大约有 42,000 项符合查询结果(耗时:0.0497秒) [XML]

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What is the role of the bias in neural networks? [closed]

I'm aware of the gradient descent and the back-propagation algorithm. What I don't get is: when is using a bias important and how do you use it? ...
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Case objects vs Enumerations in Scala

...es. However, I find in general that enumerations are a bit clumsy in Scala and have the feel of an awkward add-on, so I now tend to use case objects. A case object is more flexible than an enum: sealed trait Currency { def name: String } case object EUR extends Currency { val name = "EUR" } //etc. ...
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How can I catch a “catchable fatal error” on PHP type hinting?

...otes) that is not derived from Exception but Error; it's still a Throwable and can be handled with a normal try-catch block. see https://wiki.php.net/rfc/throwable-interface E.g. <?php class ClassA { public function method_a (ClassB $b) { echo 'method_a: ', get_class($b), PHP_EOL; } } class C...
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Determine if a sequence contains all elements of another sequence using Linq [duplicate]

... answered Nov 9 '11 at 12:54 AndersAnders 62488 silver badges1111 bronze badges ...
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Difference between $(document.body) and $('body')

I am a jQuery beginner and while going through some code examples I found: 6 Answers 6...
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How to install 2 Anacondas (Python 2 and 3) on Mac OS

I'm relatively new in Mac OS. I've just installed XCode (for c++ compiler) and Anaconda with the latest Python 3 (for myself). Now I'm wondering how to install properly second Anaconda (for work) with Python 2? ...
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How to find a table having a specific column in postgresql

...attribute as a on a.attrelid = c.oid where a.attname = <column name> and c.relkind = 'r' sql fiddle demo share | improve this answer | follow | ...
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Lock-free multi-threading is for real threading experts

I was reading through an answer that Jon Skeet gave to a question and in it he mentioned this: 6 Answers ...
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Can I call memcpy() and memmove() with “number of bytes” set to zero?

... From the C99 standard (7.21.1/2): Where an argument declared as size_t n specifies the length of the array for a function, n can have the value zero on a call to that function. Unless explicitly stated otherwise in the description o...
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How do I implement __getattribute__ without an infinite recursion error?

... ..and do I want to always use object? What if I inherit from other classes? – Greg Dec 16 '08 at 16:29 1 ...