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C# Set collection?
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If you're using .NET 3.5, you can use HashSet<T>. It's true that .NET doesn't cater for sets as well as Java does though.
The Wintellect PowerCollections may help too.
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Email address validation using ASP.NET MVC data type attributes
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If you are using .NET Framework 4.5, the solution is to use EmailAddressAttribute which resides inside System.ComponentModel.DataAnnotations.
Your code should look similar to this:
[Display(Name = "Email address")]
[Required(ErrorMessage = "...
How to detect my browser version and operating system using JavaScript?
...if ((verOffset=nAgt.indexOf("MSIE"))!=-1) {
browserName = "Microsoft Internet Explorer";
fullVersion = nAgt.substring(verOffset+5);
}
// In Chrome, the true version is after "Chrome"
else if ((verOffset=nAgt.indexOf("Chrome"))!=-1) {
browserName = "Chrome";
fullVersion = nAgt.substring(verOffse...
What, why or when it is better to choose cshtml vs aspx?
...er-mapping to load the MVC engine. The .aspx extension simply loads the aspnet_isapi.dll that performs the compile and serves up web forms. The difference in the handler mapping is simply a method of allowing the two to co-exist on the same server allowing both MVC applications and WebForms applicat...
Make Https call using HttpClient
... default. To overcome this problem add the following in your code.
System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;
Modifying your example code, it would be
HttpClient httpClient = new HttpClient();
//specif...
How do I programmatically get the GUID of an application in .net2.0
I need to access the assembly of my project in C# .NET2.0.
7 Answers
7
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How do I serialize a C# anonymous type to a JSON string?
...rs to be getting used in many new Microsoft frameworks, including MVC. aspnet.codeplex.com/SourceControl/changeset/view/21528#266491
– Nick Berardi
Mar 29 '09 at 1:13
1
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C# Ignore certificate errors?
... certificates plus some certain certificates it could be done like this.
.Net core:
using (var httpClientHandler = new HttpClientHandler())
{
httpClientHandler.ServerCertificateCustomValidationCallback = (message, cert, chain, sslPolicyErrors) => {
if (sslPolicyErrors == SslPolicyEr...
Prevent multiple instances of a given app in .NET?
In .NET, what's the best way to prevent multiple instances of an app from running at the same time? And if there's no "best" technique, what are some of the caveats to consider with each solution?
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Func delegate with no return type
All of the Func delegates return a value. What are the .NET delegates that can be used with methods that return void?
7 Ans...