favoriteI have nginx+php-fpm web serverSo I've noticed in php5-fpm.log many strange lines:[03-Sep-2013 09:25:23] NOTICE: [pool www] child 23999 exited...
分类:
Web程序 时间:
2014-08-06 22:53:12
阅读次数:
367
case描述: innodb中,父表和子表通过foreign constraint进行关联, 因为在更新数据时需要check 外键constraint,如果父表被大量的子表reference, 那么在open的时候,需要open所有的child table和所有的foreign const...
分类:
数据库 时间:
2014-08-06 18:38:21
阅读次数:
298
child_of此操作符,从代码来看,等价于:[('x','child_of',id)] ==> x.prarent_left >=id.parent_left && x.parent_left categ_id.prarent_left >=id.parent_left && categ_id.....
分类:
其他好文 时间:
2014-08-05 22:07:40
阅读次数:
377
DOM event delegation is a mechanism of responding to ui-events via a single common parent rather than each child, through the magic of event "bubbling" (aka event propagation).
When an event is tri...
分类:
其他好文 时间:
2014-08-05 14:06:30
阅读次数:
259
I want to detect where a MouseEvent has
occurred, in coordinates relative to the clicked element. Why? Because I want to add an absolutely positioned child element
at the clicked location.
I kn...
分类:
Web程序 时间:
2014-08-05 11:09:29
阅读次数:
293
The Child and HomeworkTime Limit: 1000msMemory Limit: 262144KBThis problem will be judged onCodeForces. Original ID:437A64-bit integer IO format:%I64d...
分类:
其他好文 时间:
2014-08-05 10:50:09
阅读次数:
321
CandyThere areNchildren standing in a line. Each child is assigned a rating value.You are giving candies to these children subjected to the following ...
分类:
其他好文 时间:
2014-08-05 02:55:38
阅读次数:
179
HDU 1561The more, The Better题目大意就不说了直接DP[i][j]表示i为跟节点的子树上攻克j个城堡的所能获得的最多宝物的数量DP[fa][j] = MAX{DP[fa][i-k] + DP[child][k]};首先一个问题就是说如果子树u下的任意子节点被选择了,那么u是...
分类:
其他好文 时间:
2014-08-03 15:09:55
阅读次数:
251
见如下代码:CCSprite* child = CCSprite::create("child.png");child->setAnchorPoint(ccp(0.5, 0.5));child->setPosition(ccp(0, 0));parent->addChild(child);//add...
分类:
其他好文 时间:
2014-08-01 15:50:31
阅读次数:
236