大约有 10,120 项符合查询结果（耗时：0.0367秒） [XML]
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?
...
Renaming the current file in Vim
How should I rename my current file in Vim?
21 Answers
21
...
Define: What is a HashSet?
HashSet
The C# HashSet data structure was introduced in the .NET Framework 3.5. A full list of the implemented members can be found at the HashSet MSDN page.
...
Concept of void pointer in C programming
Is it possible to dereference a void pointer without type-casting in the C programming language?
15 Answers
...
Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
The following code receives seg fault on line 2:
17 Answers
17
...
What reason is there to use null instead of undefined in JavaScript?
I've been writing JavaScript for quite a long time now, and I have never had a reason to use null . It seems that undefined is always preferable and serves the same purpose programmatically. What are some practical reasons to use null instead of undefined ?
...
What do I return if the return type of a method is Void? (Not void!)
Due to the use of Generics in Java I ended up in having to implement a function having Void as return type:
6 Answers
...
How to prevent a click on a '#' link from jumping to top of page?
I'm currently using <a> tags with jQuery to initiate things like click events, etc.
23 Answers
...
How many bytes in a JavaScript string?
I have a javascript string which is about 500K when being sent from the server in UTF-8. How can I tell its size in JavaScript?
...
What are bitwise operators?
I'm someone who writes code just for fun and haven't really delved into it in either an academic or professional setting, so stuff like these bitwise operators really escapes me.
...