MongoDB java driver的基本CRUD示例代码
分类：
数据库 时间：
2014-07-24 14:40:26
阅读次数：
375
未格式化打印>db.games.find()
{"_id":ObjectId("53d077372826c5d3aae7ad6a"),"game":"pinball","user":"joe","score":5050}格式化打印>db.games.find().pretty()
{
"_id":ObjectId("53d077372826c5d3aae7ad6a"),
"game":"pinball",
"user":"joe",
"score":5050
}
>修..
分类：
数据库 时间：
2014-07-24 12:28:55
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296
Problem Description
In the year 8888, the Earth is ruled by the PPF Empire . As the population growing , PPF needs to find more land for the newborns . Finally , PPF decides to attack Kscinow w...
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其他好文 时间：
2014-07-24 12:25:06
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219
my code：#include #include #includeusing namespace std;int find(int num,int A []){while(num!=A[num])//{ num = A[num];return num;}//bool follow(int a...
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其他好文 时间：
2014-07-24 12:16:25
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175
Given a string containing just the characters'('and')', find the length of the longest valid (well-formed) parentheses substring.For"(()", the longest...
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其他好文 时间：
2014-07-24 12:11:55
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253
Say you have an array for which the ith element is the price of a given stock on day i.
Design an algorithm to find the maximum profit. You may complete as many transactions as you like (ie, buy on...
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编程语言 时间：
2014-07-24 10:25:36
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227
题目：A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null.Return a deep c....
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编程语言 时间：
2014-07-24 10:00:33
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310
Eclipse 出现Some sites could not be found. See the error log for more detail.错误 解决方法Some sites could not be found. See the error log for more detail.这话的...
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系统相关 时间：
2014-07-24 09:58:13
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465
解析xml内容 灵活应用 如果用xx是xml串 ，数据类型则为string 如果获取字符串的长度 用xx.length如果xml有空的可，解析xml分开可以避免为空时报错 如： var retobj = $(xx).find("SinAssocationRes"); 然后 if(reto...
分类：
Web程序 时间：
2014-07-24 05:07:38
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276
Given an unsorted array of integers, find the length of the longest consecutive elements sequence.For example, Given [100, 4, 200, 1, 3, 2], The lo...
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其他好文 时间：
2014-07-24 00:49:07
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200
