最近收到了cdnzz的邮件，说已经将我升级为高级会员，并开通了新的香港和国内节点。
今天抽时间设置了一下cdn，顺便测试一下cdnzz的新节点。设置完成后经测试发现cdnzz不在将流量导到东京的节点，而是导到了贵州联通、香港的节点上，感觉速度不错。
以下配上对贵州节点的测试图：
总的来说，cdnzz的速度还是不错的，现在就是差稳定性没测试了。对于一些个人博客的小站cdnzz还是非常不错的。
好了，软文写完，下面放邀请码~~
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前言
著名语言学家Greg Thomson说的：“外语学习的原理是如此之复杂，以至于没有人能说清楚；但掌握语言的过程又是如此之简单，以至于不需要说清楚。”讨论语言学习的原 理，是件非常复杂的事，在下当然也没把握能描述得很清楚。而且因为外语学习就连学术界都存在很多尖锐的争论，本人也不敢说自己有把握能把争论化解。但还是 决定先从简单入手，做些抛砖引玉的工作吧，探讨一下外语学习的真谛，特别是对大家在外语学习上普遍存在的误解进行分析和澄清，希望能对外语学习者有所帮 助，对外语教学工作着有所启发，就知足了。 继续阅读
解压之后不要先开启迅雷，首先运行“迅雷7设置”，选择“高速通道无限使用”，而后运行迅雷，去下载需要下载的软件。界面显示剩余试用五分钟，实际可以无限使用。
高速通道功能只有在资源本身速度一般，且在迅雷离线服务器中存在该资源，才会发挥最大作用。
软件名称：迅雷7
软件类型：绿色软件（无需安装）/破解版
软件大小：12M(压缩)
Apple has announced on its development center that the iOS 6 will have a fix to the vulnerability that is used by Russian hacker ZonD80 for hacking the in app purchases.
A vulnerability has been discovered in iOS 5.1 and earlier related to validating in-app purchase receipts by connecting to the App Store server directly from an iOS device. An attacker can alter the DNS table to redirect these requests to a server controlled by the attacker. Using a certificate authority controlled by the attacker and installed on the device by the user, the attacker can issue a SSL certificate that fraudulently identifies the attacker’s server as an App Store server. When this fraudulent server is asked to validate an invalid receipt, it responds as if the receipt were valid.
iOS 6 will address this vulnerability. If your app follows the best practices described below then it is not affected by this attack.
If you are not aware of in app purchase crack, it is done by a Russian hacker and has caused millions of dollars loss in terms of in app purchases. Apple has taken every possible steps in order to block sites and videos giving information on in app purchase crack. Despite these steps the hacker has managed to survive his site by changing to different servers and still promising for continuity of the service.
You can visit official page on In-App Purchase Receipt Validation on iOS for more details. Here Apple has also given steps for developers in order to circumvent the in app purchase crack vulnerability.
据国外媒体报道，一位名为“ZonD80”的俄罗斯开发者已经研究出一种可以绕过苹果iOS应用内购物（In-App Pruchasing）系统的方法，让用户们可以免费下载他们想要的任何东西。这种破解方法不需要用户对他们的iOS设备进行“越狱”，而是使用了一种被称作“应用内代理”（in-app proxy）的技术。
这也是应用内购物系统被破解的首个案例，同时它也暴露出iOS应用开发者可能因为这个原因而遭受损失的风险。
但笔者并不建议消费者使用这种技术，不仅因为这是一种不道德的偷窃行为，而且苹果很可能会发现用户的这种行为，因为每一位iOS用户的设备都与用户唯一的苹果ID捆绑在一起。
截至本文发稿，苹果尚未就此发表意见。
文/腾讯科技