From login to crawling: Python anti crawls to get tens of thousands of public business data of a certain Baocheng

I don't know when I began to enjoy crawling thousands of data! This article will use Python anti crawl technology to explain how to obtain tens of thousands of public commercial data of a certain Baocheng. catalog 1 preliminary preparation 2 case details 2.1 import module 2.2 core code 2.3 g ...

Posted by regoch on Thu, 25 Jun 2020 03:59:10 -0700

The algorithm of python Development & data structure

The algorithm of python Development & data structure (4) data structure 1. Circular queue 2. Python queue built-in module 3. List 3.1 creating a linked list 3.2 insertion of linked list nodes 3.3 deletion of linked list nodes 4. Double linked list 4.1 insertion of double linked list nodes 4.2 ...

Posted by sm on Thu, 25 Jun 2020 02:27:58 -0700

Based on PaddleHub to develop a registration system for students' wearing of masks

Introduction to PaddleHub PaddleHub is a domestic in-depth learning framework launched by Baidu - "flying oar" pre training model management and migration learning tool. Through PaddleHub developers can use high-quality pre training model and fine tune API to quickly complete the whole proce ...

Posted by excence on Tue, 23 Jun 2020 22:53:42 -0700

ftp upload tool download, ftp upload tool download tutorial, how to regularly back up files to ftp server?

Introduction to ftp transmission tools iis7 service management tool is a powerful FTP software with excellent interactive interface and powerful functions. It supports FTP functions such as regular upload and download, regular backup, automatic update, batch upload and download, FTP multi site management, online editing, etc. At the same time, ...

Posted by genix2011 on Tue, 23 Jun 2020 20:56:08 -0700

Efficient image loading

Article catalog 1 installation 2 how to load images 2.1 Structure 2.2 OpenCV 2.3 Pillow 2.4 Pillow-SIMD 2.5 TurboJpeg 2.6 LMDB 2.7 TFRecords 3 load time comparison 4 Summary Image loading plays an important role in computer vision when writing optimized code. This process can be a bottleneck for ...

Posted by like_duh44 on Tue, 23 Jun 2020 20:18:57 -0700

Using Python, OpenCV reads every frame of the video, writes the video after modification

Write the video to a file using OpenCV 3 and save it on your own disk Try to only support writing in avi format. mp4 format will generate files but cannot play them. There is a format error; However, if you're trying to write videos in your own application as an archive using OpenCV, be prepared to: ...

Posted by p2grace on Tue, 23 Jun 2020 20:15:27 -0700

The evolution of semantic segmentation model and the reading of related papers

This paper summarizes and analyzes the evolution process of the mainstream semantic segmentation model architecture, involving more than 20 models including FCN, DeepLab series, RefineNet, PSPNet, BiSeNet, FastFCN, ConvCRFs, DUpsampling, DFANet, DANet, FickleNet, LedNet, ACNet, etc., which were origina ...

Posted by thewabbit1 on Tue, 23 Jun 2020 18:49:26 -0700

python_Interface Automated Test Framework

This article summarizes and introduces the development of interface test framework. The environment uses python3+selenium3+unittest+ddt+requests test framework and DDT data-driven, integrates test data functions such as Excel management test cases, and generates test reports using HTMLTestRunner. There are open source interface test tools such ...

Posted by newdles on Tue, 23 Jun 2020 16:54:17 -0700

PyQt5 detailed tutorial: pyqt programming based on PyQt5 QTdesigner (commonly used control, thread writing, and Matplotlib embedded in pyqt)

The biggest advantage of PyQt5 is that the interface can be made intuitively using qtdesigner, and then the code can be read directly, which saves the tedious steps of typesetting and so on, and the beauty of the interface is also beyond tk's reach. When using QTdesigner, it's better to layout the i ...

Posted by rayzun on Tue, 23 Jun 2020 03:59:09 -0700

To learn Python well, you must understand 35 key words in Python

Every programming language has some special words called keywords. The basic requirement to treat keywords is to avoid repetition when naming them. This article introduces the keywords in Python. Keywords are not built-in functions or built-in object types. Although it's better not to rename them, you can also use names that are the same as bui ...

Posted by jockey_jockey on Tue, 23 Jun 2020 01:05:56 -0700