关于Google神牛Jeff Dean的笑话，非程序员勿入（转）

关于Jeff Dean: http://research.google.com/people/jeff/，简单来说，这货是Google牛逼的源泉之一。因为此人实在太牛了，于是出现了关于他有多牛的几个笑话，直接笑翻，和大家共享下。

1. During his own Google interview, Jeff Dean was asked the implications if P=NP were true. He said, “P = 0 or N = 1.” Then, before the interviewer had even finished laughing, Jeff examined Google’s public certificate and wrote the private key on the whiteboard.
   当他被Google面试时，Jeff Dean被问及如果P=NP意味着什么。他说，“P=0 或者 N=1”。然后，在所有的面试官还没笑完之前，Jeff瞄了一眼Google的公共证书然后在白板上写上了对应的私钥。

2. Compilers don’t warn Jeff Dean. Jeff Dean warns compilers.
   编译器从来不给Jeff编译警告，而是Jeff警告编译器

3. The rate at which Jeff Dean produces code jumped by a factor of 40 in late 2000 when he upgraded his keyboard to USB 2.0.
   在2000年后段，Jeff码代码的速度突然激增了40倍，原因是他把自己的键盘升级到了USB 2.0

4. Jeff Dean builds his code before committing it, but only to check for compiler and linker bugs.
   Jeff还是会在提交代码前把它们编译一遍，不过这么做的目的只是为了检查下编译器和链接器有没有bug

5. All pointers point to Jeff Dean.
   所有指针都是指向Jeff的

6. gcc -O4 emails your code to Jeff Dean for a rewrite.
   gcc的-O4优化选项是将你的代码邮件给Jeff重写一下

7. The speed of light in a vacuum used to be about 35 mph. Then Jeff Dean spent a weekend optimizing physics.
   光在真空中的速度曾近是35英里每小时，后来Jeff花了一个周末对物理学进行了小小的优化

8. Jeff Dean was born on December 31, 1969 at 11:48 PM. It took him twelve minutes to implement his first time counter.
   Jeff出生于1969年12月31日的下午11点48分，然后他花了整整12分钟的时间实现了他的第一个计时器。（背景：计算机中的计时器数值通常被设计为从1970年1月1日0点0分0秒到当前为止的秒数）

9. When Jeff Dean sends an ethernet frame there are no collisions because the competing frames retreat back up into the buffer memory on their source nic.
   当Jeff向以太网发送一个数据包时从来不会有冲突，原因是本来要和它有冲突的包都默默撤回了缓冲区

10. Unsatisfied with constant time, Jeff Dean created the world’s first O(1/n)algorithm.
    Jeff对常量的时间复杂度并不满足，于是他创造了世界上第一个O(1/n)的算法。（即随着问题规模的增大，其解决问题所花的时间会越短）

11. Jeff Dean was forced to invent