大约有 40,700 项符合查询结果（耗时：0.0445秒） [XML]
Move assignment operator and `if (this != &rhs)`
...perator of a class, you usually need to check if the object being assigned is the invoking object so you don't screw things up:
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Best Practice: Access form elements by HTML id or name attribute?
...standards-compliant and least problematic way to access your input element is via:
document.getElementById("myform").elements["foo"]
using .elements["foo"] instead of just .foo is preferable because the latter might return a property of the form named "foo" rather than a HTML element!
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When is a function too long? [closed]
...'s grabbing data, then doing something with that data, then writing it to disk then I'd split out the grabbing and writing into separate methods so my "main" method just contains the "doing something".
That "doing something" could still be quite a few lines though, so I'm not sure a number of lines...
What is the proper way to re-attach detached objects in Hibernate?
...a hibernate session, although an object of the same identity MAY already exist in the session, which will cause errors.
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Why use softmax as opposed to standard normalization?
In the output layer of a neural network, it is typical to use the softmax function to approximate a probability distribution:
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Why is there “data” and “newtype” in Haskell? [duplicate]
It seems that a newtype definition is just a data definition that obeys some restrictions (e.g., only one constructor), and that due to these restrictions the runtime system can handle newtype s more efficiently. And the handling of pattern matching for undefined values is slightly different.
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Can a program depend on a library during compilation but not runtime?
...to differentiate between the two, but I just don't see the need to make a distinction between compile-time and runtime dependencies .
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Evenly distributing n points on a sphere
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In this example code node[k] is just the kth node. You are generating an array N points and node[k] is the kth (from 0 to N-1). If that is all that is confusing you, hopefully you can use that now.
(in other words, k is an array ...
What exactly is nullptr?
...with many new features. An interesting and confusing one (at least for me) is the new nullptr .
14 Answers
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What XML parser should I use in C++? [closed]
...s or memory). Since the C++ standard library does not have a library for this, what should I use?
6 Answers
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