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Error :Request header field Content-Type is not allowed by Access-Control-Allow-Headers
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List of Big-O for PHP functions
...:
isset/array_key_exists is much faster than in_array and array_search
+(union) is a bit faster than array_merge (and looks nicer). But it does work differently so keep that in mind.
shuffle is on the same Big-O tier as array_rand
array_pop/array_push is faster than array_shift/array_unshift due t...
How to add Web API to an existing ASP.NET MVC 4 Web Application project?
I wish to add an ASP.NET Web API to an ASP.NET MVC 4 Web Application project, developed in Visual Studio 2012. Which steps must I perform to add a functioning Web API to the project? I'm aware that I need a controller deriving from ApiController, but that's about all I know.
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How to access session variables from any class in ASP.NET?
...ad on for my original answer...
I always use a wrapper class around the ASP.NET session to simplify access to session variables:
public class MySession
{
// private constructor
private MySession()
{
Property1 = "default value";
}
// Gets the current session.
public...
ASP.NET MVC partial views: input name prefixes
.../davybrion.com/blog/2011/01/prefixing-input-elements-of-partial-views-with-asp-net-mvc/
<% Html.RenderPartial("AnotherViewModelControl", Model.Child, new ViewDataDictionary
{
TemplateInfo = new System.Web.Mvc.TemplateInfo { HtmlFieldPrefix = "Child1" }
})
%>
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JavaScript equivalent to printf/String.Format
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;
});
};
}
"{0} is dead, but {1} is alive! {0} {2}".format("ASP", "ASP.NET")
outputs
ASP is dead, but ASP.NET is alive! ASP {2}
If you prefer not to modify String's prototype:
if (!String.format) {
String.format = function(format) {
var args = Array.prototype.slice.cal...
Missing Javascript “.map” file for Underscore.js when loading ASP.NET web page [duplicate]
I have a web page that is part of a ASP.NET web site running on Azure. It's run fine for quite a while now. Out of the blue, I am suddenly having a problem with the browser trying to download a ".map" for Underscore.js. I did some reading and apparently JQuery creates ".map" files as debugging ai...
Hidden Features of ASP.NET [closed]
...e a file named app_offline.htm
in the root of a web application directory, ASP.NET 2.0+ will shut-down the application and stop normal processing any new incoming requests for that application, showing only the contents of the app_offline.htm file for all new requests.
This is the quickest and easi...
Using Server.MapPath in external C# Classes in ASP.NET
...f certain files in a C# class. Server.MapPath works great of course for ASPX and their code-behind pages, but that doesn't exist in another class file. I tried HostingEnvironment.MapPath() , but that complains that the relative virtual path isn't allowed. Any thoughts?
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Web Application Problems (web.config errors) HTTP 500.19 with IIS7.5 and ASP.NET v2
...configured part of IIS or our Web Server, but every time we try to run out ASP.NET Web Application on IIS 7.5 we get the following error...
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