This article illustrates five common problems in database design, in the PHP code that accesses databases, and how to fix these problems when you see them.

本文说明了数据库设计和访问数据库的 PHP 代码中出现的五个常见问题，以及在遇到这些问题时如何修复它们。

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Here I'll talk about what to do once you've unearthed reusable design in code, covering techniques for harvesting those patterns.

在这里我要讲一下在发掘出代码中的可重用设计之后应该做些什么，介绍获取这些模式所用的方法。

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Duplication in code obscures the design because you can't find idiomatic patterns.

代码复制使设计变得更加模糊，因为您无法找到惯用模式。

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First one, when I write a piece of code, especially code that has branches in it, when I design test cases for that piece of code, I should try and have a specific test case for each possible path through the code.

第一点，当我们写代码的时候，尤其是一些含有分支语句的代码的时候，当我为这些代码,设计测试用例的时候，我应该为每一个可能的程序路径,都设计一个特别的用例。

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The company also draws on generative programming to automate some parts of code writing and on intentional programming, which captures a programmer's initial design plans as code, in a more natural form than binary algebra.

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You can thank the region's passion for design, combined with an extremely helpful wrinkle in the Norwegian tax code.

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Its astounding success in Internet search is universally regarded as a consequence of better design, superior code, better products and plain old hard work.

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