python encapsulation and binding

python encapsulation and binding Object oriented has three characteristics: encapsulation, inheritance and polymorphism. This article mainly introduces class encapsulation and class binding. Encapsulation: it means to integrate code, integrate data and functions, standardize code, better organize the overall structure of the project, redu ...

Posted by glueater on Fri, 03 Dec 2021 03:35:44 -0800

python text string and byte string

python The string in has always been a big problem for Xiaobian. I believe big guys have also experienced the fear of being dominated by various codes. But it doesn't matter. I'm sure you'll suddenly see the python string after reading this article! Code link: https://github.com/princewen/professional-python3 1, String type python3: The python ...

Posted by Web For U on Fri, 03 Dec 2021 03:01:33 -0800

In order to tease her sister, she made an office gadget in Python. She said it was great

UI layout The home page divides different interfaces through the paging bar, as well as the functions of minimizing, maximizing and closing forms. The application page and the direct page are composed of simple buttons, which are aligned before and after and aligned left and right. The weather query bar consists of a simple "button, inp ...

Posted by ghettopixel on Thu, 02 Dec 2021 23:34:44 -0800

Machine learning -- model generalization

introduction As we all know, we brush questions before the exam. But most of the exams are not the original questions. What's the use of brushing questions before the exam? Of course, as like as two peas, we did not want to have the same questions in the exam. (maybe. In fact, in machine learning, the questions brushed before the test are the ...

Posted by emopoops on Thu, 02 Dec 2021 21:34:25 -0800

Basic introduction to Scrapy crawler framework

Scrapy crawler framework To the most professional web crawler framework learning part, we should play a better spirit to meet new challenges. 1. Installation pip install scrapy After installation, enter the following command to test the effect: scrapy -h The correct response indicates that the installation has been successful. 2. Brief ...

Posted by cjl on Thu, 02 Dec 2021 18:26:02 -0800

Develop Python connection to Damon database (DM8)

reference https://eco.dameng.com/docs/zh-cn/app-dev/python-python.html https://eco.dameng.com/docs/zh-cn/start/python-development.html outline DMPython dmPython is a database access interface provided by DM and developed according to the API usage regulations in Python DB API version 2.0 dmPython implements these API s to enable Pyt ...

Posted by Ruud Hermans on Thu, 02 Dec 2021 14:39:58 -0800

Usage of Scrapy Middleware - crawling the historical data of Douban top250/PM2.5

Get started with python Programming quickly (continuous update...) python crawler from entry to mastery Scrapy crawler framework 1. Classification and function of the scratch Middleware 1.1 classification of sweep Middleware According to the different locations in the operation process of the sweep, it can be divided into: 1. Downloa ...

Posted by eaglelegend on Thu, 02 Dec 2021 11:18:51 -0800

PWN entry series stack overflow

PWN entry series (2) Stack overflow Stack overflow means that the number of bytes written by the program to a variable in the stack exceeds the number of bytes applied by the variable itself, resulting in the value of the variable in the adjacent stack being changed (overwritten). It is a specific buffer overflow vulnerability, similar to hea ...

Posted by NINTHTJ on Thu, 02 Dec 2021 10:39:48 -0800

Python's simple code: a two-day program for drawing function images (scatterplots) of the liver (super-detailed explanations and source code that can also be read by Chinese cabbage)

[Original Creator: Well-off 2021] The program (toy) basically supports any function in the normal function and math module, the specific operation instructions are shown in the effect diagram below. Bloggers have limited abilities (so beginners can read my code 100 percent), and the finished product (absolute originality) takes two days to bur ...

Posted by xmatthawkx on Thu, 02 Dec 2021 09:25:50 -0800

[AI Vision] Intelligent Drug Delivery Cart - 1. Redisk and Core Code

review Ben delayed his sophomore electrical settings, and was lucky to join the team halfway. The author had not done camera and visual code before (AI electromagnetic), although there were various regrets in the end, but also temporarily learned a lot of new knowledge. Before the assessment, the foundation and development were completed s ...

Posted by Fractal on Thu, 02 Dec 2021 09:16:12 -0800