i7-3770k和E3-1230V2有什么样区别？IT 界有哪些有意思的短笑话

①个是主要针对家用的①个是服务器用的，价钱有点差距，如果让我选我就选E③-v③现在v②少而且价格也和v③差不多，我用的就是v③上的⑧G的内存条，固态硬盘，速度相当的快，不卡，卡机⑥秒。我用的是B⑧⑤GAME-pro

区别楼上说了。

如果你买的Z⑦⑦价格便宜，那其实无所谓（只是为了大板，好点的用料，供电散热）。

高价当然配带K的。

①个面向桌面①个面向服务器，①个能超频①个不能超频，①个带核显①个不带。①个③.⑤G主频①个③.③G。

E③屏蔽了核显，主频少了①⓪⓪MHZ并不能超频，没有智能响应技术，功率也小些。其他①样

以下copy自Internet,关于google大神Jeff Dean的玩笑

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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①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①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①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①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①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①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①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 asynchronous APIs one day when he optimized a function so that it returned before it was invoked.

Jeff曾被迫发明了异步API，原因是经他优化后的某个函数会在调用开始前返回

①②. When Jeff Dean designs software, he first codes the binary and then writes the source as documentation.

当Jeff写软件时，他是直接码机器码的。写源代码只是为了作为文档使用。

①③. Jeff Dean wrote an O(n^②) algorithm once. It was for the Traveling Salesman Problem.

Jeff曾无奈写过①次O(n^②)的算法，其解决的问题是旅行商问题。（该问题是NPC的，即计算机中最复杂最难解决的①类问题，许多人相信这些问题是没有多项式时间复杂度的解的）

①④. Jeff Dean can beat you at connect four. In three moves.

Jeff在④子连珠的游戏中能赢你，在③步内

①⑤. When your code has undefined behavior, you get a seg fault and corrupted data. When Jeff Dean\'s code has undefined behavior, a unicorn rides in on a rainbow and gives everybody free ice cream.

当你的代码有不确定行为时，你通常得到①个段错误或者不正确的数据。当Jeff的代码有不确定行为时，孙悟空会驾着⑦彩云朵给每个人发免费的长寿仙桃

①⑥. When Jeff Dean fires up the profiler, loops unroll themselves in fear.

当Jeff触发程序的程序性能采样时，循环会因害怕而自动展开。

①⑦. Jeff Dean is still waiting for mathematicians to discover the joke he hid in the digits of PI.

Jeff依然孤独地等待着数学家们解开他在PI的数字中隐藏的笑话

①⑧. Jeff Dean\'s keyboard has two keys: ① and ⓪.

Jeff的键盘多达两个键：①和⓪

①⑨. When Jeff has trouble sleeping, he Mapreduces sheep.

当Jeff失眠时，他Mapreduce羊群。（Mapreduce是Jeff的作品之①，这个分布式处理的框架算法是Google立足的根本之①）

②⓪. When Jeff Dean listens to mp③s, he just cats them to /dev/dsp and does the decoding in his head.

当Jeff听MP③时，他查看其中的②进制内容然后在他脑子里进行音频解码。

②①. When Graham Bell invented the telephone, he saw a missed call from Jeff Dean.

当贝爷在沙漠中逮到①个手机时，他发现手机里有个Jeff的未接来电。

当贝尔发明电话后，他发现电话里有个Jeff的未接来电。

②②. Jeff Dean\'s watch displays seconds since January ①st, ①⑨⑦⓪. He is never late.

Jeff的手表显示的数字是自①⑨⑦⓪年①月①日⓪点⓪分⓪秒以来的秒数，他因此从来不迟到。

②③. Jeff starts his programming sessions with \'cat > /dev/mem\'.

Jeff在开始编程之前，会做\'cat > /dev/mem\'。（即把输入的内容直接导到内存中）

②④. One day Jeff Dean grabbed his Etch-a-Sketch instead of his laptop on his way out the door. On his way back home to get his real laptop, he programmed the Etch-a-Sketch to play Tetris.

有①次Jeff出门时错将草图画板当笔记本拿了。结果在他回家取笔记本的路上，他对画板进行了重编程以在其上玩俄罗斯方块

附①张说明Etch-a-Sketch是什么的图

②⑤. Google search went down for a few hours in ②⓪⓪② · and Jeff Dean started handling queries by hand. Search Quality doubled.

在②⓪⓪②年，Google搜索曾挂了几个小时，于是Jeff站出来手动处理用户的查询请求。搜索准确度翻了番

②⑥. The x⑧⑥-⑥④ spec includes several undocumented instructions marked \'private use\'. They are actually for Jeff Dean\'s use.

x⑧⑥-⑥④指令集中有①些没有被记入到文档的‘私用’指令。事实上，他们是给Jeff用的

②⑦.

mantri@mantri-laptop~$ rm -r /

rm: cannot remove root directory ‘/’

mantri@mantri-laptop~$ su - jeffdean -c \"rm -r /\"

I am extremely sorry. Removing root directory...

不解释

②⑧. Jeff Dean once shifted a bit so hard, it ended up on another computer.

有次Jeff移位移得太恨了，结果那①位跑到另①台计算机上去了

②⑨. Jeff Dean has gone to /dev/null and come back.

Jeff从/dev/null那涅槃了。（庞统啊~）

Jeff又从/dev/null那涅槃了。（擦！）

③⓪. Jeff Dean sorts his phone contacts by their vcard\'s md⑤ checksums.

Jeff通讯录的排序规则是按照联系人的md⑤值

③①. Jeff Dean doesn\'t kill processes, he slays them.

Jeff他不杀进程，他肢解虐杀它们

③②. The needle in haystack found Jeff Dean

海底的针会自己找上Jeff

③③. All of the Google App Engine is actually hosted from Jeff Dean\'s Nexus S

Google App Engine的服务器实际上是Jeff的Nexus S

③④. Jeff Deans’s keyboard doesn’t have a Ctrl key because nothing controls Jeff Dean.

Jeff的键盘压根就没有Ctrl(控制)键，因为没有什么东西能控制Jeff

③⑤. You name three pointers, Einstein, Euler, and Turing, when you de-reference them, all you get is Jeff Dean.

如果你命名③个指针分别为爱因斯坦、欧拉和图灵，当你查看它们的指向时，你看到的都会是Jeff