deb https://mirrors.ustc.edu.cn/ubuntu/ bionic main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu karmic main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu karmic-security main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu karmic-updates main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu karmic-backports main restricted universe multiverse
deb http://tw.archive.ubuntu.com/ubuntu karmic-proposed main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu karmic main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu karmic-security main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu karmic-updates main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu karmic-backports main restricted universe multiverse
deb-src http://tw.archive.ubuntu.com/ubuntu karmic-proposed main restricted universe multiverse
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ karmic main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ karmic main restricted universe multiverse
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ karmic-updates main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ karmic-updates main restricted universe multiverse
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ karmic-backports main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ karmic-backports main restricted universe multiverse
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ karmic-security main restricted universe multiverse
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ karmic-security main restricted universe multiverse
deb http://ubuntu.csie.ntu.edu.tw/ubuntu/ karmic-proposed main multiverse restricted universe
deb-src http://ubuntu.csie.ntu.edu.tw/ubuntu/ karmic-proposed main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ karmic main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ karmic-security main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ karmic-updates main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ karmic-proposed main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ karmic-backports main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ karmic main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ karmic-security main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ karmic-updates main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ karmic-proposed main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ karmic-backports main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ karmic main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ karmic-security main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ karmic-updates main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ karmic-proposed main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ karmic-backports main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ karmic main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ karmic-security main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ karmic-updates main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ karmic-proposed main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ karmic-backports main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ karmic main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ karmic-security main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ karmic-updates main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ karmic-proposed main restricted universe multiverse
deb http://ubuntu.srt.cn/ubuntu/ karmic-backports main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ karmic main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ karmic-security main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ karmic-updates main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ karmic-proposed main restricted universe multiverse
deb-src http://ubuntu.srt.cn/ubuntu/ karmic-backports main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu/ubuntu-cn karmic main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ karmic main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ karmic-security main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ karmic-updates main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ karmic-proposed main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ karmic-backports main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ karmic main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ karmic-security main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ karmic-updates main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ karmic-proposed main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ karmic-backports main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu karmic main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu karmic-security main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu karmic-updates main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu karmic-backports main restricted universe multiverse
deb http://cn.archive.ubuntu.com/ubuntu karmic-proposed main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu karmic main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu karmic-security main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu karmic-updates main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu karmic-backports main restricted universe multiverse
deb-src http://cn.archive.ubuntu.com/ubuntu karmic-proposed main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu karmic main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu karmic-security main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu karmic-updates main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu karmic-backports main restricted universe multiverse
deb http://mirror.lupaworld.com/ubuntu karmic-proposed main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu karmic main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu karmic-security main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu karmic-updates main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu karmic-backports main restricted universe multiverse
deb-src http://mirror.lupaworld.com/ubuntu karmic-proposed main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ lucid main universe restricted multiverse
deb-src http://mirrors.163.com/ubuntu/ lucid main universe restricted multiverse
deb http://mirrors.163.com/ubuntu/ lucid-security universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ lucid-security universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ lucid-updates universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ lucid-proposed universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ lucid-proposed universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ lucid-backports universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ lucid-backports universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ lucid-updates universe main multiverse restricted
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Venenatis cras sed felis eget velit aliquet sagittis id. Sed tempus urna et pharetra. Donec ultrices tincidunt arcu non sodales neque sodales ut etiam. Parturient montes nascetur ridiculus mus mauris vitae ultricies leo integer. Id consectetur purus ut faucibus pulvinar elementum integer enim. Purus non enim praesent elementum facilisis leo vel fringilla. Quis hendrerit dolor magna eget est lorem ipsum dolor sit. Fusce id velit ut tortor pretium viverra. Orci nulla pellentesque dignissim enim sit amet venenatis. Volutpat odio facilisis mauris sit amet massa vitae tortor condimentum. Sed arcu non odio euismod. Interdum varius sit amet mattis. Venenatis a condimentum vitae sapien pellentesque habitant morbi tristique senectus. Urna cursus eget nunc scelerisque viverra mauris in. Congue nisi vitae suscipit tellus mauris. Et sollicitudin ac orci phasellus egestas tellus rutrum tellus.
Lectus vestibulum mattis ullamcorper velit sed ullamcorper. Elit at imperdiet dui accumsan sit amet nulla. Feugiat in ante metus dictum. Dis parturient montes nascetur ridiculus mus. Nunc mattis enim ut tellus elementum sagittis vitae et leo. Ultricies mi eget mauris pharetra. Felis eget velit aliquet sagittis id consectetur purus. Turpis egestas integer eget aliquet nibh praesent tristique magna sit. Feugiat nisl pretium fusce id velit ut tortor pretium. Tristique risus nec feugiat in fermentum posuere urna nec tincidunt. Non arcu risus quis varius quam quisque. Libero volutpat sed cras ornare. Posuere lorem ipsum dolor sit. Dolor purus non enim praesent elementum facilisis leo. Mauris a diam maecenas sed enim ut.
Elementum pulvinar etiam non quam lacus suspendisse faucibus interdum. Et netus et malesuada fames. Dui id ornare arcu odio ut sem nulla. Proin libero nunc consequat interdum varius sit. Quam nulla porttitor massa id neque aliquam vestibulum morbi. Ut tristique et egestas quis ipsum suspendisse. A arcu cursus vitae congue mauris. Ut porttitor leo a diam sollicitudin tempor. Tortor dignissim convallis aenean et tortor at. Ac feugiat sed lectus vestibulum mattis ullamcorper velit sed ullamcorper. Habitasse platea dictumst quisque sagittis purus sit.
Semper viverra nam libero justo laoreet sit amet cursus sit. Vel orci porta non pulvinar neque. Maecenas sed enim ut sem viverra aliquet eget sit. Netus et malesuada fames ac turpis egestas integer eget aliquet. Sit amet mattis vulputate enim nulla aliquet porttitor lacus luctus. A cras semper auctor neque vitae tempus quam pellentesque. Ultrices vitae auctor eu augue ut lectus arcu. Id velit ut tortor pretium viverra suspendisse potenti nullam ac. Et malesuada fames ac turpis egestas integer eget aliquet nibh. Egestas fringilla phasellus faucibus scelerisque eleifend donec. At tellus at urna condimentum mattis pellentesque id nibh tortor. Dolor magna eget est lorem ipsum dolor sit. Eget mi proin sed libero enim. Aliquam ultrices sagittis orci a scelerisque purus semper eget duis. Tellus rutrum tellus pellentesque eu tincidunt tortor aliquam.
Felis eget velit aliquet sagittis id consectetur purus ut. Vitae proin sagittis nisl rhoncus mattis rhoncus urna neque. Non quam lacus suspendisse faucibus interdum. Elit scelerisque mauris pellentesque pulvinar. Habitasse platea dictumst vestibulum rhoncus est pellentesque. Eu ultrices vitae auctor eu. Viverra suspendisse potenti nullam ac tortor vitae purus. Nulla pellentesque dignissim enim sit amet venenatis urna cursus eget. Lectus sit amet est placerat in egestas erat imperdiet sed. Gravida neque convallis a cras semper auctor neque vitae. Morbi non arcu risus quis varius quam quisque id diam. Quam quisque id diam vel quam elementum pulvinar. Ullamcorper eget nulla facilisi etiam dignissim diam quis enim. Vel elit scelerisque mauris pellentesque pulvinar pellentesque habitant. Vitae congue eu consequat ac felis donec et odio. In nulla posuere sollicitudin aliquam ultrices sagittis orci a. Ligula ullamcorper malesuada proin libero nunc. Maecenas pharetra convallis posuere morbi leo urna. Ut consequat semper viverra nam libero. Sit amet cursus sit amet dictum sit.
乱数假文，英文又称“Lorem ipsum”，是指一篇常用于排版设计领域的文章，主要的目的为测试文章或文字在不同字型、版型下看起来的效果，通常网站还没建设好时会出现这段文字。
乱数假文生成器用来生成一篇用于排版设计领域的随机文章，支持生成英文、简体中文、繁体中文的乱数假文。
乱数假文相关介绍
Lorem ipsum从西元15世纪开始就被广泛地使用在西方的印刷、设计领域中，在电脑排版盛行之后，这段被传统印刷产业使用几百年的无意义文字又再度流行。由于这段文字以“Lorem ipsum”起头，并且常被用于标题的测试中，所以一般称为Lorem ipsum，简称为Lipsum。
网站没有建设完时，也会出现这样的段落，甚至有些是故意的，包括使用网页制作软件，网页模板等，新建时一般都会出现Lorem ipsum段落
常见的Lorem ipsum起头如下：
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
原先大家以为这段拉丁文只是没有意义的组合，目的是让阅读者不要被文章内容所影响，而只专注于观察字型或版型，并借此填满空间。但根据美国拉丁学者Richard McClintock的研究，Lorem ipsum原来起源于西塞罗的《善恶之尽》（De finibus bonorum et malorum）：
Neque porro quisquam est qui dolorem ipsum quia dolor sit amet, consectetur, adipisci velit…
（中译：无人爱苦，亦无人寻之欲之，乃因其苦…）
为了减少Lorem ipsum的可读性，并且让字母出现的频率与现代英语接近，所以有些版本中部分字母被K、W、Z等拉丁文中没有的字母替换，或是加入zzril、takimata等字。除了原始的Lorem ipsum版本外，还有几套新的Lorem ipsum。
我试过重新启动apache，缓存的页面仍然出现，所以一定有一个文件夹在某个地方。我没有“公共(public)/缓存”，那么我还应该查看哪些其他地方？是否有一个URL标志也可以触发此效果？ 最佳答案 您需要触摸一个文件才能清除phusion，例如:touch/webapps/mycook/tmp/restart.txt参见docs 关于ruby-如何在Ubuntu中清除RubyPhusionPassenger的缓存？，我们在StackOverflow上找到一个类似的问题：
我正在使用RubyonRails3.0.9，我想生成一个传递一些自定义参数的link_toURL。也就是说，有一个articles_path(www.my_web_site_name.com/articles)我想生成如下内容:link_to'Samplelinktitle',...#HereIshouldimplementthecode#=>'http://www.my_web_site_name.com/articles?param1=value1¶m2=value2&...我如何编写link_to语句“alàRubyonRailsWay”以实现该目的？如果我想通过传递一些
之前在培训新生的时候，windows环境下配置opencv环境一直教的都是网上主流的vsstudio配置属性表，但是这个似乎对新生来说难度略高(虽然个人觉得完全是他们自己的问题)，加之暑假之后对cmake实在是爱不释手，且这样配置确实十分简单(其实都不需要配置)，故斗胆妄言vscode下配置CV之法。其实极为简单，图比较多所以很长。如果你看此文还配不好，你应该思考一下是不是自己的问题。闲话少说，直接开始。0.CMkae简介有的人到大二了都不知道cmake是什么，我不说是谁。CMake是一个开源免费并且跨平台的构建工具，可以用简单的语句来描述所有平台的编译过程。它能够根据当前所在平台输出对应的m
Ⅰ软件测试基础一、软件测试基础理论1、软件测试的必要性所有的产品或者服务上线都需要测试2、测试的发展过程3、什么是软件测试找bug，发现缺陷4、测试的定义使用人工或自动的手段来运行或者测试某个系统的过程。目的在于检测它是否满足规定的需求。弄清预期结果和实际结果的差别。5、测试的目的以最小的人力、物力和时间找出软件中潜在的错误和缺陷6、测试的原则28原则：20%的主要功能要重点测（eg：支付宝的支付功能，其他功能都是次要的）80%的错误存在于20%的代码中7、测试标准8、测试的基本要求功能测试性能测试安全性测试兼容性测试易用性测试外观界面测试可靠性测试二、质量模型衡量一个优秀软件的维度①功能性功
在VMware16.2.4安装Ubuntu一、安装VMware1.打开VMwareWorkstationPro官网，点击即可进入。2.进入后向下滑动找到Workstation16ProforWindows，点击立即下载。3.下载完成，文件大小615MB，如下图：4.鼠标右击，以管理员身份运行。5.点击下一步6.勾选条款，点击下一步7.先勾选，再点击下一步8.去掉勾选，点击下一步9.点击下一步10.点击安装11.点击许可证12.在百度上搜索VM16许可证，复制填入，然后点击输入即可，亲测有效。13.点击完成14.重启系统，点击是15.双击VMwareWorkstationPro图标，进入虚拟机主
需求：要创建虚拟机，就需要给他提供一个虚拟的磁盘，我们就在/opt目录下创建一个10G大小的raw格式的虚拟磁盘CentOS-7-x86_64.raw命令格式：qemu-imgcreate-f磁盘格式磁盘名称磁盘大小qemu-imgcreate-f磁盘格式-o?1.创建磁盘qemu-imgcreate-fraw/opt/CentOS-7-x86_64.raw10G执行效果#ls/opt/CentOS-7-x86_64.raw2.安装虚拟机使用virt-install命令，基于我们提供的系统镜像和虚拟磁盘来创建一个虚拟机，另外在创建虚拟机之前，提前打开vnc客户端，在创建虚拟机的时候，通过vnc
我想找到在某些文本中找到一些(让它是两个)句子的好方法。什么会更好-使用正则表达式或拆分方法？你的想法？应JeremyStein的要求-有一些例子示例:输入:ThefirstthingtodoistocreatetheCommentmodel.We’llcreatethisinthenormalway,butwithonesmalldifference.IfwewerejustcreatingcommentsforanArticlewe’dhaveanintegerfieldcalledarticle_idinthemodeltostoretheforeignkey,butinthis
我正在运行Ubuntu11.10并像这样安装Ruby1.9:$sudoapt-getinstallruby1.9rubygems一切都运行良好，但ri似乎有空文档。ri告诉我文档是空的，我必须安装它们。我执行此操作是因为我读到它会有所帮助:$rdoc--all--ri现在，当我尝试打开任何文档时:$riArrayNothingknownaboutArray我搜索的其他所有内容都是一样的。 最佳答案 这个呢？apt-getinstallri1.8编辑或者试试这个:(非rvm)geminstallrdocrdoc-datardoc-da
我试图在Ubuntu14.04中使用Curl安装RVM。我运行了以下命令:\curl-sSLhttps://get.rvm.io|bash-sstable出现如下错误:curl:(7)Failedtoconnecttoget.rvm.ioport80:Networkisunreachable非常感谢解决此问题的任何帮助。谢谢 最佳答案 在执行curl之前尝试这个:echoipv4>>~/.curlrc 关于ruby-在Ubuntu14.04中使用Curl安装RVM时出错，我们在Stack
我正在使用ruby1.8.7。p=lambda{return10;}deflab(block)puts'before'putsblock.callputs'after'endlabp以上代码输出为before10after我将相同的代码重构到这里deflab(&block)puts'before'putsblock.callputs'after'endlab{return10;}现在我收到LocalJumpError:意外返回。对我来说，这两个代码都在做同样的事情。是的，在第一种情况下我传递了一个过程，在第二种情况下我传递了一个block。但是&block将该block转换为pro