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Linux学习笔记7——linux中的静态库和动态库

一、静态库的编译静态库的编译过程如下：1、编译成目标文件这里有一个可选项-static，调用格式：gcc-c-static代码文件名.c2、归档成静态库A、归档的工具是ar工具，使用ar-r可以将文件归档成静态库，调用格式：ar-r静态库文件被归档的文件例如：我们这有两个C文件，分别为test1.c和test2.c首先我们将它编译成目标文件：gcc-c-statictest1.cgcc-c-statictest2.c此时会产生两个文件，分别为test1.o

系统 2019-08-12 01:32:50 2834

Linux

Linux学习笔记26——信号量

一信号量的基本概念信号量：它是一个特殊变量，只允许对它进行等待和发送信号这两种操作。假设有一个信号量变量svP(sv)：用于等待,如果sv的值大于零，就给它减去1，如果它的值等于零，就挂起该进程的执行。V(sv)：用于发送信号，如果有其他进程因等待sv而被挂起，就让它恢复运行，如果没有进程因等待sv而被挂起，就给它加1二信号量的相关函数#include//semctl函数的作用是用来直接控制信号量信息intsemctl(intsem_

系统 2019-08-12 01:32:38 2834

编程技术

CXF WebService 开发文档-目录索引

上次介绍了Axis的WebService，现在我们来看看CXF是怎么完成WebService的。Axis1WebService在线博文：http://www.cnblogs.com/hoojo/archive/2010/12/20/1911349.htmlAxis2WebService在线博文：http://www.cnblogs.com/hoojo/archive/2011/03/16/1985160.html百度文库：http://wenku.baid

系统 2019-08-12 01:32:12 2834

各行各业

谷歌浏览器的源码分析(10)

上一次已经分析到输入字符后，就需要把这些关键字去查找历史的连接，或者相关的内容，那么可多米的浏览器又是从那里去找到这些数据呢？现在就来分析这方面相关的内容。它主要通下面的函数来实现：#001voidAutocompleteEdit::UpdatePopup(){冻结输入。#002ScopedFreezefreeze(this,GetTextObjectModel());设置正在输入过程中。#003SetInputInProgress(true);#004如

系统 2019-08-12 01:31:57 2834

编程技术

正则表达式的学习与小结

目前，正则表达式已经在很多软件中得到广泛的应用，包括*nix（Linux,Unix等），HP等操作系统，PHP，C#，Java等开发环境，以及很多的应用软件中，都可以看到正则表达式的影子。正则表达式的使用，可以通过简单的办法来实现强大的功能。为了简单有效而又不失强大，造成了正则表达式代码的难度较大，学习起来也不是很容易，所以需要付出一些努力才行，入门之后参照一定的参考，使用起来还是比较简单有效的。正则表达式可以：1.测试字符串的某个模式，例如可以对一个输入

系统 2019-08-29 23:28:45 2833

编程技术

以一种"廉价"的方式获取页面的标题(downmoon)

有朋友问到：“我需要得到一个webpage的title，因为这个title一般都比较靠前，只要取得html的前面少量内容就可以了。因为要取得很多个页面的title,如果下载整个htmlcode，肯定比较浪费时间。.net好像没有现成的类可以干这件事情(取得部分html)，我应该如何去实现？”一种比较"廉价"(即较小成本条件下)的解决思路：第一步：取出含有页面title部分的最小集合。这是“廉价”的关键！第二步：用正则表达式取出和</title</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 22:21:16</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2833</span></span>  </p> </article><article class="excerpt"> <header> <a title="Java" class="label label-important zj-del-target" href="/category/41">Java<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/14200" title="深入理解java异常处理机制" target="_blank" onclick="return recordId('',)">深入理解java异常处理机制 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/14200" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/9.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/14200';}else{window.open('/article/14200');}" style="cursor: pointer;">1.引子try…catch…finally恐怕是大家再熟悉不过的语句了，而且感觉用起来也是很简单，逻辑上似乎也是很容易理解。不过，我亲自体验的“教训”告诉我，这个东西可不是想象中的那么简单、听话。不信？那你看看下面的代码，“猜猜”它执行后的结果会是什么？不要往后看答案、也不许执行代码看真正答案哦。如果你的答案是正确，那么这篇文章你就不用浪费时间看啦。<spanstyle="background-color:rgb(255,255,255);">packag</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 22:13:03</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2833</span></span>  </p> </article><article class="excerpt"> <header> <a title="各行各业" class="label label-important zj-del-target" href="/category/38">各行各业<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/9909" title="first time to use github" target="_blank" onclick="return recordId('',)">first time to use github </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/9909" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/5.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/9909';}else{window.open('/article/9909');}" style="cursor: pointer;">firsttimetousegithubandfeelinggood.学习软件工程，老师要求我们用这个软件管理自己的代码，网站是全英的，软件也简单易用，方便https://github.com/supipka/test.githttps://github.com/supipka/test1/blob/master/README.mdhttps://github.com/supipka/test1firsttimetousegithub</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 09:27:09</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2833</span></span>  </p> </article><article class="excerpt"> <header> <a title="各行各业" class="label label-important zj-del-target" href="/category/38">各行各业<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/288" title="Mono介绍" target="_blank" onclick="return recordId('',)">Mono介绍 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/288" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/6.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/288';}else{window.open('/article/288');}" style="cursor: pointer;">转载自：最近可能要用到Mono了，找了点资料，分享下Mono是一个由Novell公司（先前是Ximian）主持的项目。该项目的目标是创建一系列符合ECMA标准（Ecma-334和Ecma-335）的.NET工具，包括C#编译器和共通語言執行平臺。与微软的.NETFramework不同，Mono项目不仅可以运行于Windows系统上，还可以运行于Linux，FreeBSD，Unix，MacOSX和Solaris。Mono现由Novell持有双重许可，这和Qt</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 01:31:57</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2833</span></span>  </p> </article><article class="excerpt"> <header> <a title="Python" class="label label-important zj-del-target" href="/category/44">Python<i class="label-arrow"></i></a> <h2> <a class="zj-titles zj-del-target" href="/article/31138" title="【python】详解使用configparser进行文件配置" target="_blank" onclick="return recordId('',)">【python】详解使用configparser进行文件配置 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/31138" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/15.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/31138';}else{window.open('/article/31138');}" style="cursor: pointer;">将代码中的配置项抽取到配置文件中，修改配置时不需要涉及到代码修改，这样就提高了代码的重用性，不再每次都去修改代码内部，极大的方便后期软件的维护。configparser解析的配置文件的格式为ini的配置文件格式（xxx.ini），就是文件中由多个section构成，每个section下又有多个配置项：;配置文件#定义section0[section0]key0=value0key1=value1[section1]key2=value2key3=value</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">2019-09-27 17:57:37</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2832</span></span>  </p> </article><div class="pagination" style="display:;"> <ul><li><a href="/search/css/1/p/1">首页</a></li> <li class="prev-page"><a 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