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bnu 34988 Happy Reversal
Happy Reversal Elfness is studying in an operation "NOT". For a binary number A, if we do operation "NOT A", after that, all digits of A will be reversed. (e.g. A=1001101, after operation "NOT A...
分类:移动开发   时间:2014-08-16 21:10:31    阅读次数:321
HDU 3397 Sequence operation 线段树
线段树大杂烩~ 各种操作都有,细心点不难1A#include #include #include #include using namespace std;#define lson rt> 1; int Llen = mid - l + 1, Rlen = r - mid; for (int i =...
分类:其他好文   时间:2014-08-15 17:28:09    阅读次数:247
HDU4952:Number Transformation
Problem Description Teacher Mai has an integer x. He does the following operations k times. In the i-th operation, x becomes the least integer no less than x, which is the multiple of i. He w...
分类:其他好文   时间:2014-08-15 14:41:45    阅读次数:165
MongoDB 非常杂碎的笔记
1: key 里面不能有 . , 然后我比较推荐将它处理为_dot_这样子的自定义符号2:多用bulk操作,语法忘了就查吧,在我的需求当中我需要遍历的一个collection的时候发现某个变量没有为true的时候就处理下那个document里面的link的这个value,在处理完之后把那个变量标示为...
分类:数据库   时间:2014-08-15 14:07:28    阅读次数:238
内存分配与Segmentation fault
为了方便使用,我做了如下结构体的嵌套使用:struct operation{ int num; char name[100]; char owner[100]; char msg[100];};struct collect{ int num; char name[100]; char owner[1...
分类:其他好文   时间:2014-08-15 12:03:28    阅读次数:308
CF#52 C Circular RMQ (线段树区间更新)
Description You are given circular array a0,?a1,?...,?an?-?1. There are two types of operations with it: inc(lf,?rg,?v) — this operation increases each element on the segment [lf,?rg] (inclu...
分类:其他好文   时间:2014-08-15 00:01:56    阅读次数:327
HDU - 4952 Number Transformation
Problem Description Teacher Mai has an integer x. He does the following operations k times. In the i-th operation, x becomes the least integer no less than x, which is the multiple of i. He wan...
分类:其他好文   时间:2014-08-14 20:39:59    阅读次数:256
firefox同步ajax请求报错的问题 A parameter or an operation is not supported by the underlying object
今天在测试系统时,一个很正常的功能在firefox下报错,经过验证在ie和chrome浏览器中功能这个正常。调试后发现: 请求比其他请求的特殊点在于同步请求。经过firefox的控制台上测试发现错误日志:"[Exception... "A parameter or an operation is n...
分类:其他好文   时间:2014-08-14 16:39:49    阅读次数:590
VBoxManage.exe: error: Resize hard disk operation for this format is not implemented yet!
VirtualBox虚拟磁盘空间不够了,默认10G。想扩大,图形界面下没有找到可操作菜单。Google了一下用 Vbox自带的命令工具VBoxManage即可解决。C:\Program Files\Oracle\VirtualBox>VBoxManage modifyhd e:\vbox\Ubunt...
分类:其他好文   时间:2014-08-14 16:11:28    阅读次数:178
实习以来 唯一一次 没有因需求变更 代码被改面目全非的一次(期待各位对代码细节提提建议)
according the source and template to genetate bulk file.(there is four type diff source and template now.) 1 using System; 2 using System.Collec...
分类:其他好文   时间:2014-08-14 13:39:28    阅读次数:258
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