May 2017
Beginner to intermediate
220 pages
5h 2m
English
Content preview from Python Web Scraping - Second Edition
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Scraping versus crawling
Depending on the information you are after and the site content and structure, you may need to either build a web scraper or a website crawler. What is the difference?
A web scraper is usually built to target a particular website or sites and to garner specific information on those sites. A web scraper is built to access these specific pages and will need to be modified if the site changes or if the information location on the site is changed. For example, you might want to build a web scraper to check the daily specials at your favorite local restaurant, and to do so you would scrape the part of their site where they regularly update that information.
In contrast, a web crawler is usually built in a generic way; ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.