大约有 42,000 项符合查询结果(耗时:0.0678秒) [XML]

https://stackoverflow.com/ques... 

Why is whitespace sometimes needed around metacharacters?

A few months ago I tattooed a fork bomb on my arm, and I skipped the whitespaces, because I think it looks nicer without them. But to my dismay, sometimes (not always) when I run it in a shell it doesn't start a fork bomb, but it just gives a syntax error. ...
https://stackoverflow.com/ques... 

What is the difference between . (dot) and $ (dollar sign)?

What is the difference between the dot (.) and the dollar sign ($) ? 13 Answers 13 ...
https://stackoverflow.com/ques... 

force client disconnect from server with socket.io and nodejs

Is there any way to disconnect a client with SocketIO, and literally close the connection? So if someone is connected to my server, and I want to close the connection between them and my server, how would I go about doing that? ...
https://stackoverflow.com/ques... 

Import package.* vs import package.SpecificType [duplicate]

... primary reason for this is I just like to keep things straightward, clean and with as little ambiguity as possible, and I think with a .* import you lose that. share | improve this answer ...
https://stackoverflow.com/ques... 

What are differences between PECL and PEAR?

...ee that GD library is for images. But I can't see differences between PECL and PEAR. Both have authentication. What are the main differences between two? Why don't they combine them? ...
https://stackoverflow.com/ques... 

How to take screenshot of a div with JavaScript?

...ilding something called the "HTML Quiz". It's completely ran on JavaScript and it's pretty cool. 10 Answers ...
https://stackoverflow.com/ques... 

How do I revert a Git repository to a previous commit?

...out 0d1d7fc32 Or if you want to make commits while you're there, go ahead and make a new branch while you're at it: git checkout -b old-state 0d1d7fc32 To go back to where you were, just check out the branch you were on again. (If you've made changes, as always when switching branches, you'll have...
https://stackoverflow.com/ques... 

What do

...m, what? Maybe there's documentation somewhere, but search engines don't handle "names" like " 4 Answers ...
https://stackoverflow.com/ques... 

Why are only final variables accessible in anonymous class?

...update the variable in a way which is seen by the main body of the method, and vice versa.) As the value has been copied into the instance of the anonymous inner class, it would look odd if the variable could be modified by the rest of the method - you could have code which appeared to be working w...
https://stackoverflow.com/ques... 

What is the difference between and ? [duplicate]

...ble piece of code I use the directive <%@include file="reuse.html"%> and in the second I use the tag <jsp:include page="reuse.html" />. Let the code in the reusable file be : <html> <head> <title>reusable</title> <meta http-equiv="Content-Type" conten...