大约有 47,000 项符合查询结果(耗时:0.0776秒) [XML]

https://stackoverflow.com/ques... 

Why must a nonlinear activation function be used in a backpropagation neural network? [closed]

I've been reading some things on neural networks and I understand the general principle of a single layer neural network. I understand the need for aditional layers, but why are nonlinear activation functions used? ...
https://stackoverflow.com/ques... 

What is the difference between a.getClass() and A.class in Java?

...oth in different circumstances (just like there are with Class.forName() and ClassLoader.loadClass() . 7 Answers ...
https://stackoverflow.com/ques... 

Are SVG parameters such as 'xmlns' and 'version' needed?

... so you can always drop that. If you embed your SVG inline in a HTML page and serve that page as text/html then xmlns attributes are not required. Embedding SVG inline in HTML documents is a fairly recent innovation that came along as part of HTML5. If however you serve your page as image/svg+xml ...
https://stackoverflow.com/ques... 

Setting default permissions for newly created files and sub-directories under a directory in Linux?

I have a bunch of long-running scripts and applications that are storing output results in a directory shared amongst a few users. I would like a way to make sure that every file and directory created under this shared directory automatically had u=rwxg=rwxo=r permissions. ...
https://stackoverflow.com/ques... 

Post-increment and pre-increment within a 'for' loop produce same output [duplicate]

...ng for loops produce identical results even though one uses post increment and the other pre-increment. 12 Answers ...
https://stackoverflow.com/ques... 

Difference between .tagName and .nodeName

What is the difference between $('this')[0].nodeName and $('this')[0].tagName ? 4 Answers ...
https://stackoverflow.com/ques... 

How do I break out of nested loops in Java?

...don't know exactly what code you tried, but the code in my answer compiles and runs just fine. – Jon Skeet Feb 2 '15 at 10:47 5 ...
https://stackoverflow.com/ques... 

How to get client's IP address using JavaScript?

...gs simpler). Below are all the free active IP lookup services I could find and the information they return. If you know of any more, then please add a comment and I'll update this answer. Cloudflare Try it: https://www.cloudflare.com/cdn-cgi/trace // If your site is on Cloudflare, then you can use ...
https://stackoverflow.com/ques... 

Convert a binary NodeJS Buffer to JavaScript ArrayBuffer

... Instances of Buffer are also instances of Uint8Array in node.js 4.x and higher. Thus, the most efficient solution is to access the buf.buffer property directly, as per https://stackoverflow.com/a/31394257/1375574. The Buffer constructor also takes an ArrayBufferView argument if you need to ...
https://stackoverflow.com/ques... 

CSS Font Border?

... a -webkit prefix. h1 { -webkit-text-stroke: 2px black; /* width and color */ font-family: sans; color: yellow; } <h1>Hello World</h1> Another possible trick would be to use four shadows, one pixel each on all directions, using property text-shadow: h1 { ...