The CSS Handbook
the link tag 4.2. 2: using the style tag 4.3. 3: inline styles 5. Selectors 5.1. Basic selectors 5.2. Combining selectors 5.2.1. Targeting an element with a class or id 5.2.2. Targeting multiple multiple classes 5.2.3. Combining classes and ids 5.3. Grouping selectors 5.4. Follow the document tree with selectors 6. Cascade 7. Specificity 7.1. How to calculate specificity 7.1.1. Slot 1 7.1.2 inherit 8.4. Other special values 9. Import 10. Attribute selectors 10.1. Attribute presence selectors 10.2. Exact attribute value selectors 10.3. Match an attribute value portion 11. Pseudo-classes0 码力 | 184 页 | 1.96 MB | 1 年前3Scrapy 1.6 Documentation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 3.3 Selectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • Built-in support for selecting and extracting data from HTML/XML sources using extended CSS selectors and XPath expressions, with helper methods to extract using regular expressions. • An interactive assigned callback. Extracting data The best way to learn how to extract data with Scrapy is trying selectors using the shell Scrapy shell. Run: scrapy shell 'http://quotes.toscrape.com/page/1/' Note: Remember0 码力 | 295 页 | 1.18 MB | 1 年前3Scrapy 1.8 Documentation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 3.3 Selectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • Built-in support for selecting and extracting data from HTML/XML sources using extended CSS selectors and XPath expressions, with helper methods to extract using regular expressions. • An interactive assigned callback. Extracting data The best way to learn how to extract data with Scrapy is trying selectors using the Scrapy shell. Run: scrapy shell 'http://quotes.toscrape.com/page/1/' Note: Remember0 码力 | 335 页 | 1.44 MB | 1 年前3Scrapy 1.7 Documentation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 3.3 Selectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • Built-in support for selecting and extracting data from HTML/XML sources using extended CSS selectors and XPath expressions, with helper methods to extract using regular expressions. • An interactive assigned callback. Extracting data The best way to learn how to extract data with Scrapy is trying selectors using the Scrapy shell. Run: scrapy shell 'http://quotes.toscrape.com/page/1/' Note: Remember0 码力 | 306 页 | 1.23 MB | 1 年前3Scrapy 1.0 Documentation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 3.3 Selectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • Built-in support for selecting and extracting data from HTML/XML sources using extended CSS selectors and XPath expressions, with helper methods to extract using regular expressions. • An interactive Introduction to Selectors There are several ways to extract data from web pages. Scrapy uses a mechanism based on XPath or CSS expressions called Scrapy Selectors. For more information about selectors and other0 码力 | 244 页 | 1.05 MB | 1 年前3Scrapy 2.0 Documentation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 3.3 Selectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • Built-in support for selecting and extracting data from HTML/XML sources using extended CSS selectors and XPath expressions, with helper methods to extract using regular expressions. • An interactive assigned callback. Extracting data The best way to learn how to extract data with Scrapy is trying selectors using the Scrapy shell. Run: scrapy shell 'http://quotes.toscrape.com/page/1/' Note: Remember0 码力 | 336 页 | 1.31 MB | 1 年前3Scrapy 2.1 Documentation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 3.3 Selectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • Built-in support for selecting and extracting data from HTML/XML sources using extended CSS selectors and XPath expressions, with helper methods to extract using regular expressions. • An interactive assigned callback. Extracting data The best way to learn how to extract data with Scrapy is trying selectors using the Scrapy shell. Run: scrapy shell 'http://quotes.toscrape.com/page/1/' Note: Remember0 码力 | 342 页 | 1.32 MB | 1 年前3Scrapy 2.2 Documentation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 3.3 Selectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • Built-in support for selecting and extracting data from HTML/XML sources using extended CSS selectors and XPath expressions, with helper methods to extract using regular expressions. • An interactive assigned callback. Extracting data The best way to learn how to extract data with Scrapy is trying selectors using the Scrapy shell. Run: scrapy shell 'http://quotes.toscrape.com/page/1/' Note: Remember0 码力 | 348 页 | 1.35 MB | 1 年前3Scrapy 2.3 Documentation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 3.3 Selectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • Built-in support for selecting and extracting data from HTML/XML sources using extended CSS selectors and XPath expressions, with helper methods to extract using regular expressions. • An interactive assigned callback. Extracting data The best way to learn how to extract data with Scrapy is trying selectors using the Scrapy shell. Run: scrapy shell 'http://quotes.toscrape.com/page/1/' Note: Remember0 码力 | 352 页 | 1.36 MB | 1 年前3Scrapy 2.4 Documentation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 3.3 Selectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • Built-in support for selecting and extracting data from HTML/XML sources using extended CSS selectors and XPath expressions, with helper methods to extract using regular expressions. • An interactive Release 2.4.1 Extracting data The best way to learn how to extract data with Scrapy is trying selectors using the Scrapy shell. Run: scrapy shell 'http://quotes.toscrape.com/page/1/' Note: Remember0 码力 | 354 页 | 1.39 MB | 1 年前3
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