crontab is often used in Linux systems to perform automation jobs. crontabcrontab -l # list crontab jobs crontab -e # edit crontab jobs20 10 * * * cd /project/my_project/ && /opt/pythonhome/env/python3/bin/python3.7 /project/my_project/
Dash is an open-sourced Python Dashboard package from plot.ly. It's pretty easy to use and has a lot of components to build beautiful and informative graphs and charts. Install Packagespip install dash==1.4.1 # The core
The latest Raspberry Pi 4B comes with a Gigabyte ethernet port, up to 4GB RAM and 2 USB3 port. Because of its low power supply, Raspberry Pi 4 surely has the capability of working as an affordable file
From time to time you might want to migrate your website to a different server/VPS provider. This tutorial highlights some steps you should be very careful about. Improper operation may result in loss of data or files
The latest Raspberry Pi 4 comes with an option of 4G ram. This truly makes the Raspberry Pi a workable personal portable computer. However, the temperature could go pretty high when it is implementing intensive tasks. The simplest
The following notes are under the official Raspbian system. Raspberry Pi 4 Model BShutdownMake sure you are shutting your Raspberry Pi down properly before powering it off. Type sudo halt and wait for the Pi to signal it
Here to note one way to replace the NULL values in SQL with other specified values. Given 3 Tables A, B, C as follows: Table A id name 1 Mike 2 Cathy 3 Paul Table B id age
Anomaly Detection (a.k.a Outlier Detection) is a process of detecting unexpected observations in specified datasets. Anomaly detection has two basic assumptions: Anomalies only occur very rarely in the data; Their features differ from the normal instances
