Quanzhi H6 Orange Pi Lite 2 Android 7.0 WIFI configuration

Problem reason At present, the WIFI of the image compiled by our SDK is useless. We will continue to solve this problem. Check the schematic diagram and confirm the pin It can be confirmed from the schematic diagram that SDC1 module is used for WIFI, power supply is provided by VCC33-WIFI, and VCC33-WIFI is provided by CLDO3 ...

Posted by haixiao on Mon, 30 Dec 2019 20:53:46 -0800

Three uses of postgresql highly available repmgr: 1 Primary + 1 Standby installation

os: ubunbu 16.04 postgresql: 9.6.8 repmgr: 4.1.1 192.168.56.101 node1 192.168.56.102 node2 Install postgresql 9.6 software Both node1 and node2 need to use apt install to install postgresql9.6.8. The last bit represents the patch number # apt install postgresql-plpython-9.6 postgresql-plperl-9.6 postgresql-pltcl-9.6 postgresql ...

Posted by kaedus on Thu, 26 Dec 2019 06:57:43 -0800

PG fdw connection establishment and closure

PG starts psql locally, accesses external tables, and exits The connection between PG and remotePG is broken as the client psql exits.   PG starts multiple psqls locally, and each psql accesses the external table once View remotePG process postgres@ubuntu:~$ ps -ef|grep post root 134 89 0 09:36 pts/0 00:00 ...

Posted by jollyjumper on Sun, 22 Dec 2019 07:41:52 -0800

Kinect2 runs RGB-D interface under orb slam2 through ROS

Written in front In the last article, I recorded the driver of Kinect2 installed in Ubuntu and the bridge running in ROS. Now I can't wait to run the RGB-D interface under ORB-SLAM2. Modify ORB-SLAM2 After installing the Kinect2 driver, execute: roslaunch kinect_bridge kinect_bridge.launch Then execute the following comm ...

Posted by potatoCode on Tue, 17 Dec 2019 14:05:40 -0800

Problems encountered in compiling and installing Apache,nginx,mysql,php, etc. for Raspberry Pie 3B

Raspberry Pie Compile Install LANMP brief introduction My raspberry pie here is 3 B Edition, CPU4 Kernel, memory 1 G,System I use is Ubuntu 19.10 Edition.The mirror uses Ali's mirror with the following source: deb https://mirrors.aliyun.com/ubuntu-ports eoan main restricted deb https://mirrors.aliyun.com/ubuntu-ports eoan-updates main rest ...

Posted by dotty on Mon, 16 Dec 2019 20:28:04 -0800

Ubuntu replacement and use of apt source and python source (only applicable to zju intranet)

Ubuntu replacement and use of apt source and python source.md One click change script content #! /bin/bash echo "Set up image source of Zhejiang University" (cat << EOF deb http://mirrors.zju.edu.cn/ubuntu xenial main universe restricted multiverse deb http://mirrors.zju.edu.cn/ubuntu xenial-security main universe restricted multiverse de ...

Posted by shedokan on Sun, 15 Dec 2019 10:24:24 -0800

Top 250 music of bean petals of python reptiles

I've been home for a long time. I can't bear it. I want to climb up and play with some data. My notebook used to be a dual system of win7 plus ubuntu 16.04. I planned to write code in ubuntu, but when I came back home, it's always a purple screen. Baidu knows how to use it, but I can't solve it. A good brother can teach me. There's ...

Posted by maddogandnoriko on Sun, 15 Dec 2019 06:48:17 -0800

docker runs python web Services

Create the simplest python+django project and run it in the docker container. Environmental Science: In 192.168.174.134 server docker image: python:2 (python2.7.15) django: 1.8.31. Create python project in 134 server django-admin startproject ops python manage.py migrate Create a root user python manage.py createsuperuser root@u ...

Posted by jeffery on Sat, 14 Dec 2019 09:03:10 -0800

C + + calls Tensorflow model in Python

C + + calls Tensorflow model Save tensorflow model Model loading code C + + program calls Python program CMakeLists document writing Result Use C + + to call Python 2.7 program, load tensorflow model (why not use Python 3, there are too many pits, which has not been solved well). The whole environment is completed under Ub ...

Posted by ojeffery on Wed, 11 Dec 2019 08:05:09 -0800

Android source code download and compilation - 2019

Android source code download and compilation - 2019 (based on Ubuntu 18.10, applicable to domestic environment) Download repo tool If you do not download the repo script tool, please go to Tsinghua mirror to download it curl https://mirrors.tuna.tsinghua.edu.cn/git/git-repo -o repo chmod +x repo Then set the update source: export REPO_URL='http ...

Posted by melkara on Mon, 09 Dec 2019 12:35:11 -0800