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1, Introduction In the current anti crawling measures used by various websites, it is very common to use JavaScript encryption. Usually, JavaScript is used to encrypt a certain parameter, such as token or sign. In this example, we take this measure to anti crawl, using JavaScript to encrypt a parameter anti token, and this blog is about how to ...

I. Thematic Web Crawler Design 1. Thematic web crawler name: Crawl the Meituan platform Gule Buffalo Mixed Hotpot Review and Scoring Data Analysis and Visualization Processing 2. Contents crawled by thematic web crawlers: Comments and rating data of Gule Buffalo Mixed Hotpot on Meituan Platform 3. Design overview: Implement ideas: Grab the data ...

The previous article explained the implementation of MQTT protocol in JS by interacting with Unity3D, which is rather rough because it is not particularly proficient with JS.In this article, Unity3D is introduced to implement MQTT protocol communication, and the process is explained in detail.MQTT is an open source communication method of IBM ...

Read entire file Reading the entire file into memory is one of the most basic file operations. This requires the ReadFile function in the ioutil package. package main import ( "flag" "fmt" "io/ioutil" ) func main() { fptr := flag.String("path", "test.txt", "Path to the file to be read") flag.Parse() data, err := ioutil.ReadFile(*fpt ...

I. Introduction Beautiful Soup It is a Python library that can extract data from HTML or XML files. It can realize the usual way of document navigation, search and modification through your favorite converter. Beautiful Soup will save you hours or even days of working time Official Chinese document address: https://beautifulsoup.readthedocs.i ...

Dynamsoft Barcode SDK includes a powerful barcode scanning Demo, which supports barcode scanning functions such as file reading, scanner image reading, and camera video stream reading. However, the calling function of scanner and camera is not free. Dynamic. Net Twain is a commercial SDK. This article shares how to remove the scanner function ...

1. Download and import the dependency package of HttpClient: httpmime-4.5.2.jar httpcore-4.4.4.jar httpclient-win-4.5.2.jar httpclient-cache-4.5.2.jar httpclient-4.5.2.jar Baidu online disk link: https://pan.baidu.com/s/1aNBeVvaSm7ePZ3pDH3HeAA  Extraction code: d8tr 2. Create application in Baidu map; (1) Click the application managemen ...

Summary RSA encryption algorithm is an asymmetric encryption algorithm The way of RSA encryption Data encrypted by public key and decrypted by private key Data encrypted by private key and decrypted by public key RSA is a pair of keys. They are public key and private key. The public key and private key are actually a group of numbers. The b ...

[Four cases]: HttpRequest,HttpResponse,HttpServletRequest,HttpServletResponse[What is HTTP?]HyperText Transfer Protocol (HTTP) is a protocol designed to allow clients and servers to communicate smoothly.HTTP works as a request-response protocol between the client and the server.[Two commonly used methods of Http]get - get data from the specifi ...

No matter which partition mode is adopted before, it cannot be partitioned The producer partition's divider partition selection determines which partition to send messages to when multiple partitions exist sarama has multiple dividers: sarama.NewManualPartitioner() //Returns a manually selected partition divider, that is, to get the 'partition' ...