Fix the 3 silent performance killers for IIS / ASP.NET apps

http://mvolo.com/fix-the-3-high-cpu-performance-problems-for-iis-aspnet-apps/

In Visual Studio, how to make post build event only happening in DEBUG mode?

Add a condition like:
if $(ConfigurationName) == Debug "$(TargetDir)i18n.PostBuild.exe" "$(ProjectDir)"

Formula.js

JavaScript implementation of most formula functions supported by Microsoft Excel 2013 and Google Spreadsheets

http://stoic.com/formula/

Realtime Map by SignalR

http://techbrij.com/realtime-google-maps-bing-xml-signalr-file-changes

How to do server side validation for ASP.NET MVC Model?

Implement IValidatableObject interface inside model :

public System.Collections.Generic.IEnumerable Validate(ValidationContext validationContext)
 {
            if(true)
            {
                yield return new ValidationResult("error message", new string[] { "Validated Object Name" });                
            }
 }

http://msdn.microsoft.com/en-us/library/system.componentmodel.dataannotations.ivalidatableobject.validate.aspx