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What is “entropy and information gain”?

... (freely available online) book by David Mackay: http://www.inference.phy.cam.ac.uk/mackay/itila/ Those inference methods are really far more general than just text mining and I can't really devise how one would learn how to apply this to NLP without learning some of the general basics contained i...
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Which is faster: Stack allocation or Heap allocation

...single instruction on most architectures, in most cases, e.g. on x86: sub esp, 0x10 (That moves the stack pointer down by 0x10 bytes and thereby "allocates" those bytes for use by a variable.) Of course, the stack's size is very, very finite, as you will quickly find out if you overuse stack all...
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Python assigning multiple variables to same value? list behavior

...ual sense is ok (perhaps with a disclaimer that implementations may vary), esp if the goal is to convey behavior. – Levon Aug 5 '15 at 14:47 ...
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How to compute the similarity between two text documents?

... between them. Any textbook on information retrieval (IR) covers this. See esp. Introduction to Information Retrieval, which is free and available online. Computing Pairwise Similarities TF-IDF (and similar text transformations) are implemented in the Python packages Gensim and scikit-learn. In th...
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Why do people say that Ruby is slow? [closed]

... First of all, slower with respect to what? C? Python? Let's get some numbers at the Computer Language Benchmarks Game: Ruby 1.9 vs. Python3 within the same order of magnitude Ruby 1.9 vs. PHP within the same order of magnitude Ruby 1.9 vs. Java 6 ...
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Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]

...er, and the note on the undocumented steez of Volley (got that impression, esp in comparison to the other projects). Definitely helps me get things off the ground. – Alfie Hanssen Jun 3 '13 at 21:46 ...
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Why does Windows64 use a different calling convention from all other OSes on x86-64?

...ed Feb 25 '16 at 6:00 Peter CordesPeter Cordes 215k3131 gold badges354354 silver badges524524 bronze badges ...
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What is external linkage and internal linkage?

...n for non-const symbols and static (internal) for const symbols. // in namespace or global scope int i; // extern by default const int ci; // static by default extern const int eci; // explicitly extern static int si; // explicitly static // the same goes for functions (but there are no const func...
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Why are private fields private to the type, not the instance?

...technical point of view, there's no reason to choose one way or the other (esp. when considering that Eiffel.NET can do this with IL, even with multiple inheritance, there's no inherent reason not to provide this feature). Of course, it's a matter of taste and as others already mentioned, quite som...
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Why is this inline-block element pushed downward?

...re to grasp the idea of line boxes and how they are lined in the same line esp read last paragraph carefully because there lies the answer of your question. The baseline of an 'inline-block' is the baseline of its last line box in the normal flow, unless it has either no in-flow line boxes or if...