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K8s Overview

Some initial research on k8s. Relationship between containerd and docker Low level runtime currently mainly uses runc High level runtime currently mainly uses containerd graph TD; ...

Install Selenium Middleware for Scrapy

Scrapy provides the scrapy-selenium library that allows using Selenium to fetch website data before returning it to the spider for processing. However, in some cases, for example, I don’t want to u...

Some Small Tricks When Crawling Data

Javascript Variables May Contain Necessary Data When Crawling Javascript-Rendered Websites When crawling websites rendered with Javascript like in previous articles, we have to use a front-end com...

Spline | Data Lineage Tracking And Visualization Solution

Spline is an OpenSource tool that enables automatic tracking of Data Lineage and Data Pipeline Structure. Its most common use is tracking and visualizing Data Lineage for Spark. Spline Overview S...

Airflow HA Guide

In this article, I will guide you through installing Airflow and setting up HA for it. The environment used is virtualbox virtual machines. Create 2 virtual machines with fixed addresses, add u...

Crawl Bilingual News with Scrapy and Splash

Learn more about the concepts, advantages and disadvantages of Client Side and Server Side Rendering through the article Client-Side and Server-Side Rendering. We’ll see that some websites use cli...

Introduction to Scrapy Shell

Every time we write a spider, we have to write many CSS selector and xpath segments to analyze information, and often we don’t know if they’re correct or not. Each time like this, we have to run th...

PHP Scraper

When talking about crawling, everything probably revolves around Python and frameworks built on Python like Scrapy, Beautiful Soup or Selenium using Python, etc. In this article, let’s go off-topic...

Crawl 1000 News Websites with Scrapy and MySQL

If we write 1 spider to analyze information for each website, it would be very time-consuming, especially with news websites where there are thousands of different news websites and new ones are cr...

Configure Proxy for Scrapy Project

Proxy is probably a concept that is no longer strange to everyone. For people working on data crawling, proxy is like an inseparable companion. In this article, I will guide you on how to configure...