大约有 40,000 项符合查询结果（耗时：0.0403秒） [XML]
Null coalescing in powershell
...: "this value returned"
Previous Versions:
No need for the Powershell Community Extensions, you can use the standard Powershell if statements as an expression:
variable = if (condition) { expr1 } else { expr2 }
So to the replacements for your first C# expression of:
var s = myval ?? "new va...
Android: How to put an Enum in a Bundle?
...es not scale to arrays of things that contain enum, etc. See stackoverflow.com/a/5551155/175156
– yincrash
Jun 18 '14 at 19:30
1
...
What should I do if the current ASP.NET session is null?
...hich you will only rarely run into:
If you have disabled the SessionState http module, disabling sessions altogether
If your code runs before the HttpApplication.AcquireRequestState event.
Your code runs in an IHttpHandler, that does not specify either the IRequiresSessionState or IReadOnlySessionS...
Merging objects (associative arrays)
...b: 2, c: 110} // Pseudo JS
(assoc. arrays are objects in js)
look here: http://api.jquery.com/jQuery.extend/
edit: Like rymo suggested, it's better to do it this way:
obj3 = $.extend({}, obj1, obj2);
obj3 == {a: 4, b: 2, c: 110}
As here obj1 (and obj2) remain unchanged.
edit2: In 2018 t...
jQuery click not working for dynamically created items [duplicate]
...
Use the new jQuery on function in 1.7.1 -
http://api.jquery.com/on/
share
|
How do you match only valid roman numerals with a regular expression?
...al letter). Should work in PCRE, Perl, Python and Ruby.
Online Ruby demo: http://rubular.com/r/KLPR1zq3Hj
Online Conversion: http://www.onlineconversion.com/roman_numerals_advanced.htm
share
|
imp...
Xcode changes unmodified storyboard and XIB files
...xxx guys ????!!!)
Please file lots of bugs about all of these problems at http://bugreporter.apple.com/! And don't forget to create entries on OpenRadar.
share
|
improve this answer
|
...
Receiving login prompt using integrated windows authentication
...h your local machine name:
Follow this support article to fix the issue:
https://webconnection.west-wind.com/docs/_4gi0ql5jb.htm (original, now defunct: http://support.microsoft.com/kb/896861)
From the support article, to ensure it doesn't get lost:
The work around is a registry hack that dis...
The following sections have been defined but have not been rendered for the layout page “~/Views/Sha
I'm new to ASP MVC and utilizing the Intro to ASP MVC 4 Beta tutorial http://www.asp.net/mvc/tutorials/mvc-4/getting-started-with-aspnet-mvc4/intro-to-aspnet-mvc-4
...
What is the formal difference in Scala between braces and parentheses, and when should they be used?
...dize the usage of braces and parentheses, see Scala Style Guide (page 21): http://www.codecommit.com/scala-style-guide.pdf
The recommended syntax for higher order methods calls is to always use braces, and to skip the dot:
val filtered = tupleList takeWhile { case (s1, s2) => s1 == s2 }
For "...