Python 08 - file reading and writing

Python 08 - file reading and writing reference resources: Files in Python | geek tutorial (geek-docs.com) introduce This article describes how Python handles files and standard input and output. We will show how to read and write files from files. Everything in Python is an object, and everything in UNIX is a file. Disk file open ...

Posted by nmarisco on Sun, 23 Jan 2022 21:34:12 +0100

Introduction to zero basic python crawler: search and batch download pictures

python crawler batch download pictures preface This article takes downloading coin pictures in Bing as an example to realize python crawler search and batch downloading pictures. The following is the main body of this article. 1, Specific process 1. Search for pictures with Bing Like the novel download in the previous article, first we ...

Posted by learningsql on Sun, 23 Jan 2022 20:49:56 +0100

Chapter 2 Docker and command line

Docker and operating systemLinux distributionCommon are Ubuntu, Alpine, CentOS, Debian, etc. You can download the Linux distribution image with the following command:docker pull ubuntu docker pull alpine docker pull centos docker pull debianUsing docker images, you can view the image information and compare the image sizes of different distribu ...

Posted by Randy on Sun, 23 Jan 2022 20:30:01 +0100

Python thread semaphore semaphore - Python zero basics tutorial

catalogue I Introduction to Python thread semaphoreII Python thread semaphore semaphore principleIII Introduction to Python thread semaphore semaphore functionIV Python thread semaphore usageV Guess you like it Zero basic Python learning route recommendation: Python learning directory >> Getting started with Python Basics I Introd ...

Posted by slapdashgrim on Sun, 23 Jan 2022 18:02:01 +0100

Welfare, little sister, why did you run to my computer when dancing live!! Python catches the live signal source of tiger tooth little sister!! Get in the car!

Related documents Pay attention to Xiaobian and receive private letter Xiaobian! Of course, don't forget a three in a row~~ Yes, we can pay attention to the official account of Xiaobian yo ~ ~ Python log Hello everyone, I'm bold again! I'll share games with you every day. I'm sure my friends feel a little bored. Today it brings benefits to y ...

Posted by sankaty on Sun, 23 Jan 2022 18:00:34 +0100

Python learning 1 (variables and simple data types, if statements)

Variables and simple data types Next, use variable to represent variables. variable Precautions for variable naming: 1. Variable names can only contain letters, numbers, and underscores. Variable names can start with letters or underscores, but not numbers. For example, you can name the variable message_1, but it cannot be named 1_messag ...

Posted by Imtehbegginer on Sun, 23 Jan 2022 15:29:44 +0100

2021-06-26 force deduction algorithm problem summary

@Binary tree summary Binary tree phased summary From today on, I began to record my daily study and life. I didn't blog much before. Although I learned some Markdown grammar, I'm still not very familiar with it. The topics of Li Kou are recorded through pycharm. Later, in this form, I'll record all kinds of learning, do algorithm problems and ...

Posted by MrBillybob on Sun, 23 Jan 2022 13:49:58 +0100

Scrapy climbed to the introductory tutorial of little sister at station B, and the result was unexpected!

Introduction to the sketch framework Scratch is a fast and high-level screen capture and Web Capture framework developed by Python language, which is used to capture web sites and extract structured data from pages. Its functions are as follows: Scrapy is an application framework implemented in Python for crawling website data and ext ...

Posted by baselinej on Sun, 23 Jan 2022 12:00:41 +0100

Python full stack development - Python crawler - 09 JS reverse entry

1. JavaScript anti crawler principle and reason Crawler and website security, one is spear, the other is shield. Is your website safe? First, check whether the safety measures are in place,Second, it also depends on whether the data value will attract the attention of "crawlers". In other words, unless no crawler is staring at your ...

Posted by subkida on Sun, 23 Jan 2022 10:43:02 +0100

Bufferless file IO and directory operations

Python wechat ordering applet course video https://edu.csdn.net/course/detail/36074 Python practical quantitative transaction financial management system https://edu.csdn.net/course/detail/35475 introduction In the background development, for file I/O, we usually do not use fopen, fread and fwrite standard I/O encapsulated in C language, b ...

Posted by Chef-Mars on Sun, 23 Jan 2022 10:05:18 +0100