cve-2013-2094是于2013年4月前后发现的linux kernel本地漏洞,该漏洞影响3.8.9之前开启了PERF_EVENT的linux系统。利用该漏洞,通过perf_event_open系统调用,本地用户可以获得系统的最高权限。发生漏洞的是linux kernel中的perf eve...
分类:
其他好文 时间:
2015-04-21 17:49:15
阅读次数:
390
要实现的功能:判断第一个文本框中输入的是不是字符 “a”。最终效果:*当输入的不是a,控件旁会显示错误图标。当输入的是a,则错误图标会消失。首先添加ErrorProvider控件。代码: 1 private void textBox2_Leave(object sender, Eve...
1,表单中,回车导致下一个表单元素聚焦
Js代码 /***
enter to make next object focus
*/
var pressFocusNext=function(event,next22){
if(!event ||event==undefined){
event=window.event;
}
if(eve...
分类:
Web程序 时间:
2015-03-28 11:35:51
阅读次数:
261
Lotto
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 1657 Accepted Submission(s): 811
Problem Description
In a Lotto I have eve...
分类:
其他好文 时间:
2015-03-27 22:25:37
阅读次数:
104
点击打开链接
Romantic Value
Time Limit: 2 Seconds Memory Limit: 65536 KB
Farmer John is a diligent man. He spent a lot of time building roads between his farms. From his point of view, eve...
分类:
其他好文 时间:
2015-03-21 14:04:52
阅读次数:
140
Basic sends and receives on channels are blocking. However, we can use select with a default clause to implement non-blocking sends, receives, and eve...
分类:
其他好文 时间:
2015-03-17 14:11:05
阅读次数:
189
paint触摸轨迹监听,主要是三种而已,ACTION_DOWN,ACTION_MOVE,ACTION_UPpublic boolean onTouchEvent(MotionEvent event){ int action = event.getAction(); float x = eve...
分类:
移动开发 时间:
2015-03-16 12:30:47
阅读次数:
173
题目:Card Game CheaterTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 103 Accepted Submission(s): 74 Problem DescriptionAdam and Eve play a card game...
分类:
其他好文 时间:
2015-03-14 17:04:27
阅读次数:
461
/*以下以IE代替InternetExplorer,以MF/FF代替MozzilaFirefox*///window.eventIE:有window.event对象FF:没有window.event对象。可以通过给函数的参数传递event对象。如onmousemove=doMouseMove(eve...
分类:
Web程序 时间:
2015-03-13 14:21:10
阅读次数:
158
window.event对象差异IE:有window.event对象FF:没有window.event对象。可以通过给函数的参数传递event对象。如onmousemove=doMouseMove(event)获取鼠标当前坐标IE:event.x和event.y。FF:event.pageX和eve...
分类:
编程语言 时间:
2015-03-04 16:34:34
阅读次数:
182