原生js的event对象有三个键盘事件的值:1) charCode: 被点击键的Unicode值2) 
keyCode: 被点击键的ASCII十进制值3) which: 
字母数字键的charCode或者keyCode,具体可以自己试试Mootools的event被封装后,统一成为code和key:ev...
                            
                            
                                分类:
Web程序   时间:
2014-05-10 02:10:12   
                                阅读次数:
442
                             
                    
                        
                            
                            
                                14. which three are valid declaraction of a float? 
ADFA. float foo=-1; B. float foo=1.0; C. float foo=42e1; D. float foo=2.02f; E. 
float foo=3.03d; F....
                            
                            
                                分类:
其他好文   时间:
2014-05-09 16:37:31   
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323
                             
                    
                        
                            
                            
                                Intressant, dessa tillg?ngliga i spend l?tt 
m?nga olika stilar Remix, till dem som folk uppmuntrar g?vor. Vidare fann att vi 
bilden butik eller eller ...
                            
                            
                                分类:
数据库   时间:
2014-05-09 12:32:24   
                                阅读次数:
617
                             
                    
                        
                            
                            
                                Given a binary tree containing digits from 0-9 
only, each root-to-leaf path could represent a number.An example is the 
root-to-leaf path 1->2->3 which...
                            
                            
                                分类:
其他好文   时间:
2014-05-05 23:55:36   
                                阅读次数:
407
                             
                    
                        
                            
                            
                                Implement next permutation, which rearranges 
numbers into the lexicographically next greater permutation of numbers.If such 
arrangement is not possibl...
                            
                            
                                分类:
其他好文   时间:
2014-05-05 22:19:17   
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312
                             
                    
                        
                            
                            
                                Problem E: WeddingUp to thirty couples will 
attend a wedding feast, at which they will be seated on either side of a long 
table. The bride and groom s...
                            
                            
                                分类:
其他好文   时间:
2014-05-05 22:10:59   
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373
                             
                    
                        
                            
                            
                                题目如下:
``Accordian'' Patience 
You are to simulate the playing of games of ``Accordian'' patience, the rules for which are as follows:
    Deal cards one by one in a row from left to right, no...
                            
                            
                                分类:
其他好文   时间:
2014-05-04 09:08:31   
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329
                             
                    
                        
                            
                            
                                Say you have an array for which theithelement 
is the price of a given stock on dayi.Design an algorithm to find the maximum 
profit. You may complete a...
                            
                            
                                分类:
其他好文   时间:
2014-05-03 23:21:20   
                                阅读次数:
292
                             
                    
                        
                            
                            
                                题目:
Given a string S and a string T, count the number of distinct subsequences of T in S.
A subsequence of a string is a new string which is formed from the original string by deleting some (c...
                            
                            
                                分类:
其他好文   时间:
2014-05-03 21:48:19   
                                阅读次数:
252
                             
                    
                        
                            
                            
                                Let's consider a triangle of numbers in which a number appears in the first line, two numbers appear in the second line, three in the third line, etc. Develop a program which will compute the largest ...
                            
                            
                                分类:
其他好文   时间:
2014-05-03 17:32:22   
                                阅读次数:
284