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Difference between ref and out parameters in .NET [duplicate]
What is the difference between ref and out parameters in .NET? What are the situations where one can be more useful than the other? What would be a code snippet where one can be used and another can't?
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Cannot set some HTTP headers when using System.Net.WebRequest
...eel it's important to point out that this restriction is a feature of the .NET Framework" -- I'd rather do not have this kind of feature.
– Herberth Amaral
Mar 12 '15 at 15:14
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Multiple file-extensions searchPattern for System.IO.Directory.GetFiles
...().EndsWith("ascx"))
.ToList();
Edit 2014-07-23
You can do this in .NET 4.5 for a faster enumeration:
var filteredFiles = Directory
.EnumerateFiles(path) //<--- .NET 4.5
.Where(file => file.ToLower().EndsWith("aspx") || file.ToLower().EndsWith("ascx"))
.ToList();
Director...
C# Java HashMap equivalent
...t value = myDictionary[key]
null keys
Java's HashMap allows null keys
.NET's Dictionary throws an ArgumentNullException if you try to add a null key
Adding a duplicate key
Java's HashMap will replace the existing value with the new one.
.NET's Dictionary will replace the existing value with t...
How can I add an ampersand for a value in a ASP.net/C# app config file value
...com%2fquestions%2f376135%2fhow-can-i-add-an-ampersand-for-a-value-in-a-asp-net-c-app-config-file-value%23new-answer', 'question_page');
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Where does Console.WriteLine go in ASP.NET?
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If you look at the Console class in .NET Reflector, you'll find that if a process doesn't have an associated console, Console.Out and Console.Error are backed by Stream.Null (wrapped inside a TextWriter), which is a dummy implementation of Stream that basically ...
json.net has key method?
...post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f7216917%2fjson-net-has-key-method%23new-answer', 'question_page');
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NUnit vs. Visual Studio 2008's test projects for unit testing [closed]
... into unit testing. We will be using Visual Studio 2008, C#, and the ASP.NET MVC stuff. I am looking at using either NUnit or the built-in test projects that Visual Studio 2008 has, but I am open to researching other suggestions. Is one system better than the other or perhaps easier to use/under...
How to get ELMAH to work with ASP.NET MVC [HandleError] attribute?
I am trying to use ELMAH to log errors in my ASP.NET MVC application, however when I use the [HandleError] attribute on my controllers ELMAH doesn't log any errors when they occur.
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ASP.NET: This method cannot be called during the application's pre-start initialization stage
I'm trying to get an ASP.NET MVC 3 site running on IIS 6.0.
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