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从Sloodle看三维虚拟学习环境的发展趋势 - 资讯 - 清泛网 - 专注C/C++及内核技术

...orlds in Play [C].Vancouver, Canada.http://www.digra.org/dl/db/06278.10422.pdf. [6] Kemp, J., & Livingstone, D.(2006).Massively multi-learner: Recent advances in 3D social environments [A].Proceedings of the Second Life Education Workshop [C].San Francisco: 13218. [7] Livingstone, D., & Kemp...
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How to create circle with Bézier curves?

... @legends2k I use LaTeX with TikZ to generate a PDF that I convert to PNG then. – Kpym Jan 6 '16 at 23:00  |  show ...
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Why can't I have “public static const string S = ”stuff"; in my Class?

... From the C# language specification (PDF page 287 - or 300th page of the PDF): Even though constants are considered static members, a constant declaration neither requires nor allows a static modifier. ...
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unsigned int vs. size_t

...9 standard, section 7.17, a draft of which is available on the Internet in pdf format, or in the C11 standard, section 7.19, also available as a pdf draft. share | improve this answer | ...
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How do I put two increment statements in a C++ 'for' loop?

... Ok. From open-std.org/jtc1/sc22/wg21/docs/papers/2009/n2857.pdf section 6.5.3 the last part is an "expression". (Although 1.6 #2 defines an "expression-list" as a "list of expressions separated by commas", this construct does not appear in 6.5.3.). This means that when we write "++i,+...
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Why is the String class declared final in Java?

...aoticjava.com/posts/gc-tips-and-memory-leaks/ http://java.sun.com/j2se/1.5/pdf/jdk50_ts_guide.pdf share | improve this answer | follow | ...
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How to encode the filename parameter of Content-Disposition header in HTTP?

... a comma (,) in the filename, e.g. Content-Disposition: filename="foo, bar.pdf". The result is that firefox downloads the file correctly but keeps the .part extension (e.g foo,bar.pdf-1.part). Then, of course the file won't open correctly because the application is not associated with .part. Other A...
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Paperclip::Errors::MissingRequiredValidatorError with Rails 4

... Paperclip will also throw "Missing Required Validator Error" in case of PDF file upload. The workaround for that is: First install the "GhostScript" and then add "application/pdf" to content-type. – HackerKarma Mar 10 '14 at 15:41 ...
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Finding all cycles in a directed graph

...owing link: http://www.cs.tufts.edu/comp/150GA/homeworks/hw1/Johnson%2075.PDF A java implementation can be found in: http://normalisiert.de/code/java/elementaryCycles.zip A Mathematica demonstration of Johnson's algorithm can be found here, implementation can be downloaded from the right ("Downl...
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Is functional GUI programming possible? [closed]

...he technique and the decisions: conal.net/papers/genuinely-functional-guis.pdf I have been doing purely functional GUI programming in this style for a few months now. I LOVE it, it is such a pleasant relief from the spaghetti hell of imperative UI programming, which seems to be worse in this respe...