Python provide a lot of built-in exception classes. All the built-in classes are sub class of builtins.BaseException class. Besides built-in exception class, you can also create customize exception class. But […]
When i use eclipse to open an exist PyDev project, i find error message like Unresolved import: smtplib. This error means the python3 built-in library smtplib can not be found […]
This example will show you how to download an image file from an image url use python requests module. You will find this example code is simple and clear. Below […]
In previous article How To Use Python Requests Module To Send Get Or Post Request Example, we have learned how to install and use python requests module to send http […]
When i run python code in mac os, i meet a certificate verify failed error like this ssl.SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1056). […]
Python requests module provide functions to write web request process code easy and simple. It can send both http get and post request to web server. When you send get […]
When i use pip command to install a python module ( pip install requests ) or upgrade pip ( python -m pip install –upgrade pip ) in windows, i meet […]
From previous articles you have learnt how to connect to postgresql database server, How To Connect To PostgreSQL Database And Execute SQL Statement Use Psycopg2 In Python, How To Connect […]
Configuration file in python is a text file which contains section and seciton’s options. The file extension is .ini. This is same with windows .ini file. One configuration file can […]
