Sword point data warehouse Shell command three

1, Last course review 2, Linux basic command 3 2.1 users and user groups 2.2. Use of personal environment variables (. Selection of bashrc and. Bash? Profile) and global environment variables (/ etc/profile) and aliases 2.3 use of history command 2.4 use of delete command Three. Homework 1, Last cour ...

Posted by Arsench on Thu, 12 Mar 2020 03:15:32 -0700

Thinking about the pconnect long link of PHP redis

Throw question Some time ago, a big guy said that PHP redis's pconnect can't realize long links. After the request ends, the connection is released. I have doubts in my mind. If so, why does PHP redis have connect and pconnect? Search document The connection will not be closed on end of request un ...

Posted by NightCoder on Thu, 12 Mar 2020 01:23:19 -0700

Off line voice snoowboy hot words wake up + Raspberry voice interactive realization switch light

Offline voice snoowboy hot word wake up Speech recognition now has a very wide range of application scenarios, such as the voice assistant of mobile phones, smart audio (Xiaoai, dingdong, tmall And so on. Speech recognition generally consists of three stages: hot word wakeup, speech input, recognition ...

Posted by patrick87 on Sun, 08 Mar 2020 23:53:30 -0700

Implementation of middleware with nginx openresty

[TOC] Implementation of middleware with nginx openresty Be careful In the formal ngx.exec(), you must not output anything, such as ngx.say("debug"), otherwise you will be trapped in redirection The log will constantly prompt attempt to call ngx.exec after sending out response headers This should be a common sense problem. We all know ...

Posted by PAFTprod on Sun, 08 Mar 2020 03:02:07 -0700

hexo, the most complete personal blog in history

Preface Domain name from 2020 to the end of February mflyyou.cn After a three-year renewal, it only expires in 2024-4, so Google decided to build a personal website. Google changed one of its favorite themes, hexo matery modified, and then changed its content. Please observe the specific effect of Blog Zhang Panqin's blog Outline of this artic ...

Posted by aximbigfan on Sat, 07 Mar 2020 00:55:29 -0800

Compiling and installing Mysql 8.0.19 under linux

1 Preface There are many ways to install MySQL under linux, including the way of warehouse (yum,apt,zypper), the way of package (rpm,deb), the way of docker, the way of decompressing from the compressed package, the way of compiling and installing from the source code. Here is the last one, the way of compiling and installing from the source co ...

Posted by ThisIsMyName on Thu, 05 Mar 2020 19:55:04 -0800

Azure configuration management series Oracle Linux (PART2)

Azure configuration management series Oracle Linux (PART1) Azure configuration management series Oracle Linux (PART3) 3 install desktop package in Oracle Linux When the Oracle Linux VM starts and runs, connect to it through an SSH session.   Figure 6: Oracle Linux VM started and running To log in to the system, use the same credentials that w ...

Posted by arnoldd99 on Wed, 04 Mar 2020 03:16:18 -0800

Build PHP family album management program on raspberry pie

There are too many photos at home. I found a lot of software, which can't achieve the desired effect of viewing pictures. Now I share a PHP family album program built on raspberry pie, which can be viewed by folders, calendars, keywords, and full screen slide show. I believe that many students are the s ...

Posted by cobalt30 on Sat, 29 Feb 2020 20:55:40 -0800

Foster RCNN trains its own dataset - build a python environment

1, Anoconda building environment name: Foster 1.1 build a virtual environment Create a virtual environment called foster, in which all future operations will be performed. This can avoid mutual interference between different versions of python or frameworks. python = allows you to specify the version ...

Posted by qadeer_ahmad on Fri, 28 Feb 2020 03:14:20 -0800

Linux operation and maintenance - disk storage - 2. RAID

With the limitations of single disk in data security, performance and capacity, RAID has emerged. RAID combines multiple independent disks in different ways to form a disk group to obtain higher data security, performance and capacity than single disk. 1, Common RAID levels Raid has several levels of RAID0~RAID7. In addition, there are some co ...

Posted by simplyi on Thu, 27 Feb 2020 01:15:44 -0800