print('create process parameter ', i) ...: tasks.append(asyncio.crea ...

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 ...

Reprint: https://www.cnblogs.com/hellangels333/p/9039784.html faker creates fake data In our work, sometimes we need to forge some fake data. How to use Python to forge these seemingly true fake data? Python has a package called Faker, which can be used to easily forge names, addresses, phone numbers and other information. ...

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 ...

Note that since the supervisor cannot monitor the background program, all commands executed by the command need to be executed in the foreground, such as nginx: command = /usr/local/bin/nginx -g 'daemon off;' Talk about the benefits of this tool:Manage your process, terminate the automatic restart service process abnormallyTurn off the machine ...

In addition to installing some commonly used monitoring software, the monitoring of the server sometimes needs to run some shell or Python scripts; under the shell, you can use the system's own shell commands such as ps/free/top/df, and python can call subprocess and other modules to run shell commands, but it is more troublesome to do so. Here ...