Essays on UNP Volume II
I. overview   there are two branches of interprocess communication mentioned in this book, posix and system V. most...
Percona MySQL View Tables Not Accessed
It's really hard to find out if a table in an instance has access.(
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Django framework 7: configuring caching
1, Django cache Description:
In the dynamic website, the ...
Python:sip Compilation and Use
1. Compile sip source code Unzip the sip source and run PythonConfigure.py-p win32-g++ (win32-g++ means using the mingw...
Build / dev/kmem to enumerate all Linux kernel modules (including hidden ones)
Can Linux system have lsmod to enumerate all kernel modules? Isn't procfs fragrant? Why bother enumerating from / dev/km...
Unix Domain Socket
add by zhj: Unix Domain Socket is the optimization of network socket, which is applicable to the situation that the serv...
Install R & D server
It's really a process of energy consuming to reinstall the server, especially the whole data backup with ghost, the snai...
nginx worker process loop
When the worker process starts, it first initializes the environment it needs to run, then it enters a cycle in which it...
PX4 reads the message sent by STM32F4 serial port through serial port and publishes the UORB topic
PX4 reads the message sent by STM32F4 serial port through serial port and publishes the UORB topic This small project is to read the data sent by STM...
Slow code Python? Hands on how to speed up your code by 30%
Yun Qi Hao: https://yqh.aliyun.comThe first-hand cloud information, the selected cloud enterprise case base of different industries, and the best prac...
[Go] golang buffer channel to manage a group of goroutine work
passageway1. When a resource needs to be shared between goroutines, the channel sets up a pipeline between goroutines2. No buffer channel and buffered...
PostgreSQL remote link server configuration
PostgreSQL server needs to be configured to be remotely linked by users Profile:pg_hba.conf controls access security and manages the access rights of ...
Samba server configuration under Centos7 (actual combat!)
Samba overview Samba is a free software to implement the SMB protocol on Linux and UNIX systems, which consists of server and client programs. SMB (S...
PHP method of generating order number
The first way to generate unique order number in PHP PHP code $str = date('Ymd') . str_pad(mt_rand(1, 99999), 5, '0', STR_PAD_LEFT...