March 2018
Beginner to intermediate
624 pages
16h 10m
Japanese
Content preview from Head First Python 第2版 ―頭とからだで覚えるPythonの基本
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そのデータを扱う
Web
アプリケーションのデータを使って何かを行う
5
章で開発した
Web
アプリケーションは（
phrase
と
letters
という形式で）
Web
ブラウザか
らの入力を受け取り
search4letters
呼び出しを実行し、レスポンス待ちの
Web
ブラウザに結
果を返します。処理が完了すると、
Web
アプリケーションは持っている全データを破棄します。
Web
アプリケーションのデータに関する疑問はたくさんあります。例えば、「いくつのリクエス
トに応答したか」、「最も一般的な検索文字のリストは何か」、「リクエストがどの
IP
アドレスから来
たか」、「最もよく使われているブラウザは何か」などです。
こうした（およびその他の）疑問に答えるには、
Web
アプリケーションのデータを捨ててしまわず
に保存しておく必要があります。上のような疑問があるのは普通です。それぞれのリクエストに関
するデータをロギングし、（ロギ
ングメカニズムを用意してから）疑問に答えていきましょう。
244
6
章
つまり、すべての
リクエストは
phrase
と
letters
の値と一緒に
届いて、
search4letters
を
呼び出して結果を作成
して送り返し、
そして、データは捨てるだけ
!?
少なくとも、リクエストデータの
ログは取るべきじゃないの？
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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.