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Regular parsing (re module) Single character: ...: All characters except newlines []: [aoe] [a-w] matches any character in the set \ d: Number [0-9] \ D: Non-digital \ w: Numbers, letters, underscores, Chinese \ W: Nonw \ s: All blank character packages, including spaces, tabs, page breaks, an ...

Introduction to pygame PyGame is an extension module for game writing in Python. It is a game library written by SDL library. The full name of SDL is Simple Direct Media Layer, written by a bull named Sam Lantinga. SDL is written in C, but it can also be developed using C++, of course, there are m ...

In general, Pycharm is used to debug projects, but what happens when it's not convenient? Do you still use the old logger? Today, it's super convenient to find pysnooper's tool, which can type the output of every step of a function into a file. First, you need to install it. pip install pysnooper Th ...

Prepare 1: OpenCV Common Picture Conversion Skills Before computer vision model training, we often use image enhancement techniques to obtain more samples, but some methods in depth learning framework may not meet our needs for image transformation, so we still have a lot of common image processing techniques in OpenCV. Help. Image Channel Se ...

Learning environment: redhat 5.8 python version: 3.6.8 django version: 1.11.20 1.python environment installation First, open the following official web site to download the source installation package directly:https://www.python.org/ftp/python/3.6.8/Python-3.6.8.tar.xz After downloading, upload it to the linux environment and extra ...

Tutorial 1: Serialization introduction This tutorial will show you how to create simple Web API (restful) code with good cohesion. In the process, it will introduce the various components that make up the REST framework and give you a comprehensive understanding of how everything comes together. E ...

vps of vultr, bought last month, still feel slow to watch videos, so look for tutorials online, open BBR acceleration here and record it, which may be used later. BBR is a new congestion control algorithm proposed by Google, which can significantly improve the throughput of Linux servers and reduce the delay of TCP connections. BBR solves t ...

The Requests Library in python is an encapsulated python utility that requests http and returns the corresponding results Initial Requests Library Official Documents http://cn.python-requests.org/zh_CN/latest/ Code Address https://github.com/kennethreitz/requests Requests Environment Preparation Install pip https://pypi.python.org/pypi ...

Chinese Usage Help Document in Python Treelib Multi-tree Data Structure Tree is an important data structure for computer programming language. It has a wide range of applications, such as hierarchical data structure of file system and some algorithms in machine learning. treelib is created here to provide efficient implementation of tree data ...

quick get start Here we create a simple API for administrators to view and edit user and group information. Project Settings Create a new django project named tutorial and create an APP named quickstart: # new directory mkdir tutorial cd tutorial # New Virtual Environment virtualenv env source env/bin/activate # Windows uses `env Scripts ...