guide will cover: Model Definition Storing data Retrieving Data Note If you’d like something a bit more meaty, there is a thorough tutorial on creating a “twitter”-style web app using peewee and the the pet’s owner. This behavior is referred to as N+1 and it should generally be avoided. For an in-depth guide to working with relationships and joins, refer to the Relationships and Joins documentation PooledPostgresqlExtDatabase PooledMySQLDatabase PooledSqliteDatabase PooledSqliteExtDatabase For an in-depth discussion of peewee’s connection pool, see the Connection pool section of the playhouse documentation

peewee Documentation, Release 3.6.0 • Storing data • Retrieving Data Note: If you’d like something a bit more meaty, there is a thorough tutorial on creating a “twitter”-style web app using peewee and the the pet’s owner. This behavior is referred to as N+1 and it should generally be avoided. For an in-depth guide to working with relationships and joins, refer to the Relationships and Joins documentation PooledPostgresqlExtDatabase • PooledMySQLDatabase • PooledSqliteDatabase • PooledSqliteExtDatabase For an in-depth discussion of peewee’s connection pool, see the Connection pool section of the playhouse documen-

guide will cover: Model Definition Storing data Retrieving Data Note If you’d like something a bit more meaty, there is a thorough tutorial on creating a “twitter”-style web app using peewee and the PooledPostgresqlExtDatabase PooledMySQLDatabase PooledSqliteDatabase PooledSqliteExtDatabase For an in-depth discussion of peewee’s connection pool, see the Connection pool section of the playhouse documentation the ith bit, e.g. the 1st bit, the 11th bit, the 63rd, etc. bits_to_set = (1, 11, 63, 31, 55, 48, 100, 99) for bit_idx in bits_to_set: bitmap.data.set_bit(bit_idx) # We can test whether a bit is set

guide will cover: Model Definition Storing data Retrieving Data Note If you’d like something a bit more meaty, there is a thorough tutorial on creating a “twitter”-style web app using peewee and the tree and graph-structured data - imagine retrieving all of the relations of a graph node to a given depth, for example. Find the upward recommendation chain for member ID 27 Find the upward recommendation PooledPostgresqlExtDatabase PooledMySQLDatabase PooledSqliteDatabase PooledSqliteExtDatabase For an in-depth discussion of peewee’s connection pool, see the Connection pool section of the playhouse documentation

guide will cover: Model Definition Storing data Retrieving Data Note If you’d like something a bit more meaty, there is a thorough tutorial on creating a “twitter”-style web app using peewee and the tree and graph-structured data - imagine retrieving all of the relations of a graph node to a given depth, for example. Find the upward recommendation chain for member ID 27 Find the upward recommendation PooledPostgresqlExtDatabase PooledMySQLDatabase PooledSqliteDatabase PooledSqliteExtDatabase For an in-depth discussion of peewee’s connection pool, see the Connection pool section of the playhouse documentation

peewee Documentation, Release 3.5.0 • Storing data • Retrieving Data Note: If you’d like something a bit more meaty, there is a thorough tutorial on creating a “twitter”-style web app using peewee and the PooledPostgresqlExtDatabase • PooledMySQLDatabase • PooledSqliteDatabase • PooledSqliteExtDatabase For an in-depth discussion of peewee’s connection pool, see the Connection pool section of the playhouse documen- the ith bit, e.g. the 1st bit, the 11th bit, the 63rd, etc. bits_to_set = (1, 11, 63, 31, 55, 48, 100, 99) for bit_idx in bits_to_set: bitmap.data.set_bit(bit_idx) # We can test whether a bit is set using

peewee Documentation, Release 3.3.0 • Storing data • Retrieving Data Note: If you’d like something a bit more meaty, there is a thorough tutorial on creating a “twitter”-style web app using peewee and the tree and graph- structured data - imagine retrieving all of the relations of a graph node to a given depth, for example. Find the upward recommendation chain for member ID 27 Find the upward recommendation PooledPostgresqlExtDatabase • PooledMySQLDatabase • PooledSqliteDatabase • PooledSqliteExtDatabase For an in-depth discussion of peewee’s connection pool, see the Connection pool section of the playhouse documen-

peewee Documentation, Release 3.4.0 • Storing data • Retrieving Data Note: If you’d like something a bit more meaty, there is a thorough tutorial on creating a “twitter”-style web app using peewee and the tree and graph- structured data - imagine retrieving all of the relations of a graph node to a given depth, for example. Find the upward recommendation chain for member ID 27 Find the upward recommendation PooledPostgresqlExtDatabase • PooledMySQLDatabase • PooledSqliteDatabase • PooledSqliteExtDatabase For an in-depth discussion of peewee’s connection pool, see the Connection pool section of the playhouse documen-

guide will cover: Model Definition Storing data Retrieving Data Note If you’d like something a bit more meaty, there is a thorough tutorial on creating a “twitter”-style web app using peewee and the tree and graph-structured data - imagine retrieving all of the relations of a graph node to a given depth, for example. Find the upward recommendation chain for member ID 27 Find the upward recommendation PooledPostgresqlExtDatabase PooledMySQLDatabase PooledSqliteDatabase PooledSqliteExtDatabase For an in-depth discussion of peewee’s connection pool, see the Connection pool section of the Playhouse, extensions

handling HTTP features like compression, authentication, caching user-agent spoofing robots.txt crawl depth restriction and more A Telnet console for hooking into a Python console running inside your Scrapy XPath” [http://plasmasturm.org/log/xpath101/]. Extracting quotes and authors Now that you know a bit about selection and extraction, let’s complete our spider by writing the code to extract the quotes class="tag" href="/tag/world/page/1/">world