dictionaries / namedtuples Returning Clause Foreign Keys and Joins Implementing Many to Many Self-joins Performance Techniques Query operators Three valued logic Adding user-defined operators Expressions SQL Functions apsw [https://github.com/rogerbinns/apsw]: an optional 3rd-party SQLite binding offering greater performance and much, much saner semantics than the standard library pysqlite. Use with APSWDatabase. gevent environment variable: $ NO_SQLITE=1 python setup.py build Quickstart This document presents a brief, high-level overview of Peewee’s primary features. This guide will cover: Model Definition Storing data

Expressions Foreign Keys Traversing foreign keys Joining tables Implementing Many to Many Self-joins Performance Techniques Avoiding N+1 queries Iterating over lots of rows Speeding up Bulk Inserts Transactions apsw [https://github.com/rogerbinns/apsw]: an optional 3rd-party SQLite binding offering greater performance and much, much saner semantics than the standard library pysqlite. Use with APSWDatabase. sweepea framework, there are helper extension modules available. Quickstart This document presents a brief, high-level overview of Peewee’s primary features. This guide will cover: Model Definition Storing data

apsw [https://github.com/rogerbinns/apsw]: an optional 3rd-party SQLite binding offering greater performance and comprehensive support for SQLite’s C APIs. Use with APSWDatabase. gevent [http://www.gevent environment variable: $ NO_SQLITE=1 python setup.py build Quickstart This document presents a brief, high-level overview of Peewee’s primary features. This guide will cover: Model Definition Storing data from peewee import * # SQLite database using WAL journal mode and 64MB cache. sqlite_db = SqliteDatabase('/path/to/app.db', pragmas={ 'journal_mode': 'wal', 'cache_size': -1024 * 64}) # Connect

Expressions Foreign Keys Traversing foreign keys Joining tables Implementing Many to Many Self-joins Performance Techniques Avoiding N+1 queries Iterating over lots of rows Speeding up Bulk Inserts Transactions apsw [https://github.com/rogerbinns/apsw]: an optional 3rd-party SQLite binding offering greater performance and much, much saner semantics than the standard library pysqlite. Use with APSWDatabase. gevent environment variable: $ NO_SQLITE=1 python setup.py build Quickstart This document presents a brief, high-level overview of Peewee’s primary features. This guide will cover: Model Definition Storing data

Expressions Foreign Keys Traversing foreign keys Joining tables Implementing Many to Many Self-joins Performance Techniques Avoiding N+1 queries Iterating over lots of rows Speeding up Bulk Inserts Transactions apsw [https://github.com/rogerbinns/apsw]: an optional 3rd-party SQLite binding offering greater performance and much, much saner semantics than the standard library pysqlite. Use with APSWDatabase. sweepea framework, there are helper extension modules available. Quickstart This document presents a brief, high-level overview of Peewee’s primary features. This guide will cover: Model Definition Storing data

parameters. The models implemented are frequency-dependent, so they disagree with simpler models at high enough frequencies. This calculator is heavilly based on Transcalc. The transmission line types Microstrip line: H. A. Atwater, “Simplified Design Equations for Microstrip Line Parameters”, Microwave Journal, pp. 109-115, November 1989. Coplanar wave guide. Coplanar wave guide with ground plane. Rectangular microstrip line: H. A. Atwater, “Simplified Design Equations for Microstrip Line Parameters”, Microwave Journal, pp. 109-115, November 1989. M. Kirschning and R. H. Jansen, "Accurate Wide-Range Design Equations

Expressions Foreign Keys Traversing foreign keys Joining tables Implementing Many to Many Self-joins Performance Techniques Avoiding N+1 queries Iterating over lots of rows Speeding up Bulk Inserts Transactions apsw [https://github.com/rogerbinns/apsw]: an optional 3rd-party SQLite binding offering greater performance and much, much saner semantics than the standard library pysqlite. Use with APSWDatabase. pycrypto frameworks, there are helper extension modules available. Quickstart This document presents a brief, high-level overview of Peewee’s primary features. This guide will cover: Model Definition Storing data

plugins. Property defaults Several of the libraries supported by Spring Boot use caches to improve performance. For example, Thymeleaf will cache templates to save repeatedly parsing XML source files. Whilst algorithm for choosing a specific implementation: We prefer the Tomcat pooling DataSource for its performance and concurrency, so if that is available we always choose it. If HikariCP is available we will Providing a proper set of default dependencies may be hard if the number of optional dependencies is high as you should avoid bringing unnecessary dependencies for a typical usage of the library. Chapter

plugins. Property defaults Several of the libraries supported by Spring Boot use caches to improve performance. For example, Thymeleaf will cache templates to save repeatedly parsing XML source files. Whilst algorithm for choosing a specific implementation: We prefer the Tomcat pooling DataSource for its performance and concurrency, so if that is available we always choose it. If HikariCP is available we will Providing a proper set of default dependencies may be hard if the number of optional dependencies is high as you should avoid bringing unnecessary dependencies for a typical usage of the library. Chapter

plugins. Property defaults Several of the libraries supported by Spring Boot use caches to improve performance. For example, Thymeleaf will cache templates to save repeatedly parsing XML source files. Whilst algorithm for choosing a specific implementation: We prefer the Tomcat pooling DataSource for its performance and concurrency, so if that is available we always choose it. If HikariCP is available we will Providing a proper set of default dependencies may be hard if the number of optional dependencies is high as you should avoid bringing unnecessary dependencies for a typical usage of the library. Chapter