connect into postgres(default) database: psql –U postgr继续阅读“PostgreSQL Commands”
作者存档：Xihui Wang
Linux
solve the internet connection problem:https://geekflare继续阅读“Linux”
offline install python packages
paste the whl files folder named python to the path C:\继续阅读“offline install python packages”
Mysql Commands
to login: mysql -u username -p check mysql database sto继续阅读“Mysql Commands”
knowledge in Spotfire
jar driver is in the folder below: tibco\tss\7.9.0\tomc继续阅读“knowledge in Spotfire”
Microsoft Docs Command and Windows Tricks
check the connection to certain pc, and check its ip ad继续阅读“Microsoft Docs Command and Windows Tricks”
pandas 1.0以后pd.concat(）里join_axes消失的变化
以前的pandas版本太低，pandas==0.24.2，于是升级到了pandas 1.1.1 版本变化太大，继续阅读“pandas 1.0以后pd.concat(）里join_axes消失的变化”
Oracle Related Concept and Syntax
SID： instance_name, unique name of the INSTANCE https:/继续阅读“Oracle Related Concept and Syntax”
Pyinstaller —Failed to execute script的对策
Heroku的配置
1.上传环境: pip3 freeze > requirements.txt 2.设置python版本号继续阅读“Heroku的配置”
KAGAYA's Blog 