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
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。
Discover how in less than 120 days you can absorb 10,000 words or more through a tremendously effective yet simple to follow tips that you didn’t learn at the school. The techniques suggested in this article will further helping you to fix the vocabulary that you have learnt into your brain for much longer.
As the language learner, you might find learning language other than your mother tongue is a painstaking task to do. You start wondering how to absorb the language that you learnt immediately as you always want to speak like a native speaker. However, no matter how hard you try, or worse still, no matter how much time and effort you have put in learning English, you could hardly grasp those essential words. Now, start asking yourself whether you are fed up of learning English. Are you frustrated watching English words you spent so much time learning simply disappear from your brain? I know you will feel horrible and bad, aren’t you?
Now, I want you to consider how different things are if you could absorb large quantity of English words like a sponge which may actually retain in your brain for much longer. Just think for a minute how your life changes if you could actually remember all those words rather than forgetting them as what you have been doing lately.
Well, learning English and even other foreign languages require certain skills and technique. With the appropriate methods, you could learn English with ease and in less time than you previously thought possible.
Here, I will guide you with tips to assist you mastering the language effectively. The nightmare of not being able to acquire 10,000 English words that you have struggled to learn can quickly fix into your mind in a series of tips that you can begin to put into action in less than 120 days. But, bear in mind that you should follow these tips constantly and correctly. By following them closely, you will discover that how easily to acquire large amounts of words of your language choice rather than forgetting them as most of you likely have been doing. 继续阅读