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Scrapy crawler code template and general project

How to automatically add css prefix?

Scrapy crawler code template and general project, When I use scrapy to crawl things I am interested in, I always start project and genspider frequently, and then repetitively add some common function codes to the default template of the scrapy library

How to automatically add css prefix?

How to automatically add css prefix?

How to automatically add css prefix? Sometimes we need to automatically add a prefix to css, so I will share some methods to achieve this function. If you like, you can bookmark this post or share it on social media. Automatically add css prefix method How to automatically add prefixes to css styles. step 1 … Read more

How to use static anonymous functions in C# 9

How to use static anonymous functions in C#9

How to use static anonymous functions in C#9? Anonymous functions It has been in C# for many years. Although anonymous functions are very cool to use, the cost is not small. In order to avoid unnecessary memory allocations that you do not expect

2021 Best JavaScript asynchronous programming guide

JavaScript asynchronous programming

Best JavaScript asynchronous programming guide, js is single-threaded, and the execution stack and rendering thread of js in the browser block each other. The biggest advantage of single-threaded mode is that it is safer and simpler.

Do you know this 25 Python coding skills?

python code to realize fake chatbot

Do you know this 25 Python coding skills? In this post, I have categorized 25 python coding skills, which are really efficient/colleague chat topics, you can bookmark them.

Run async tasks application starts in ASP.NET Core

Run async tasks application starts in ASP.NET Core

How to run async tasks application starts in ASP.NET Core? This article is a short follow-up to two of my previous articles about running asynchronous tasks in ASP.NET Core. In this article, I will provide some feedback on the example I used to demonstrate the problem and the approach I took. Previous posts can be … Read more