August 2017
Intermediate to advanced
500 pages
12h 3m
Japanese
Content preview from PythonとJavaScriptではじめるデータビジュアライゼーション
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330
15 章 可視化
#nobel-bar {
top: 510px;
height: 240px;
width: 700px;
}
#nobel-list {
top: 160px;
height: 340px;
width: 290px;
left: 700px;
padding-left: 10px; #
❸
}
❶
chart-holder
親コンテナに相対的な、手動で調整した絶対位置指定にする。
❷ 時系列グラフは幅全体を使う。
❸ パディングで要素に「余白」を持たせる。
その他の
CSS
スタイルは要素ごとに異なるので、それぞれの章で取り上げます。上記の
CSS
を
使い、
JavaScript
で
HTML
スケルトンに可視化を実現します。
15.4
JavaScript
エンジン
どのような大きさでも、早い段階でモジュール化を採用するとよいでしょう。
Web
にある多く
の
D3
の例は
†
、
HTML
、
CSS
、
JavaScript
、そしてデータを
1
ページに組み合わせたソリューショ
ンです。使い方を覚えるのには適していますが、コードベースが増えると急速に状況が悪化しま
す。変更が大変になって名前空間の衝突などが起こりやすくなるでしょう。
15.4.1
スクリプトのインポート
JavaScript
ライブラリの成熟したインポートやインクルードシステムの開発を試みて、多かれ少
なかれ成功を収めたものがいくつかありますが、まだ成熟のレベルには達していません
‡
。現時点
では、ほとんどの
JavaScript
開発者（特に初心者の方）は正しい順序でスクリプトをインクルー ...
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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.