## LeetCode brush questions - restore IP address #93#Medium

Discussion on the idea and source code of restoring IP address      The problem of restoring IP address is shown in the figure below. This problem belongs to the type of string and backtracking. It mainly focuses on the use of backtracking traversal method and the understanding of the characteristics of string itself. In th ...

Posted by pahunrepublic on Tue, 30 Nov 2021 20:45:04 -0800

## Principle of machine learning Bayesian classifier and its sklearn implementation

preface Bayesian classifier is a probability model, which uses Bayesian formula to solve the classification problem. Assuming that the feature vector of the sample obeys a certain probability distribution, we can calculate the conditional probability that the feature vector belongs to each class. The classification result is the one with the l ...

Posted by jtravis on Tue, 30 Nov 2021 17:46:05 -0800

preface Recently, a video of Python automated office was suddenly popular on Xiaopo station. The address is as follows: 5 minutes, I'll teach you to make an automation software to work, brush copies and return to wechat. The source code is open and can be used out of the box But although the source code is open, it is not completely out of ...

Posted by Goon on Tue, 30 Nov 2021 16:50:45 -0800

## Python object oriented programming 01: introduction classes and objects

Official Python column article 36, students stop, don't miss this article starting from 0! Previously, I wrote other functions such as file reading and file processing, which used the os library. Originally, I wanted to share the os library. I found that this library may be difficult for beginners, so I'll talk about it later at an appropri ...

Posted by bow-viper1 on Tue, 30 Nov 2021 16:46:37 -0800

## pygame game development | ice and snow hero club for game development and design of China Computer Design Competition (with source code)

It is not easy to be original. Plagiarism and reprint are prohibited in this paper. Based on the summary of many years of practical development experience of reptiles, infringement must be investigated!   1, Game creativity and setting 1.1 game creativity The game takes the 2022 Zhangjiakou Winter Olympic Games as the creative background. The ...

Posted by StathisG on Tue, 30 Nov 2021 13:20:44 -0800

## Pandas table beauty skills

Official account: Special HouseAuthor: PeterEditor: Peter Hello, I'm Peter~ This article mainly introduces how to beautify the data of Pandas DataFrame. It is mainly realized through two methods in Pandas: Styler.applymap: returns a single string with CSS attribute value pairs element by elementStyler.apply: returns Series or DataFrame wit ...

Posted by john0117 on Tue, 30 Nov 2021 07:01:12 -0800

## Python software design basics section 8 - Tesseract OCR video caption extraction

catalogue 1, Tesseract OCR overview and environment configuration (1) Introduction to Tesseract OCR (2) Tesseract OCR installation 1. Program download and installation 2. Configure environment variables 3. Language configuration and program testing 2, Implementation of video caption extraction (1) Implementation principle (2) Code impl ...

Posted by kykin on Tue, 30 Nov 2021 06:36:28 -0800

## Common probability distribution and hypothesis test

1 general random variable 1.1 two types of random variables According to the number of possible values of random variables, they are divided into discrete type (finite value) and continuous type (infinite value). 1.2 discrete random variables For discrete random variables, the probability mass function (PMF) is used to describe their di ...

Posted by synapp2 on Tue, 30 Nov 2021 05:51:54 -0800

## Pat practice - 1003 I want to pass

subject "Correct answer" is the most gratifying reply given by the automatic question judgment system. This question belongs to PAT's "correct answer" distribution - as long as the read string meets the following conditions, the system will output "correct answer", otherwise it will output "wrong answer". ...

Posted by subrata on Tue, 30 Nov 2021 05:09:50 -0800

## [JS reverse hundred examples] Introduction to anti confusion, a Peng education JS confusion restoration

Focus on official account dry cargo WeChat public: K brother crawler, keep sharing crawler advance, JS/ Android reverse technology dry goods!statementAll contents in this article are for learning and communication only. The packet capturing content, sensitive website and data interface have been desensitized. It is strictly prohibited to use th ...

Posted by texelate on Mon, 29 Nov 2021 23:33:57 -0800