大约有 40,000 项符合查询结果（耗时：0.0345秒） [XML]
How to return smart pointers (shared_ptr), by reference or by value?
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How can I get the MAC and the IP address of a connected client in PHP?
...and make a hash of it, for example md5($_SERVER['REMOTE_ADDR'] . $_SERVER['HTTP_USER_AGENT']);. It definently isn't bulletproof but its a start. Another more easier and secure way is setting a cookie with a unique hash. When using that cookie everytime you are sure which user is connecting to your w...
Script parameters in Bash
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Explain which gitignore rule is ignoring my file
...ignored have been mistakenly added to the index.
See commit 8231fa6 from https://github.com/flashydave:
check-ignore currently shows how .gitignore rules would treat untracked paths. Tracked paths do not generate useful output.
This prevents debugging of why a path became tracked unexpectedl...
Getting the PublicKeyToken of .Net assemblies
...it has spaces.
You can add this as an external tool in VS, as shown here:
http://blogs.msdn.com/b/miah/archive/2008/02/19/visual-studio-tip-get-public-key-token-for-a-stong-named-assembly.aspx
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How to model type-safe enum types?
...
http://www.scala-lang.org/docu/files/api/scala/Enumeration.html
Example use
object Main extends App {
object WeekDay extends Enumeration {
type WeekDay = Value
val Mon, Tue, Wed, Thu, Fri, Sat, Sun = Valu...
How to get JS variable to retain value after page refresh? [duplicate]
...e (like object literals, arrays, etc.).
References:
Browser Storage - https://developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Storage
localStorage - https://developer.mozilla.org/en-US/docs/DOM/Storage#localStorage
JSON - https://developer.mozilla.org/en-US/docs/JSON
Browser Storage compatib...
What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields
...a disabled form, while read-only can still be highlighted (and copied).
http://www.w3schools.com/tags/att_input_disabled.asp
http://www.w3schools.com/tags/att_input_readonly.asp
A read-only field cannot be modified. However, a user can tab to it, highlight it, and copy the text from it.
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Difference between abstract class and interface in Python
... isn't really abstract.
Python >= 2.6:
Abstract base classes do exist (http://docs.python.org/library/abc.html). And allow you to specify methods that must be implemented in subclasses. I don't much like the syntax, but the feature is there. Most of the time it's probably better to use duck typi...
Is there a CSS not equals selector?
...implemented in the IE9 Platform Preview, however.
input:not(.reset) { }
http://www.w3.org/TR/css3-selectors/#negation
In the meantime, you'll have to stick to the old-fashioned methods.
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