2016年4月6日(水)
DevRel Meetup in Tokyo #7 #devreljp 発表資料
http://devrel.connpass.com/event/28534/
■素材についてのクレジット
タイトル:ブラックジャックによろしく
著作者名:佐藤秀峰
サイト名: 漫画 on web
http://mangaonweb.com/satoshuho/download/#kiyaku
This document discusses SQLAlchemy, a Python library for accessing relational databases. It provides an object-relational mapper (ORM) that allows Python objects to be mapped to database tables. Key features discussed include SQL expression, which allows SQL queries to be constructed programmatically in Python, and the unit of work pattern, where the ORM session tracks object states and generates SQL statements. The document also covers getting started with SQLAlchemy, including installing it, defining models, connecting to a database, querying models, and using sessions and transactions.
This document provides information about three different events and opportunities. It announces a meetup about the Mackerel monitoring service to be held on February 21st in Tokyo. It also shares a link to an open-source home server project on GitHub called a-know-home-server. Finally, it includes a link to a job posting for a sales engineer position at Hatena.
2016年4月6日(水)
DevRel Meetup in Tokyo #7 #devreljp 発表資料
http://devrel.connpass.com/event/28534/
■素材についてのクレジット
タイトル:ブラックジャックによろしく
著作者名:佐藤秀峰
サイト名: 漫画 on web
http://mangaonweb.com/satoshuho/download/#kiyaku
This document discusses SQLAlchemy, a Python library for accessing relational databases. It provides an object-relational mapper (ORM) that allows Python objects to be mapped to database tables. Key features discussed include SQL expression, which allows SQL queries to be constructed programmatically in Python, and the unit of work pattern, where the ORM session tracks object states and generates SQL statements. The document also covers getting started with SQLAlchemy, including installing it, defining models, connecting to a database, querying models, and using sessions and transactions.
This document provides information about three different events and opportunities. It announces a meetup about the Mackerel monitoring service to be held on February 21st in Tokyo. It also shares a link to an open-source home server project on GitHub called a-know-home-server. Finally, it includes a link to a job posting for a sales engineer position at Hatena.
Le document aborde les différents modèles d'architecture de développement d'applications iOS, notamment MVC, MVP, MVVM et VIPER. Il souligne l'importance de réduire la complexité des contr?leurs de vue dans le cadre d'une architecture propre. L'auteur partage également des liens vers Twitter et GitHub pour des ressources supplémentaires.
Vector and ListBuffer have similar performance for random reads. Benchmarking showed no significant difference in throughput, average time, or sample times between reading randomly from a Vector versus a ListBuffer. Vectors are generally faster than Lists for random access due to Vectors being implemented as arrays under the hood.