Programmer Group

catalogue preface environment Crawler code Keyword extraction code Main program code summary preface Recently, I was on a business trip and found that there was Xiaoqiang in my hotel. So when I was bored on a business trip, I wrote some crawler code to play. Asking is the occasion. This article mainly crawls the 100 titles of CSDN's ...

Search "xxx weather" in any browser, such as Chongqing weather, We select the first website to crawl, and the url is' ' weathernew.pae.baidu.com/weathernew/pc?query = Chongqing Weather & srcid = 4982 & City_ Name = Chongqing & Province_ Name = Chongqing'                     ​​​​​     Next, crawl the web page i ...

selenium basic usage Running environment: from selenium.webdriver import Chrome 1. Create browser object b = Chrome('files/chromedriver') 2. Open the page b.get('https://www.qidian.com/rank/yuepiao/month10/') 3. Get web data print(b.page_source) 4. Close the web page b.close() selenium common configurations Running environment: f ...

Modular programming - functions What is modular programming? Modular programming refers to the encapsulation of programs (function encapsulation, object encapsulation, file encapsulation, etc.) What is a function? Function - > function A function is a block of code with a specific function Function? Function is to encapsulate the code ...

1. Preface Today, let's talk about a very practical topic! Many students mentioned that can I modify the step name displayed in the Airtest report instead of displaying all the touch es as clicks and all the controls as poco clicks: Today, we will use the -- plugins parameter to pass in the plug-in to meet the students' needs. 2. Introduction ...

1 Introduction to the experiment Experimental requirements: implement a handwritten numeral recognition program, as shown in the figure below. The neural network is required to include a hidden layer, and the number of neurons in the hidden layer is 15. Overall idea: mainly refer to the introduction of neural network in Chapter 5 of waterme ...

We learned the simple use of XPath before. Refer to: https://www.cnblogs.com/minseo/p/15502584.html Today, let's practice using XPath to analyze the Douban film ranking. This time, we practice obtaining the new film ranking information of the film ranking. The content obtained in the exercise is the url, film name and director name of the new f ...

Introduction Good morning, everyone—— Do you miss me? Mu Muzi is coming. Today, I will put a big move on the line for you! Just learned to record video, and then the dynamic display of the effect is finally perfectly recorded! Today, follow Xiaobian to update a wave of game series we are looking forward to ~ complete informatio ...

Linear regression hand tearing [^ 1] %matplotlib inline import random import torch from d2l import torch as d2l Construct dataset y = X w + b ...

target In this chapter, you will learn Find objects in images using template matchingFunction: cv2.matchTemplate(), cv2.minMaxLoc() theory Template matching is a method used to search and find the location of template image in large image. To this end, OpenCV implements a function cv2.matchTemplate(). It just slides the template image onto ...