Programming VIP

Network security is based on the sketch framework and selenium and openpyxl libraries to crawl the epidemic statistics and summary information of foreign countries data sources https://voice.baidu.com/act/newpneumonia/newpneumonia/ thinking Because the data in the target page is dynamically loaded, the response obtained by directly initiatin ...

Tornado is widely used in Zhihu. When you open the web version of Zhihu with Chrome and use the developer tool to carefully observe the requests in the Network, you will find that there is a special request with a status code of 101. It uses the browser's websocket technology to establish a long connection with the back-end server to ...

Markov models are often used to analyze a large number of random events After a discrete event occurs, another discrete event will occur with a certain probability under the condition of the previous event. For example, we can establish a Markov model for a weather system: In this weather system model, if it is sunny today, there is 70% possib ...

List basis Premise concept Container - a container type data can store multiple other data at the same time;Element - each independent data in the container; List - List Container data type (sequence) in list, [] is used as the flag of the container, and multiple elements in it are separated by commas;Representation: [element 1, element 2,. ...

Common operations of pytest This article is used to record the process of learning pytest. I hope you can point out any mistakes in combination with learning in station B. If there is any infringement, please send a private letter! General naming rules 1. Module name (py file) in test_ Begin or begin with_ End of test; For example: test_ ...

Hello, I'm spicy. Today, I'll bring you a summary of the basic knowledge of Python. It's no exaggeration to say that I didn't finish it in a week. This is the first play. If you like to remember three in a row, I'll quickly update the next play and strive to finish this series. I hope you can support me. catalogue notes variable output in ...

preface hello everyone! I'm classmate pear! I hope you can support me! ha-ha To thank everyone who cares about me: 💓 The project source code of each article is shared free of charge 💓👇👇👇 Click here for the blue font. What source code do you need? Remember to say the title and name! I can also write private letters! Xiaobian has ...

Previous articles Overview and process sorting of interface automation test In, we introduce the process of interface automation test. In our work, when a project determines to conduct interface automation test, we generally face two situations: 1. The company has been doing automated testing and has become one of them In this case, what we ...

Beautiful soup Library Although XPath is more convenient than regular expressions, it is not the most convenient, only more convenient. Our beautiful soup library can make it easier to crawl what you want. Installing the BeautifulSoup Library Before use, it is the old rule to install the BeautifulSoup library. The instructions are as fol ...

Reference resources: https://zhuanlan.zhihu.com/p/95563033https://www.cnblogs.com/qq834761298/p/12164717.htmlhttps://www.cnblogs.com/KdeS/p/13158152.html#autoid-0-6-0 1 Basic concepts 1.1 Basic Components 1.1.1 Trigger triggers Conditions used to set trigger tasks Trigger binds to Job, calculates the trigger time of Job based ...