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python杀死一个线程的方法

最近在项目中遇到这一需求：我需要一个函数工作，比如远程连接一个端口，远程读取文件等，但是我给的时间有限，比如，4秒钟如果你还没有读取完成或者连接成功，我就不等了，很可能对方已经宕机或者拒绝了。这样可以批量做一些事情而不需要一直等，浪费时间。结合我的需求，我想到这种办法：1、在主进程执行，调用一个进程执行函数，然后主进程sleep，等时间到了，就kill执行函数的进程。测试一个例子：importtimeimportthreadingdefp(i):print

系统 2019-09-27 17:38:46 2187

编程技术

概要设计说明书

1引言...21.1编写目的...21.2背景...21.3定义...21.4参考资料...22总体设计...22.1需求规定...22.2运行环境...22.3基本设计概念和处理流程...32.4结构...32.5功能器求与程序的关系...32.6人工处理过程...32.7尚未问决的问题...33接口设计...33.1用户接口...33.2外部接口...33.3内部接口...44运行设计...44.1运行模块组合...44.2运行控制...44.3运行时

系统 2019-08-29 23:46:58 2187

编程技术

项目文件“ ”已被重命名或已不在解决方案中

昨晚在家里做那个三层架构的新闻发布系统,做得一半了,今天拿到公司里继续做,在DAL层改了些东西,对DAL层重新生成,发现VS弹出一个对话框,说"项目文件“”已被重命名或已不在解决方案中",经上网查证,发现可能是路径问题吧,只需要在把WEB层中把出错的引用移除,再重新添加引用即可.如图:然后再重新生成DAL层即可生成.项目文件“”已被重命名或已不在解决方案中

系统 2019-08-29 23:28:10 2187

编程技术

Active Directory中的访问控制

以下内容摘自笔者编著的《网管员

系统 2019-08-29 23:10:32 2187

编程技术

Head.s分析(4)：关闭CACHE

快乐虾http://blog.csdn.net/lights_joy/lights@hb165.com本文适用于ADIbf561DSPuclinux-2008r1.5-rc3(移植到vdsp5)VisualDSP++5.0(update5)欢迎转载，但请保留作者信息/*Turnofftheicache*/p0.l=LO(IMEM_CONTROL);p0.h=HI(IMEM_CONTROL);R1=[p0];R0=~ENICPLB;R0=R0&R1;#ifA

系统 2019-08-29 23:08:37 2187

编程技术

关于按IE的后退按钮，防止IE访问缓存页面。

按照网上搜索出来的流行方式，不管是服务器代码，还是html的meta标签，通常情况是没问题的，但当使用了代理服务器的时候，按后退按钮后，还是直接显示了缓存的页面，没有重新去服务器执行action(struts).（其他浏览器都没有问题：firefox,safari,google）有高手解释下么？？测试环境，在公司内部测试，通过代理去访问apache服务器（如果直接访问apache，以下的方法是可以的）。最近考虑了另外一种方法：就是利用cookie来做文章，

系统 2019-08-29 23:04:04 2187

编程技术

ext中ComboBox+Ajax+分页联动代码和注释

今天花了1下午时间研究出了ComboBox+Ajax+分页联动效果.ext学习初步见效下面代码直接就能运行,用list模拟了数据库中取数据以下是目录结构以下是代码test1.jsp<%@pagelanguage="java"import="java.util.*"pageEncoding="UTF-8"%></span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span class="muted"><i class="fa fa-clock-o"></i><span class="zj-icon-text">2019-08-29 22:28:19</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2187</span></span>  </p> </article><article class="excerpt"> <header> <a title="编程技术" class="label label-important zj-del-target" href="/category/30">编程技术<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/13511" title="As3 A*寻路算法教程" target="_blank" onclick="return recordId('',)">As3 A*寻路算法教程 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/13511" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/12.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/13511';}else{window.open('/article/13511');}" style="cursor: pointer;">虽然A*（读作A星）算法对初学者来说是比较深奥难懂，但是一旦你找到门路了，它又会变得非常简单。网上有很多解释A*算法的文章，但是大多数是写给那些有一定基础的人看的，而您看到的这一篇呢，是真正写给菜鸟的。本篇文章并不想给这个算法题目作一些权威性论断，而是阐述它的基本原理，并为你理解更多相关资料与讨论打下基础。文章末尾给出了一些比较好的链接，放在“进阶阅读”一节之后。最后，本文不是编程规范，你将可能使这里讲述的东西编写成任何计算机语言。在本文的末尾我还给出了一</span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span class="muted"><i class="fa fa-clock-o"></i><span class="zj-icon-text">2019-08-29 22:04:43</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2187</span></span>  </p> </article><article class="excerpt"> <header> <a title="编程技术" class="label label-important zj-del-target" href="/category/30">编程技术<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/12642" title="Visual WebGui 基于ajax的界面框架" target="_blank" onclick="return recordId('',)">Visual WebGui 基于ajax的界面框架 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/12642" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/10.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/12642';}else{window.open('/article/12642');}" style="cursor: pointer;"><iframealign="top"marginwidth="0"marginheight="0"src="http://www.zealware.com/csdnblog01.html"frameborder="0"width="728"scrolling="no"height="90"></iframe>VisualWebGui是一个基于ajax的界面框架，他是基于.net的，自称是googlegwt的.net对手，功能很全，也很漂亮。可以作为界面设计</span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span class="muted"><i class="fa fa-clock-o"></i><span class="zj-icon-text">2019-08-12 09:30:29</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2187</span></span>  </p> </article><article class="excerpt"> <header> <a title="编程技术" class="label label-important zj-del-target" href="/category/30">编程技术<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/12156" title="二叉树遍历--递归实现" target="_blank" onclick="return recordId('',)">二叉树遍历--递归实现 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/12156" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/2.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/12156';}else{window.open('/article/12156');}" style="cursor: pointer;">递归这东西真是抽象，我看着看着算法，就囫囵吞枣地的写了下，写得囧了···这次先用递归实现先序，中序，后序遍历算法。先大概说下原理：我输入一大串字符，中间#就是代表了空，基本的储存结构就是二叉链表。主要就是二叉树的创建和三种顺序的遍历。二叉树的创建通过从左孩子开始创建不断递归，知道读取了#，开始创建对应的右孩子，继续递归。访问的时候对于三种顺序不过就是对于操作的顺序改变而已。对于下面的程序，按照图里面的二叉树建立方式：输入ABD#G###CE##FH###就</span> <p class="auth-span"> <span class="muted"><i class="fa fa-user"></i><span class="zj-icon-text">系统</span></span> <span class="muted"><i class="fa fa-clock-o"></i><span class="zj-icon-text">2019-08-12 09:30:11</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2187</span></span>  </p> </article><div class="pagination" style="display:;"> <ul><li><a href="/search/scala/1/p/1">首页</a></li> <li class="prev-page"><a href="/search/scala/1/p/2467">上一页</a></li> <li><a href="/search/scala/1/p/2466">2466</a></li><li><a href="/search/scala/1/p/2467">2467</a></li><li class="active"><span>2468</span></li><li><a href="/search/scala/1/p/2469">2469</a></li><li><a href="/search/scala/1/p/2470">2470</a></li> <li class="next-page"><a href="/search/scala/1/p/2469">下一页</a></li> <li><a href="/search/scala/1/p/2924">末页</a></li> <li><span>共 2924页,共29234条</span></li> </ul> </div> </div> </div>   <style type="text/css"> .d_postlist .text { /* height: 30px; */ display: block; /* height: 100%; */ 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