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Can you call Directory.GetFiles() with multiple filters?
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For .NET 4.0 and later,
var files = Directory.EnumerateFiles("C:\\path", "*.*", SearchOption.AllDirectories)
.Where(s => s.EndsWith(".mp3") || s.EndsWith(".jpg"));
For earlier versions of .NET,
var files = Dire...
How to set session timeout in web.config
...tion on how to set session timeout value for in-process session for an ASP.Net web application.
5 Answers
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Understanding garbage collection in .NET
...roots, and some are not. When objects C, E, F, I, and J were created, the .Net framework detects that these objects have Finalize methods and pointers to these objects are added to the finalization queue.
When a GC occurs(1st Collection), objects B, E, G, H, I, and J are determined to be garbage. ...
Why doesn't C# support the return of references?
I have read that .NET supports return of references, but C# doesn't. Is there a special reason? Why I can't do something like:
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RegEx to exclude a specific string constant [duplicate]
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In .NET you can use grouping to your advantage like this:
http://regexhero.net/tester/?id=65b32601-2326-4ece-912b-6dcefd883f31
You'll notice that:
(ABC)|(.)
Will grab everything except ABC in the 2nd group. Parenthesis surr...
How to add reference to System.Web.Optimization for MVC-3-converted-to-4 app
...lable, read the release notes: https://www.nuget.org/packages/Microsoft.AspNet.Web.Optimization
The Microsoft.Web.Optimization package is now obsolete. With ASP.NET (MVC) 4 and higher you should install the Microsoft ASP.NET Web Optimization Framework:
Install the package from nuget:
Install-P...
The 'Access-Control-Allow-Origin' header contains multiple values
...'m using AngularJS $http on the client side to access an endpoint of a ASP.NET Web API application on the server side. As the client is hosted on a different domain as the server, I need CORS. It works for $http.post(url, data). But as soon as I authenticate the user and make a request via $http.get...
How to create a new object instance from a Type
...reateinstance.aspx
or (new path)
https://docs.microsoft.com/en-us/dotnet/api/system.activator.createinstance
Here are some simple examples:
ObjectType instance = (ObjectType)Activator.CreateInstance(objectType);
ObjectType instance = (ObjectType)Activator.CreateInstance("MyAssembly","MyNam...
How can I get a web site's favicon?
.../favicons which will do all of the heavy lifting:
var client = new System.Net.WebClient();
client.DownloadFile(
@"http://www.google.com/s2/favicons?domain=stackoverflow.com",
"stackoverflow.com.ico");
share
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C# catch a stack overflow exception
...om the MSDN page on StackOverflowExceptions:
In prior versions of the .NET
Framework, your application could
catch a StackOverflowException object
(for example, to recover from
unbounded recursion). However, that
practice is currently discouraged
because significant additional code i...