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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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App Inventor 2 字典 vs 列表:同样存数据,性能差了10倍? - App应用开发 ...

... vs 列表:同样存数据,性能差了10倍?</b></font><br><br><br>做 App 开发时,你可能会遇到这样一个场景:要存储一组学生信息,包含姓名、年龄、班级,然后需要快速根据姓名查到对应的班级。用列表也能实现,用字典也能实现...
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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...
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What is the correct answer for cout

...P0145R3 Refining Expression Evaluation Order for Idiomatic C++ for more details. share | improve this answer | follow | ...
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What is the dependency inversion principle and why is it important?

... should depend upon abstractions. Abstractions should never depend upon details. Details should depend upon abstractions. As to why it is important, in short: changes are risky, and by depending on a concept instead of on an implementation, you reduce the need for change at call sites. Effectivel...
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How efficient is locking an unlocked mutex? What is the cost of a mutex?

...ens often, then multiple locks would increase parallelism. At the cost of maintainability, since more locking means more debugging of the locking. How efficient is it to lock a mutex? I.e. how much assembler instructions are there likely and how much time do they take (in the case that the mutex...
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What's the difference between utf8_general_ci and utf8_unicode_ci?

..., utf8 is a flawed UTF-8 implementation from early MySQL versions which remains only for backward compatibility. The fixed version was given the name utf8mb4. Note: Newer versions of MySQL have updated Unicode sorting rules, available under names such as utf8mb4_0900_ai_ci for equivalent rules based...
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Algorithm to compare two images

...the copy may do stuff like rotating, making negative, or adding trivial details (as well as changing the dimension of the image). ...