一、小知识点 1、在python里边没有块级作用域。 2、python中以函数作为作用域。 3、python中有作用域链，由内向外找，直到找不到报错。 4、对于python作用域来说，在函数未执行之前，作用域和作用域
原创
2016-09-05 21:46:20
594阅读
1 More features isn’t better, it’s worse 更多的特性并不一定好，反而更糟糕 Feature overload is becoming a real issue. The last thing a customer wants is confusion-and what’s
转载
精选
2008-12-23 14:35:00
414阅读
1评论
C4.5, k-Means, SVM, Apriori, EM, PageRank, AdaBoost, kNN, Naive Bayes, and CART
原创
2014-12-02 09:48:00
372阅读
Below: It's free. Very few things are free, and if they are, there is always some sort of catch. Not with Linux. Linux is completely free. No strings attached. It's stable. If you run any version of ...
转载
2007-12-15 21:40:00
104阅读
2评论
TOP TEN 命令：
history | awk '{CMD[$2]++;count++;} END { for(a in CMD) {print CMD[a] " " CMD[a]/count*100 "% " a}}' | grep -v "./" | column -c3 -s " " -t | sort -
原创
2012-04-05 10:36:59
1403阅读
Ten GoogolTime Limit: 500/200 MS (Java/Others)Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 100Accepted Submission(s): 48Problem Description Google的面试题向来以古怪闻名,延续自技术公司用逻辑题测试求职者的古老传统.现在我们来看看下面这题: 面试官在房间的白板上写下6个数字: 10,9,60,90,70,66 现在的问题是，接下来该出现什么数字？ 想不出来了吧?不要再从数学的角度想了,把这些数字用正常的英...
转载
2013-03-31 22:19:00
124阅读
2评论
http://www.norvig.com/index.html Teach Yourself Programming in Ten Years Peter Norvig Why is everyone in such a rush? Walk into any bookstore...
转载
2011-08-26 20:08:00
153阅读
2评论
Researchers (Bloom
(1985), Bryan & Harter (1899), Hayes
(1989), Simmon & Chase (1973)) have shown it
takes about ten years to develop expertise in any of a wide variety of
areas, includi
转载
2008-04-09 16:54:34
916阅读
建议先: .Net blogs 的副标题是否改一下?我们不要有盗版嫌疑!:))说实话,我不喜欢,我们要有自己的风格!而且设计是否好看一些 Here ,我希望大家都建议建议,发表自己的看法!
正题
Why is everyone in such a rush?
......
Teach Yourself Programming in Ten Years
研究(H
原创
2010-04-20 17:04:10
342阅读
这一几天一直在回顾事务相关的知识，也准备把以前了解皮毛的知识进行一些深入总结，虽然这一些知识并没有用到，但是了解其实现原理还是很有必要的，因为知道了原理，你也能把它实现出来。在上一节事务的编程模型里面，主要说明了三种编程模型，一般情况下，我们都接触的是单一资源的事务，也就是单独对一个数据库进行操作。如果需要跨多个资源保证事务一致性举个例子：在ATM机取钱的时候，需要对用户的账户进行扣款处理，然后
Cyber-safety shouldn’t take a break when heading home for the holidays. Between free time, new toys, and family travel, year-end festivities pose plenty of opportunity for on-line compromise. So sta
原创
2010-01-14 16:20:00
546阅读
Teach Yourself Programming in Ten YearsPeter NorvigWhy is everyone in such a rush? Walk into any bookstore, and you'll see how to Teach Yourself Java in 7 Days alongside endless variations offering to
转载
2011-03-23 13:49:00
84阅读
2评论
使用float和clear可以方面的实现多列，并且div高度不用自己定义，会随着
转载
2009-09-17 19:47:00
157阅读
2评论
Oracle 内存数据库 TimesTen学习之安装&配置
原创
2013-05-23 12:53:43
2425阅读
点赞
1评论
No. 1 - LeBron JamesPreferred Sneaker: Nike LeBron XKey Tech Elements: 360 Zoom Air, Hyperfuse construction, Dynamic FlywireWhy they match his style of play: Engineered to the exact specification
原创
2017-01-04 15:31:23
716阅读
http://www.tpc.org/tpce/results/tpce_perf_results.asp Top Ten TPC-E by PerformanceVersion 1 Results As of 21-Oct-2009 6:42 AM [GMT] Note 1: The TPC believes it is not valid...
原创
2023-05-12 01:17:07
104阅读
No. 1 - LeBron JamesPreferred Sneaker: Nike LeBron XKey Tech Elements: 360 Zoom Air, Hyperfuse construction, Dynamic FlywireWhy they match his style of play: Engineered to the exact specifications of
原创
2017-01-04 09:55:27
491阅读
题解：根据字符个数制表如下：3：1， 2 ，6 ，10 4：0， 4, 5 , 95：3, 7, 8, 40 ,50
原创
2023-07-18 18:39:03
30阅读
Ten Tips for Writing CS Papers, Part 1As a non-native English speaker I can relate to the challenge of writing concise and clear English. Scientific w...
转载
2015-11-30 19:13:00
46阅读
2评论
