September 2011
Intermediate to advanced
612 pages
15h 48m
Japanese
Content preview from Making Software ―エビデンスが変えるソフトウェア開発
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.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.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.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.
389
参考文献
ます
!
最初の開発時にパターンにプラスの効果があるかどうかは、まだ未解決の問題です。その方面での最
初の実験は、
API
の使いやすさの視点から
Abstract Factory
パターンを調べたものがあります［
Ellis
et al. 2007
］。そこで分かったのは、プログラマたちにとってファクトリを使ってオブジェクトを作る
のは、コンストラクタを使う場合よりもかなり時間が掛かる、ということです。ただしその実験では、
Abstract Factory
パターンが意図通りには使われませんでした。整合性のあるオブジェクト群を管理す
るのではなく、
1
つだけのオブジェクトを作ることをテストしたのです。ですからこの実験では、パター
ンはその期待される実力を発揮できる余地がなかったのです。こういうこともあるので、意味のある実
験を設計することは本当に難しいのです。にもかかわらず、最初の開発時におけるパターンの有効性
を
検証するさらなる実験が望まれますし、
API
の使いやすさというアプローチも確かに有効でしょう。
本章で議論した実験はどれも、パターンを使用した場合のコスト軽減の可能性については何も述べて
いません。この問題は将来の実験で答えが明らかになるでしょう。
謝辞
実験は多くの方々の助力のおかげで実施できました。個別のお名前は挙げませんが、被験者の方々に、
真っ先に、そして最も感謝いたします。はじめて見る奇妙なプログラムや問題を我慢しながら、すすん
で解いてくれました。私の研究室の大学院生、
Lutz Prechelt ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.