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高并发服务端分布式系统设计概要 - C/C++ - 清泛网 - 专注C/C++及内核技术

...图中的Client部分。显然这个模块就是面向Web的接口,后面连接我们的“山推”系统,它可以包含诸多业务逻辑,最重要的,是要缓存group的信息。在Client和Web之间,还可以有诸如Nginx之类的反向代理服务器存在,做进一步性能提...
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source of historical stock data [closed]

...ake a stock market simulator (perhaps eventually growing into a predicting AI), but I'm having trouble finding data to use. I'm looking for a (hopefully free) source of historical stock market data. ...
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In Windows Azure: What are web role, worker role and VM role?

The application I work on contains a web role: it's a simple web application. I needed to host the application in Windows Azure, so I created a web role. I actually want to know what these roles are for. What is their significance coding wise or storage wise? ...
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Disadvantages of Test Driven Development? [closed]

... Several downsides (and I'm not claiming there are no benefits - especially when writing the foundation of a project - it'd save a lot of time at the end): Big time investment. For the simple case you lose about 20% of the actual implementation, but for com...
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Optimal settings for exporting SVGs for the web from Illustrator?

... used so it doesn't inflate your file size. [rest of subsetting]: this is fairly clear, you can choose to include the entire font or subsets of it. It is only useful if your SVG is dynamic and the text might change based on user input. Images: this only matters if you are including bitmap images ...
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What are the applications of binary trees?

...gnatures in which a hash needs to be verified, but the whole file is not available. Heaps - Used in implementing efficient priority-queues, which in turn are used for scheduling processes in many operating systems, Quality-of-Service in routers, and A* (path-finding algorithm used in AI applications...
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What is the difference between RDF and OWL? [closed]

...ormal programming, such as a C struct, isn't fussed about and is closer to AI research & set theory. Triples & URIs Subject - Predicate - Object These describe a single fact. Generally URI's are used for the subject and predicate. The object is either another URI or a literal such as a n...
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Using .NET, how can you find the mime type of a file based on the file signature not the extension

...ited Feb 24 '12 at 18:26 Brian Mains 49.3k3434 gold badges137137 silver badges242242 bronze badges answered Sep 12 '08 at 9:44 ...
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What does 'COLLATE SQL_Latin1_General_CP1_CI_AS' do?

...l 'abc' AS accent sensitive, so 'ü' does not equal 'u' P.S. For more detailed information be sure to read @solomon-rutzky's answer. share | improve this answer | follow ...
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What is the list of supported languages/locales on Android?

... [Arabic (World)] ar_AE [Arabic (United Arab Emirates)] ar_BH [Arabic (Bahrain)] ar_DJ [Arabic (Djibouti)] ar_DZ [Arabic (Algeria)] ar_EG [Arabic (Egypt)] ar_EH [Arabic (Western Sahara)] ar_ER [Arabic (Eritrea)] ar_IL [Arabic (Israel)] ar_IQ [Arabic (Iraq)] ar_JO [Arabic (Jordan)] ar_KM [Arabic (Com...