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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274
15
章 品質戦争：オープンソース対有償ソフト
最後の興味深いマークの集中は、
FreeBSD
カーネルでプリプロセサが
-
になっているところです。
これは、少なくともプログラムを書いた人と同じくらいに頭の切れる開発者がコードを読むはずだとい
う、プログラミングに対する熱心な姿勢と結び付いて、コードベースが円熟しているためと考えられま
す。ただし、
FreeBSD
ソースコード全般に渡って名前空間の汚染レベルが特に低いのは、プリプロセ
サを用いた仕掛けを用いて、注意深くスコープのあるデータ構造にアクセスするようにした結果です。
特定のオープンソース開発手法やクローズドソース開発手法の効率について、さまざまな主張がある
でしょうけれど、私たちは本章の結果から、明らかな勝者（や敗者）はない、と分かりました。由緒あ
る経歴を持つシステム（
OpenSolaris
）が 、
+
と
-
のマークの間で最もよくバランスしています。他方、
WRK
は
-
のマーク数が最大個であり、
OpenSolaris
は
-
のマークが
2
番目に少数です。オープンソー
スシステムを見ると、
FreeBSD
が
-
のマークが最も多く、かつ
+
のマークが最も少なく、
Linux
が
+
のマークが
2
番目に多いです。従って、マークの全体的なバランスから読み取れる最大のことがらは、
オープンソース開発手法が商用ソフトウェア開発よりも際立って高品質のソフトウェアを産むわけでは
ない、ということです。
謝辞および利害関係の表明
Microsoft
、
Sun
、および
FreeBSD
と
Linux ...
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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.