February 2013
Intermediate to advanced
380 pages
7h 45m
Japanese
Content preview from Nodeクックブック
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.
83
レシピ 3.4 リアルデータの処理：トレンドツイートを取得する
レシピ
3.4
リアルデータの処理：トレンドツイートを取得する
世の中の
Web
サービスの多くが、
JSON
や
XML
形式のデータを提供する
API
をサードパー
ティの開発者に公開しています。開発者は
API
を使って、
Web
サービスのデータを自身のアプリ
ケーションに取り入れることができます。
そのような
API
を公開している
Web
サービスの
1
つに
Twitter
があります。本レシピでは、
Twitter
の
REST API
に
2
つのリクエストを行うコマンドラインアプリケーションを作成します。
1
つ目は
Twitter
のトレンドトピックを取得するリクエスト、
2
つ目はトレンドトピックの中で一
番ホットなトピックに関するツイートを取得するリクエストです。
準備
新しいディレクトリに
twitter_trends.js
というファイルを準備しておきます。また、
colors
というモジュールを使ってコマンドラインの出力結果に色をつけ華やかにします。以下のコマンド
で
colors
†
をインストールしておいてください。
% npm install colors
手順
Twitter
の
API
サーバにリクエストを送信するため、
HTTP
クライアントが必要です。そこで、
http
モジュールを
require
で呼び出しておきます。また、「準備」でインストールした
colors
モ
ジュールも同様に呼び出しておきます。
twitter_trends.js
var http = require('http'); ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.