Programmer Group

Some image processing operations with opencv are very simple and convenient, but for students who want to understand the details, it is best to write the generation of filter core and filter function. Understanding the change process of Gaussian function is of great help to our in-depth study of image processing. Function of image filtering ...

An instance Take a basic topic: PAT (Basic Level) Practice 1005: continue 3n+1 to show this problem. For a detailed description of the topic, see the PAT website. Problem solving ideas 1. After writing the input data, convert the sequence to be verified into the list num of digital elements_ list. 2. Traverse num from scratch_ List, for ea ...

brief introduction - Selenium is one of the most widely used open source Web UI (user interface) automation test suites. ----Let my program connect to the browser and let the browser complete various complex operations. We only accept the final result -----selenium; Automated test tools ----You can open the browser. Then operate the browser l ...

1, Using excel to do linear regression 1. Startup steps Find data analysis in the data column of excel, and then start linear regression. If there is no "data analysis" tab, you can select "add in" in the "file" tab and select "go" as follows: Check the required tool 2. Data analysis After impor ...

Introduction to python - learning notes [reference document]: https://www.runoob.com/python/python-variable-types.html [recommended documents]: https://blog.csdn.net/hhhhhhhhhhwwwwwwwwww/article/details/120037975 Some common settings of pycharm Enter setting > editor > file and code templates, click python script to set: """ ==== ...

Well... It's coming again... It's not over after all. Following the previous article, I finished writing Series and DataFrame, and then I should start some table operations. 1. Connection of tables 1.1. join operation Parameters: other: the second Dataframe, Series, or column in the Dataframeon: duplicate column names in the second DataFra ...

Today, we introduce an example of using MVC design pattern to build GUI in PyQt5. This case comes from Chapter 7 of MATLAB object-oriented programming - from introduction to design pattern (version 2). For details about the GUI tool design of deposit and withdrawal, please refer to pages 127 ~ 160. The final interface created by PyQt5 is as fo ...

Think: A previously made registration system can store user registered names and passwords in a dictionary. Simply use if else statements to compare user names entered during user login with previously stored user names when user login. Passwords are the same. Practice: 1. First I want to compare the values, but I find that the keys in the di ...

HTML summary Even the smallest sail can sail far~ 1, Catalogue 1. Web page 1.1 what is a web page 1.2 what is html 1.3 formation of web pages 2.Web standards 2.1 composition of web standards 3.HTML syntax specification 3.1 basic grammatical concepts 3.2 label relationship 4.HTML basic structure tag 4.1 first HTML 5. Web devel ...

The game was terrible. After all, it was too bad for me. No password was given. esayrsa was not easy at all. This problem was given an hour and a half after the game. 1, Title from Crypto.Util.number import * def add(a,b): if(a<b): a0 = str(b).encode() b0 = str(a).encode() else: a0 = str(a).encode() ...