Even the smallest change can bring a program or Web site to it's knees, so constant testing and improvement is important to any bit of software.

即便是微小的改动都有可能让程序或者网站挂掉，所以，对于每一个程序而言，不断的测试和改进都是非常重要的。

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Thus, for a typical program invocation with N options, the code needs only O(N) [N*O(1)] comparisons—an order of magnitude improvement over the legacy code.

因此，对于具有 N 个选项的典型程序调用，代码只需执行 O(N) [N*O(1)] 比较 — 这是对遗留代码的巨大改进。

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And there's growing evidence that online therapy really works: in the new sleep study, 81% of participants who completed a five-week, online program for insomnia reported improvement in sleep.

愈来愈多的证据显示，在线治疗真正有效：在《睡眠》新近展开的研究中，完成了为期五周的网络失眠治疗项目的参与者中，81%都称自己睡眠得到了改善。

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From 1977 to 1995, Mr. Itta worked for the North Slope Borough, ultimately serving in a number of leadership positions including Chief Administrative Officer, Public Works Director, Planning Director, and Director of Capital Improvement Program Management.

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For the third quarter of 2011, only JPMorgan Chase, NA was found to be in need of substantial improvement under the program.

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However, Klotz says it's possible to see results in individual schools by comparing the reading improvement of kids who participate in the program with kids who don't.

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