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LA Unity3d User meetup 09302014 quicknotes
Skipped: sound engine, GUINative support webGL/html5, chrome will soon discard plugins, IE soon too, firefox already, safari unknownMobile supportHDR,...
分类:其他好文   时间:2014-10-01 14:03:41    阅读次数:216
访问网站时,出现400错误
400 Bad RequestRequest header or cookie too large. Sorry for the inconvenience.Please report this message and include the following information to us....
分类:Web程序   时间:2014-09-30 19:46:19    阅读次数:228
UVA11038- How Many O's?(组合数学)
题目链接题意:求出在a到b之间的数中,有多少个0。思路:组合数学问题。能够枚举每一个位置上的数i,如果i之前的数为left,后面的为right,后面有num位数。当i != 0时,将i置为0,所以组合数为left * 10^num(后面的位数,每一位有10种选择),当i = 0时,当前面取[1, l...
分类:其他好文   时间:2014-09-30 14:45:19    阅读次数:108
Data source rejected establishment of connection, message from server: "Too many connections"
错误描述: 测试一段时间没有任何问题,今天突然用户无法登录,报错如Data source rejected establishment of connection, message from server: "Too many connections" 错误原因: 太多的连接数,登录用户过多,配置的mysql连接数过小,或者某些连接没有关闭,导致连接数过大。...
分类:其他好文   时间:2014-09-30 10:02:02    阅读次数:234
HDU 3191 How Many Paths Are There
How Many Paths Are ThereTime Limit: 1000msMemory Limit: 32768KBThis problem will be judged onHDU. Original ID:319164-bit integer IO format:%I64d Java ...
分类:其他好文   时间:2014-09-30 02:49:21    阅读次数:318
Oracle alter index rebuild 与 ORA-08104 说明
一. 官网说明 在MOS 上的一篇文章讲到了rebuild online 和offline的区别: ?????? Index Rebuild Is Hanging Or Taking Too Long [ID 272762.1] ? Symptoms: ========= ?????? Performance ?issue...
分类:数据库   时间:2014-09-29 21:00:31    阅读次数:375
ZOJ 3557 How Many Sets II lucas 定理
插空法 大组合数取余 #include #include using namespace std; typedef long long LL; //求整数x和y,使得ax+by=d, 且|x|+|y|最小。其中d=gcd(a,b) void gcd(LL a, LL b, LL& d, LL& x, LL& y) { if(!b) { d = a; x = 1; y = ...
分类:其他好文   时间:2014-09-29 19:37:31    阅读次数:218
leetcode-Unique Binary Search Trees
Given n, how many structurally unique BST's (binary search trees) that store values 1...n? For example, Given n = 3, there are a total of 5 unique BST's. 去网上搜n个二叉搜索树的递推公式或者Catalan数,可以由h(n)=C(2n,n)/(n+1)得到h(n)=[2n*(2n-1)*...(n+2)]/[n!]....
分类:其他好文   时间:2014-09-29 17:57:01    阅读次数:171
lighttpd为什么要accept多次呢
在lighttpd网络模型里面我们可以看到以下代码 1 /* accept()s at most 100 connections directly 2 * 3 * we jump out after 100 to give the waiting connections a ch...
分类:其他好文   时间:2014-09-29 12:53:40    阅读次数:160
ERROR: The partition with /var/lib/mysql is too full! failed!
发现:ERROR: The partition with /var/lib/mysql is too full! failed!然后df -h 发现硬盘100% 于是分析到底什么占用了这近两百G的硬盘,结果发现是数据库的备份文件日积月累,占满了这近两百G的硬盘。然后cd /varrm -rf log...
分类:数据库   时间:2014-09-29 02:32:36    阅读次数:302
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