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Go Web Scraping Quick Start Guide: Implement the power of Go to scrape and crawl

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Book Title
Go Web Scraping Quick Start Guide: Implement the power of Go to s
Publication Date
2019-01-30
ISBN
9781789615708
Publication Year
2019
Type
Textbook
Format
Trade Paperback
Language
English
Subject Area
Computers
Publication Name
Go Web Scraping Quick Start Guide : Implement the Power of Go to Scrape and Crawl Data from the Web
Author
Vincent Smith
Item Length
3.6 in
Publisher
Packt Publishing, The Limited
Item Width
3 in
Subject
Software Development & Engineering / General, Web / Web Services & APIs, Web / General, User Interfaces, Data Processing
Number of Pages
132 Pages

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Product Information

Learn how some Go-specific language features help to simplify building web scrapers along with common pitfalls and best practices regarding web scraping. Key Features Use Go libraries like Goquery and Colly to scrape the web Common pitfalls and best practices to effectively scrape and crawl Learn how to scrape using the Go concurrency model Book Description Web scraping is the process of extracting information from the web using various tools that perform scraping and crawling. Go is emerging as the language of choice for scraping using a variety of libraries. This book will quickly explain to you, how to scrape data data from various websites using Go libraries such as Colly and Goquery. The book starts with an introduction to the use cases of building a web scraper and the main features of the Go programming language, along with setting up a Go environment. It then moves on to HTTP requests and responses and talks about how Go handles them. You will also learn about a number of basic web scraping etiquettes. You will be taught how to navigate through a website, using a breadth-first and then a depth-first search, as well as find and follow links. You will get to know about the ways to track history in order to avoid loops and to protect your web scraper using proxies. Finally the book will cover the Go concurrency model, and how to run scrapers in parallel, along with large-scale distributed web scraping. What you will learn Implement Cache-Control to avoid unnecessary network calls Coordinate concurrent scrapers Design a custom, larger-scale scraping system Scrape basic HTML pages with Colly and JavaScript pages with chromedp Discover how to search using the "strings" and "regexp" packages Set up a Go development environment Retrieve information from an HTML document Protect your web scraper from being blocked by using proxies Control web browsers to scrape JavaScript sites Who this book is for Data scientists, and web developers with a basic knowledge of Golang wanting to collect web data and analyze them for effective reporting and visualization.

Product Identifiers

Publisher
Packt Publishing, The Limited
ISBN-10
1789615704
ISBN-13
9781789615708
eBay Product ID (ePID)
24038495955

Product Key Features

Author
Vincent Smith
Publication Name
Go Web Scraping Quick Start Guide : Implement the Power of Go to Scrape and Crawl Data from the Web
Format
Trade Paperback
Language
English
Subject
Software Development & Engineering / General, Web / Web Services & APIs, Web / General, User Interfaces, Data Processing
Publication Year
2019
Type
Textbook
Subject Area
Computers
Number of Pages
132 Pages

Dimensions

Item Length
3.6 in
Item Width
3 in

Additional Product Features

Table of Content
Table of Contents Introducing Web Scraping and Go The Request/Response Cycle Web Scraping Etiquette Parsing HTML Web Scraping Navigation Protecting Your Web Scraper Scraping with Concurrency Scraping at 100x
Target Audience
Trade

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