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JDK 1.5 与 1.6 中的@Override
遇到一个奇怪的问题:最近在维护一个老项目,添加了一点新功能,结果在本地打包上传到生产环境,报java.lang.UnsupportedClassVersionError:? Bad version number in .class file。 ??? 当然一看到这个错误我...
分类:其他好文   时间:2015-01-30 06:48:03    阅读次数:218
Largest Number
Given a list of non negative integers, arrange them such that they form the largest number. For example, given [3, 30, 34, 5, 9], the largest formed number is 9534330. Note: The result may be ve...
分类:其他好文   时间:2015-01-30 01:26:21    阅读次数:165
Number Sequence
Problem DescriptionA number sequence is defined as follows:f(1) = 1, f(2) = 1, f(n) = (A * f(n - 1) + B * f(n - 2)) mod 7.Given A, B, and n, you are t...
分类:其他好文   时间:2015-01-30 01:17:43    阅读次数:385
LeetCode:Plus One
Given a non-negative number represented as an array of digits, plus one to the number. The digits are stored such that the most significant digit is at the head of the list. // https://oj.leetco...
分类:其他好文   时间:2015-01-30 00:10:30    阅读次数:202
python学习:for else语句
1:先看例子 {CSDN:CODE:592849} 看输出结果: 1 2 3 4 all number is positive 2:再看一个变例 {CSDN:CODE:592848} 看输出结果: 1 2 3:结论 当for语句中没有执行break的话,遍历完for语句,就会执行else语句 但是如果中间...
分类:编程语言   时间:2015-01-29 21:09:30    阅读次数:450
two sum
Given an array of integers, find two numbers such that they add up to a specific target number. The function twoSum should return indices of the two numbers such that they add up to the target, whe...
分类:其他好文   时间:2015-01-29 19:32:38    阅读次数:147
SDJZU_新生_字符串匹配(KMP)_A - Number Sequence
A - Number Sequence Crawling in process... Crawling failed Time Limit:5000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Description Given two sequences of numbers : a[1...
分类:其他好文   时间:2015-01-29 17:52:50    阅读次数:240
uva 12097 Pie(二分搜索)
uva 12097 Pie My birthday is coming up and traditionally I'm serving pie. Not just one pie, no, I have a number N of them, of various tastes and of various sizes. F of my friends are coming to my par...
分类:其他好文   时间:2015-01-29 17:50:43    阅读次数:174
oracle 多表查询
oracle 多表查询  1对多    多个数据放到一个字段内 select  id,zhzxm,fzhzxm,ltrim(max(sys_connect_by_path(xm, ',')), ',') xm from ( select id,zhzxm,fzhzxm,xm,row_number() over(partition by id order by lrsj) rn  --标记...
分类:数据库   时间:2015-01-29 17:41:56    阅读次数:144
Hive ROW_NUMBER,RANK(),DENSE_RANK()
准备数据 浙江,杭州,300 浙江,宁波,150 浙江,温州,200 浙江,嘉兴,100 江苏,南京,270 江苏,苏州,299 江苏,某市,200 江苏,某某市,100 创建表 CREATE table pcp (province string,city string,people int) RO...
分类:其他好文   时间:2015-01-29 17:34:36    阅读次数:333
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