May 2015
Intermediate to advanced
376 pages
5h 48m
Chinese
Content preview from 成為卓越程式設計師的38項必修法則
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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.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.
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| 第七章：在汙物中打滾
請提起勇氣修改程式碼。你有一張安全防護網：原始碼控制系統。如果你出錯，一定可
以回到當時的情況，重新嘗試一次。這不會浪費你的精力，因為透過實作，你已經學習
程式碼，以及它的能耐。
有時大膽地挖出程式碼並換掉它是值得的。看起來沒有整理或重構的程式碼，修正零散
的狀況可能太過痛苦且困難。但是換掉整個程式碼還是有一些潛在的風險：在特殊情況
下，那種讓人無法閱讀的程式碼
或許
是有原因的。每一次的修補與 hack 都會寫入一段
重要的功能，要經歷痛苦才會發現。忽略這些微妙的行為，需要自負後果。
Micheal Feathers 的
Working Effectively with Legacy Code
是一本討論如何適當地修改流
沙程式碼的優秀書籍
1
。他提到一個很棒的技術，可在程式碼中加入接縫—你可以加入
測試點，而且幾乎可以安全地加入。
戰記：容器程式碼奇案
有一種容器類別。它在專案的核心。它的內部是污穢的，API 也很糟糕。原本寫它的程
式員努力地讓它作怪。它裡面的 bug 被混亂不堪的行為隱藏起來。事實上，令人難以理
解的行為本身就是個 bug。
我們其中一位技術高超的開發程式員試著重構並修護容器。他保持外部介面的完好，並
提升許多內部的品質：修正方法，去除專案生命週期行為、效能的 Bug，及讓程式更優
雅。[Page-60]
他取出討厭的、醜陋的、過度簡化的、愚蠢的程式碼，換成截然不同的程式。但是在他
維護舊 API 的工作中，這個新的版本過於做作，比較像是科學專案，而不是實用的程式 ...
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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.