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...
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其他好文 时间:
2014-05-06 00:55:25
阅读次数:
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
阅读次数:
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)....
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数据库 时间:
2014-05-05 23:45:21
阅读次数:
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...
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编程语言 时间:
2014-05-05 23:11:37
阅读次数:
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
阅读次数:
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
...
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其他好文 时间:
2014-05-04 00:04:09
阅读次数:
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
阅读次数:
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...
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系统相关 时间:
2014-05-03 21:26:33
阅读次数:
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
阅读次数:
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...
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其他好文 时间:
2014-05-03 15:37:03
阅读次数:
308