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
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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.
159
修正コストのデータからアーキテクティングの価値について学べること
これらの調査においては、変更数と変更ごとの工数に関するデータはありませんが、プロジェクト
1
においてストーリーごとの総開発工数の比率を見ると、
1
ストーリー進むごとにおおまかに平均して、
リファクタリングについては
6%
の工数増（最初の
0%
から
6
ストーリー目では
35%
に増大）、エラー
修正については
4%
の工数増（最初の
0%
から
6
ストーリー目では
25%
に増大）となっています。プロジェ
クト
2
についてはこれらの増大比率はおよそ
5%
と
3%
です。これらは小さくない増大比率であり、アジャ
イル開発のエキスパートたちが言うほど良くはありませんが、こちらの方が典型的な
XP
開発の実践を
表していそうです。プロジェクト
1
とプロジェクト
2
で後者がやや小さい値となっているのは、
XP
プ
ロセスの学習効果によるものでしょうけれど、大きなものとは言えません。
［
Reifer 2002
］はいくつかの有償ソフトウェアについて、同様の特性を示すデータを引用しています。
もうひとつの裏付けとなるデータとして、［
Elssamadisy and Schalliol 2002
］の中の
XP Thought
Works
リース管理プロジェクト経験報告があります。プロジェクトサイズが
50
人・
1000
ストーリー・
コード行数
50
万に到達した時点について、「すべてのストーリーカードが適切な時間内
[30
日以内］に
完了したと皆が言ったが、顧客に良質なアプリケーションを納入するためにはさらに ...
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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.