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Thinking ahead is a Beautiful Thing | Stay Hungry, Stay Foolish
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Stay Hungry, Stay Foolish. Xuanyi Li's Personal Blog. Thinking ahead is a Beautiful Thing. Lsaquo; End of the world – May 21st? Leave a Reply Cancel reply. You must be logged in. To post a comment. Motor Insurance Quote Online. Review Top Web Hosting. On Google user experience principles. On Google user experience principles.
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End of the world – May 21st? | Stay Hungry, Stay Foolish
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Stay Hungry, Stay Foolish. Xuanyi Li's Personal Blog. End of the world – May 21st? Recently, there are many talks around the prediction by Christians that May 21st 2011 will be the end of the world. This day is called Judgment day – the time when, according to some, the earth will be destroyed because of mankind’s sins and all Christian believers will ascend to heaven. Actually there are lots of failed predictions before:. What are you going to do if the world will be end within 3 days? To post a comment.
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系统分析师-软考 | Stay Hungry, Stay Foolish
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Stay Hungry, Stay Foolish. Xuanyi Li's Personal Blog. Lsaquo; Android Sample Code. Configure GZip Http Compression on IIS 7. Leave a Reply Cancel reply. You must be logged in. To post a comment. Motor Insurance Quote Online. Review Top Web Hosting. On Google user experience principles. On Google user experience principles.
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IIS | Stay Hungry, Stay Foolish
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Stay Hungry, Stay Foolish. Xuanyi Li's Personal Blog. Configure GZip Http Compression on IIS 7. Configuring GZip Http Compression seems to be very easy work on IIS7 but I definitely meet a lot of problems. Finally I make it work and I would like to share my experience here. Hope it will be helpful to solve your problems. 1. Configure in web.config never works. I added following settings on web.config […]. Motor Insurance Quote Online. Review Top Web Hosting. On Google user experience principles.
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IIS7 & ASP.Net Identities (Access denied exception) | Stay Hungry, Stay Foolish
http://xuanyili.com/iis7-asp-net-identities-access-denied-exception
Stay Hungry, Stay Foolish. Xuanyi Li's Personal Blog. IIS7 & ASP.Net Identities (Access denied exception). In ASP.Net, When your code is going to access the network share folders, you might encounter the “access to path xxx is denied”. Exception. There are several reasons. The identity you configured in IIS application pool doesn’t have sufficient permission to access the share folder. You are using Network Service. When accessing the network shares. You can also specify the identity in the web.confi...
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实现自己的HashTable | Stay Hungry, Stay Foolish
http://xuanyili.com/实现自己的hashtable
Stay Hungry, Stay Foolish. Xuanyi Li's Personal Blog. 1 数组的长度 – 应选择不接近2的幂的质数. 2 哈希 散列 函数 – 除法散列法 Division Method ，即g(k) = k % M. 4 ReHash (Occupied 1/2 * Length Occupied. Lsaquo; 澄清P问题、NP问题、NPC问题的概念 转载. Comments are currently closed. Motor Insurance Quote Online. Review Top Web Hosting. On Google user experience principles. On Google user experience principles.
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prediction | Stay Hungry, Stay Foolish
http://xuanyili.com/tag/prediction
Stay Hungry, Stay Foolish. Xuanyi Li's Personal Blog. End of the world – May 21st? Recently, there are many talks around the prediction by Christians that May 21st 2011 will be the end of the world. This day is called Judgment day – the time when, according to some, the earth will be destroyed because of mankind’s sins and all Christian believers will ascend to heaven. Actually there are lots […]. Motor Insurance Quote Online. Review Top Web Hosting. On Google user experience principles.
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动力 | Stay Hungry, Stay Foolish
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Stay Hungry, Stay Foolish. Xuanyi Li's Personal Blog. Lsaquo; IIS7 & ASP.Net Identities (Access denied exception). Strong name signing in multi-developer environment. Leave a Reply Cancel reply. You must be logged in. To post a comment. Motor Insurance Quote Online. Review Top Web Hosting. On Google user experience principles. On Google user experience principles.
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澄清P问题、NP问题、NPC问题的概念（转载） | Stay Hungry, Stay Foolish
http://xuanyili.com/澄清p问题、np问题、npc问题的概念（转载）
Stay Hungry, Stay Foolish. Xuanyi Li's Personal Blog. 你会经常看到网上出现 这怎么做，这不是NP问题吗 、 这个只有搜了，这已经被证明是NP问题了 之类的话。 不管数据有多大，程序处理花的时间始终是那么多的，我们就说这个程序很好，具有O(1)的时间复杂度，也称常数级复杂度 数据规模变得有多大，花的时间也跟着变得有多长，这个程序的时间复杂度就是O(n)，比如找n个数中的最大值 而像冒泡排序、插入排序等，数据扩大2倍，时间变慢4倍的，属于O(n 2)的复杂度。 不会存在O(2*n 2)的复杂度，因为前面的那个 2 是系数，根本不会影响到整个程序的时间增长。 同样地，O(n 3 n 2)的复杂度也就是O(n 3)的复杂度。 因此，我们会说，一个O(0.01*n 3)的程序的效率比O(100*n 2)的效率低，尽管在n很小的时候，前者优于后者，但后者时间随数据规模增长得慢，最终O(n 3)的复杂度将远远超过O(n 2)。 我们也说，O(n 100)的复杂度小于O(1.01 n)的复杂度。 证明过程相当复杂，其大概意思是说任意一个NP问题的输入和输出都可以转换...
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Android | Stay Hungry, Stay Foolish
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Stay Hungry, Stay Foolish. Xuanyi Li's Personal Blog. There is a very useful Android development samples toolkit which comes together with each version of Android APIs. But many beginners actually didn’t know that. It is under /samples/android-/. There are hundreds of samples there which are very useful for beginners to create their first several applications. Motor Insurance Quote Online. Review Top Web Hosting. On Google user experience principles. On Google user experience principles.
