python Simple record of network programming
Network communication is the communication between two processes on two computers . Network classification ：LAN,WAN,WLAN LAN （Local Area Network,L...
re Common methods of modules
re Regular expression of module common methods , Also known as regular expression .（ English ：Regular Expression, In code, it is often abbreviated ...
Python Student information management system ( Lite )
code # Storing student information student = list()# Show menu def showMenu(): print("1. Increase student information ") print("2. Delete st...
python Medium gc Recovery mechanism
It is generally related to the following two modules import gcimport sys High level languages generally have garbage collection mechanism , among ...
What is recursion? Recursion is a way to solve the problem , Decompose the problem into smaller subproblems , Until you get a small enough problem...
python How to implement interface ?
What is an interface ? The interface just defines some methods , Instead of realizing it , It is often used in programming , It's just the functi...
python3 error module 'enum' has no attribute 'IntFlag'
Install in a new environment jupyter An error occurred when ：AttributeError: module enum has no attribute IntFlag, Details of the error are as fol...
python Advanced usage 3 【 Optimize the unremarkable cycle 】
Foreword this blog mentions three things about python Loop optimization details , If there are other optimization schemes , Welcome to share your ...
python Crawler FAQs （ One ）
Python Collection of problems seen by crawler ：1. NotImplementedError: Only the following pseudo-classes are implemented: nth-of-typeAnswer:nth-chi...
Python The solution of crawler's abnormal retrying
When we do data capture , Often encountered due to network problems caused by the program save , Previously, only the error was recorded , And the...
2020.11.24 Review every day
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