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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10
章 関数デコレータ
関数を包む
コードを補強する手段は、
9
章のコンテキストマネジメントプロトコルが唯一の手
段ではありません。
Python
では関数デコレータも用意されています。関数デコレータを使うと、既存の関数の
コードを変更せずに既存の関数に機能を追加できます。これがある種の黒魔術のように思える
かもしれませんが、全然違います。しかし、関数デコレータの作成は多くの人にとっては敷居
が高いと思われているようなので、不必要に使わないようにします。この章では、高度なテク
ニックと思われているデコレータの作成と使用が、それほど難しくないことを示したいと思い
ます。
this is a new chapter
363
これを食べちゃったらパパの
部屋の壁をこの汚れた指で
デコレーションするんだ。
時間をかけて考える
Web
アプリケーションはうまくいっているけど
Web
アプリケーションの最新バージョンを同僚に見せたところ、ここまでの成果に感心してくれ
ました。しかし、同僚から興味深い質問をされました。「すべてのユーザがログページを閲覧できる
のは適切なのかな？」
同僚は、
/viewlog
を知っている人なら誰でも、権限があってもなくてもこの
URL
でログデータ
を閲覧できると言っているのです。実際に、現時点では
Web
アプリケーションの ...
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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.