September 2013
Intermediate to advanced
264 pages
5h
Chinese
Content preview from Bad Data 技術手冊
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第五章：（重新）組織網站的資料
結論
任何的「網站資料抓取」程式，會被許多你無法控制的因素所影響，所以會讓你的程式
變得比較不可靠。網站變更時資料會變更，所以儲存這些頁面的離線版本，要比實際去
分析或抽取即時的資料要重要許多。在讀取頁面時，太慢的連接會讓連接超時，所以你
的程式要處理這類的錯誤並且繼續執行，記錄你曾拜訪過頁面的歷史記錄，讓你能夠
再次（或是多次）的處理頁面，以取得更多的資料。然而，有時對一個網站執行逆向工
程、瞭解它們是如何運作、發掘其設計方式以及最終獲得一些有趣的資料，是很有趣的
挑戰。
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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.
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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.