There are 43 lessons, covering everything from syntax to coding guidelines and code optimization.

全书共43节课，涉及编码句法指导和代码优化。

youdao

Brown considers that 100% testing coverage is hard to achieve, quite impractical, suggesting 80%, covering the most important pieces of the code.

Brown认为，100%的测试覆盖率是很难做到的，非常不切实际，他建议80%，覆盖代码最重要的部分。

youdao

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。

youdao

As you can see by the photos, the design of the device is largely similar to those we've seen, but the graphic on back is slightly different, and that piece of tape is covering a QR code (how very Google of them).

ENGADGET: Exclusive: first Google Phone / Nexus One photos, Android 2.1 on-board

It won exemption in 1986 under section 501(c)(4) of the code, covering civic and social welfare groups.

FORBES: The Democrats' Little Tax Secret

The costs of covering our debt with an antiquated and complex tax code are staggering.

FORBES: The Path To Job Creation Runs Through Regulatory Reform