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howtomakeadragdivision-<ahref="http://www.never-online.net"target="_blank"><ahref="http://www.never-online.net"target="_blank">http://www.never-online.net<</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 23:27:10</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2024</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/15938" title="Cloud Foundry中基于Master/Slave机制的Service" target="_blank" onclick="return recordId('',)">Cloud Foundry中基于Master/Slave机制的Service </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/15938" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/13.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/15938';}else{window.open('/article/15938');}" style="cursor: pointer;">CloudFoundry作为业界最出色的PaaS平台之一，给广大的互联网开发者和消费者提供出色的体验。自CloudFoundry开源以来，有关CloudFoundry的研究越来越多，这也很好的支持着CloudFoundry的生态系统。但是作为一个平台，CloudFoundry仍然会存在一些可靠性，扩展性方面的不足，这也吸引着众多的CloudFoundry爱好者对其进行更多更深入的研究。本文主要讲述CloudFoundry中ServiceGateway的运行</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 22:34:52</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2024</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/11951" title="程序员必知8大排序3大查找（一）" target="_blank" onclick="return recordId('',)">程序员必知8大排序3大查找（一） </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/11951" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/16.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/11951';}else{window.open('/article/11951');}" style="cursor: pointer;">第二篇《程序员必知8大排序3大查找（二）》《程序员必知8大排序3大查找（三）》每天都在叫嚣自己会什么技术，什么框架，可否意识到你每天都在被这些新名词、新技术所迷惑，.NET、XML等等技术固然诱人，可是如果自己的基础不扎实，就像是在云里雾里行走一样，只能看到眼前，不能看到更远的地方。这些新鲜的技术掩盖了许多底层的原理，要想真正的学习技术还是走下云端，扎扎实实的把基础知识学好，有了这些基础，要掌握那些新技术也就很容易了。要编写出优秀的代码同样要扎实的基础，如</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 09:30:03</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2024</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/11580" title="QT-everywhere-opensource-src-4.8.0 移植arm飞" target="_blank" onclick="return recordId('',)">QT-everywhere-opensource-src-4.8.0 移植arm飞 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/11580" 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/11580';}else{window.open('/article/11580');}" style="cursor: pointer;">此次记录的是我移植的心酸历程！原帖在http://bbs.witech.com.cn/thread-14486-1-1.html，今将其贴到自己的博客里。我现在在ubuntu11.10上，已经把qt-everywhere-opensource-src-4.8.1.tar编译好了，目录在/usr/local/arm/qt-embeded-arm-4.8.0,在相应的arm6410Ok板子上也建了相应的目录，有两个问题很困惑我：第一：有的教程说只把PC上编译好</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 09:29:50</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2024</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/29374" title="Python数据可视化matplotlib.pyplot" target="_blank" onclick="return recordId('',)">Python数据可视化matplotlib.pyplot </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/29374" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/17.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/29374';}else{window.open('/article/29374');}" style="cursor: pointer;">1.安装matplotlibpipinstallmatplotlib2.绘制简单图形importmatplotlib.pyplotasplt#图形输入值input_values=[1,2,3,4,5]#图形输出值squares=[1,4,9,16,25]#plot根据列表绘制出有意义的图形，linewidth是图形线宽，可省略plt.plot(input_values,squares,linewidth=5)#设置图标标题plt.title("Square</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 17:55:03</span></span> <span class="muted"><i class="fa fa-eye"></i><span class="zj-icon-text">2023</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/29320" title="113 Python程序中的进程操作-进程同步" target="_blank" onclick="return recordId('',)">113 Python程序中的进程操作-进程同步 </a> </h2> </header> <div class="focus"> <a class="zj-del-target" href="/article/29320" target="_blank"><img style="width: 200px; height: 123px;" class="thumb" src="/Public/static/images/article/18.jpg" alt="" title=""></a> </div> <span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/29320';}else{window.open('/article/29320');}" style="cursor: pointer;">目录一、进程同步二、为什么需要进程同步三、Python中实现进程同步四、多进程模拟同时抢票4.1通过锁控制进程资源访问总结尽管并发编程让我们能更加充分的利用IO资源，但是也给我们带来了新的问题：当多个进程使用同一份数据资源的时候，就会引发数据安全或顺序混乱问题。一、进程同步多个进程同时执行，为了相互制约各进程对资源的访问，使得各个进程的执行相互同步。在我的理解里，进程同步也算是进程间通讯（ipc）的一种手段。二、为什么需要进程同步多进程会引发抢占资源的问题</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 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