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Sql Server DateDiff 函数中interval的值
今天在工作中碰到了个问题,统计本周流量时,使用DateDiff函数由于w与week混淆产生统计结果出现错误参数 interval的设定值如下:值缩 写(Sql Server)说明YearYy年 1753 ~ 9999QuarterQq季 1 ~ 4MonthMm或m月1 ~ 12Day of yea...
分类:数据库   时间:2014-08-01 22:58:02    阅读次数:477
LeetCode "Jump Game II"
Greedy, Greedy, Greedy.. It is all about maximum interval update.One trick is, we start looping over each element from the one nearest to end to farth...
分类:其他好文   时间:2014-08-01 13:32:21    阅读次数:283
PHP使用memcache长连接作为RPC客户端需要注意的地方
memcache扩展版本 3.0.8一. retry_interval$retry_interval 某个rpc服务器端失败后故障转移的时间,retry_interval的时间内,该节点会被一直标记为不可用,隔离掉,为小于0的数一直隔离。int mmc_server_valid(mmc_t *mmc...
分类:Web程序   时间:2014-07-31 20:27:37    阅读次数:269
POJ 3190 Stall Reservations(贪心+优先队列优化)
Description Oh those picky N (1 <= N <= 50,000) cows! They are so picky that each one will only be milked over some precise time interval A..B (1 <= A <= B <= 1,000,000), which includes both times ...
分类:其他好文   时间:2014-07-31 09:49:36    阅读次数:211
delphi label1 文字在窗体上水平来回移动
//文字在窗体上水平来回移动procedure TForm1.Timer1Timer(Sender: TObject);{ Timer1.Interval:=10;}beginif label1.Left+label1.Width>0 thenlabel1.Left:=label1.Left-2el...
分类:移动开发   时间:2014-07-29 21:46:52    阅读次数:228
mysql函数总结
1、DATE_ADD(curdate(),interval -30 day)? 表时间加,获得当前日期30天之前的时间。 date_sub(now(),interval 1 day) 表示时间减 2、unix_timestamp() 时间转换 3、cast() 强制转换。例子:select cast(‘11...
分类:数据库   时间:2014-07-29 16:16:49    阅读次数:266
Merge Interval leetcode java
题目:Given a collection of intervals, merge all overlapping intervals.For example,Given [1,3],[2,6],[8,10],[15,18],return [1,6],[8,10],[15,18].题解:这道题主要....
分类:编程语言   时间:2014-07-28 11:35:20    阅读次数:239
Insert Interval leetcode java
题目:Given a set of non-overlapping intervals, insert a new interval into the intervals (merge if necessary).You may assume that the intervals were ini....
分类:编程语言   时间:2014-07-28 11:35:10    阅读次数:293
[leetcode]Insert Interval
Insert IntervalGiven a set ofnon-overlappingintervals, insert a new interval into the intervals (merge if necessary).You may assume that the intervals...
分类:其他好文   时间:2014-07-26 01:35:07    阅读次数:246
【leetcode刷题笔记】Insert Interval
Given a set ofnon-overlappingintervals, insert a new interval into the intervals (merge if necessary).You may assume that the intervals were initially...
分类:其他好文   时间:2014-07-26 00:37:46    阅读次数:237
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