Programmer Think

preface Whether you are a college student, a white-collar class who has stepped into the society, or a famous boss in the business world, you will always ask for a signature from time to time. Are you still embarrassed by your ugly signature? No need from now on, because with this article, there is an artist's autograph specially designed for ...

This issue is a crawler and data analysis of the popular online drama "fierce knife in the snow". The total number of crawlers is 1W comments, which is very suitable for newcomers to practice. In the case, the emotional text analysis of comments is specially added for your reference. Crawler: since Tencent's comment data is encap ...

Don't stay after the wind and the moon. The spring mountain is at the end of Pingwu. Finally have time to update my blog!! This time, let's climb Baidu Index. 1, Web page analysis We take reptile as the keyword to analyze Baidu Index Then, F12 developer mode, refresh, and click Network - > XHR - > index? area=0&word=... -> ...

In this part, Mr. Songtian explained the application of relevant knowledge of re database. Next, we will crawl the information of Taobao commodity page in combination with requests database. Note: crawler practice is only for learning, not for commercial use. If there is infringement, please contact to delete! Target page: Taobao Search Tao ...

"The ancients' knowledge is weak, but their Kung Fu can only be achieved when they are young and old." One article takes you from the introduction to the mastery of nodejs. In fact, the cost of learning nodejs is not so high. You only need this article from brother feitu. Ten minutes will take you from the introduction to the master ...

JSON, fully known as JavaScript Object Notation, also known as JavaScript object markup, represents data through the combination of objects and arrays. It is simple in structure but highly structured. It is a lightweight data exchange format catalogue Objects and arrays Read Jason Output JSON Objects and arrays In JavaScript language, ...

I came across a man named puppeteer Google browser developed itself in 17 years Chrome Headless characteristic,And launched at the same time puppeteer,It can be understood as our daily use Chrome Interface free version of and how to manipulate it js Interface package ". In short, it is a third-party library that simulates the behavior of ...

summary This paper is mainly divided into data acquisition (microblog crawler) and text analysis (topic extraction and emotion calculation). Project scenario: Taking microblog as the data source, analyze the Theme Evolution and emotional fluctuation trend of public opinion of Xinguan vaccine, verify it in combination with current events, so as ...

1, Font anti crawl Introduction of font anti pickpocketing based on the case of starting point Chinese network Requirements: https://www.qidian.com/rank/yuepiao/ Get the title of the book and the number of monthly tickets ranked in the monthly ticket list of the starting point Chinese website Through packet capturing, we can find that the bo ...

It mainly explains crawler related knowledge, such as http, web pages, crawler law, etc., so that everyone has a relatively perfect understanding of crawlers and some off topic knowledge points. In today's article, we will officially enter the practical stage from today. There will be more practical cases later. After explaining the princip ...