Application and practice of software engineering in Shandong University -- ECommerceCrawlers code analysis

2021SC@SDUSC catalogue 1, Abstract 2, get_parks_companies_threads.py code analysis 1. Part 1 2. Part 2 3. Part 3 4. Part 4 3, Summary 1, Abstract This blog is the third and last blog of the third project "QiChaCha", In this chapter, I will analyze the code of the rest of the project (since the main contents of the remainin ...

Posted by estero2002 on Mon, 20 Dec 2021 21:51:38 +0100

Have you considered performance in interface oriented programming?

Most of us will follow interface programming in normal development, which can facilitate the implementation of dependency injection, polymorphism and other small skills, but this is at the expense of performance in exchange for code flexibility. Everything has Yin and Yang. It depends on your application scenario. 1: Background 1. Reason Du ...

Posted by m00p4h on Fri, 17 Dec 2021 16:14:53 +0100

C # uses SendMessage to realize message transmission between winform and wpf

C# Winform inter window message notification uses the Windows API SendMessage method to send messages across processes, rewrites the WndProc method to receive and process messages The following three methods and functions are mainly used: WndProc: mainly used to intercept and process system messages and custom messages You can override th ...

Posted by maskme on Mon, 13 Dec 2021 01:52:08 +0100

[WPF] play rainbow text and animation

1. Preface Interest came to play with the rainbow text of WPF. Instead of making gradient colors with linear gradient brush, it refers to the rainbow text with independent color for each text. Although there is no practical value, I hope that the use of ItemsControl to split text and the use of tool classes to provide incremental and random va ...

Posted by zevious on Sat, 11 Dec 2021 09:30:50 +0100

. net core advanced 1

Thread/ThreadPool/Task/TaskFactory 1. Difference between process and thread A process is a program being executed, and each task executed in the process is a thread; Thread belongs to process; Threads cannot be separated from delegates; Netframework version 1.0: Thread is a C# language encapsulation class for operating computer threads; Thr ...

Posted by Bea on Thu, 09 Dec 2021 18:33:27 +0100

Microsoft Planetary Computer - what are the visual datasets?

Introduction: The website is as follows: Planetary Computer For planetary cloud computing, I have previously written an article on Microsoft's cloud computing, with specific links: Microsoft Planetary Computer -- Introduction to Planetary Computer data resource manager! How is it different from GEE_ This star bright blog - CSDN blog   ...

Posted by nesargha on Sun, 28 Nov 2021 13:51:29 +0100

Teach you to learn Dapr - 3. Use Dapr to run the first. Net program

be careful:The command line tool mentioned in this article is one of Windows Terminal/PowerShell/cmd. It is recommended to use Windows TerminalIt is recommended to run the command line tool as an administrator to avoid stepping on the pitTo ensure smooth operation, it is recommended to use PowerShell to execute set executionpolicy remotesigned ...

Posted by dark dude on Wed, 03 Nov 2021 04:49:31 +0100