typeof:typeof是一个一元运算符,放在一个运算数之前。"boolean"---如果这个值是布尔值。"string"---如果这个值是字符串。"number"---如果这个值是数值。"undefined"---如果这个值未定义。"object"---如果这个值是对象(包括Number,Str...
                            
                            
                                分类:
其他好文   时间:
2014-05-06 00:55:25   
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698
                             
                         
                    
                        
                            
                            
                                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...
                            
                            
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其他好文   时间:
2014-05-05 23:55:36   
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407
                             
                         
                    
                        
                            
                            
                                1、系统预定义异常no_data_foundcase_not_foundcursor_already_openinvalid_number--no_data_found异常set 
serveroutput on;--&NO表示从控制台输入参数DECLARE v_ename varchar2(30)....
                            
                            
                                分类:
数据库   时间:
2014-05-05 23:45:21   
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427
                             
                         
                    
                        
                            
                            
                                Number是数字值对应的引用类型var numberObject=new 
Number(10);Number也重写了valueof()、toLocaleString()、和toString()方法,valueOf()方法返回对象表示的基本类型数值,另外两个方法则返回字符串形式的数值,除了继承的为t...
                            
                            
                                分类:
编程语言   时间:
2014-05-05 23:11:37   
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377
                             
                         
                    
                        
                            
                            
                                Minimum Inversion Number Time Limit:1000MS Memory 
Limit:32768KB 64bit IO Format:%I64d & %I64u Description The inversion number 
of a given number seque...
                            
                            
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其他好文   时间:
2014-05-04 12:27:07   
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349
                             
                         
                    
                        
                            
                            
                                Input
t – the number of numbers in list, then t lines follow [t 
Each line contains one integer: N [0 N 
Output
Output given numbers in non decreasing order.
Example
Input:
5
5
3
...
                            
                            
                                分类:
其他好文   时间:
2014-05-04 00:04:09   
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376
                             
                         
                    
                        
                            
                            
                                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...
                            
                            
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其他好文   时间:
2014-05-03 21:48:19   
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252
                             
                         
                    
                        
                            
                            
                                折腾了一个中午,在终端输入  vim myProgram 
然后编辑以下内容
 #!/bin/bash
clear
echo ""
echo "The Telephone Book"
echo ""
echo "1.Display A Telephone Number"
ehco "2.Add A New Telephone Number"
echo ""
echo "Q Quit"
ec...
                            
                            
                                分类:
系统相关   时间:
2014-05-03 21:26:33   
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483
                             
                         
                    
                        
                            
                            
                                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 ...
                            
                            
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其他好文   时间:
2014-05-03 17:32:22   
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284
                             
                         
                    
                        
                            
                            
                                【题目】
Problem C
CALCULATOR CONUNDRUM
Alice got a hold of an old calculator that can display n digits. She was bored enough to come up with the following time waster.
She enters a number k t...
                            
                            
                                分类:
其他好文   时间:
2014-05-03 15:37:03   
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308