How to write Singleton pattern in C#?

http://msdn.microsoft.com/en-us/library/ff650316.aspx

using System;

public sealed class Singleton
{
   private static volatile Singleton instance;
   private static object syncRoot = new Object();

   private Singleton() {}

   public static Singleton Instance
   {
      get 
      {
         if (instance == null) 
         {
            lock (syncRoot) 
            {
               if (instance == null) 
                  instance = new Singleton();
            }
         }

         return instance;
      }
   }
}

No more JS frameworks

http://bitworking.org/news/2014/05/zero_framework_manifesto

Determine browswer tab if active by HTML5 Visibility API

http://code.tutsplus.com/articles/html5-page-visibility-api--cms-22021

demo link
http://demo.xpertdeveloper.com/page-visibility-api/demo1.html

Why You Should NOT Implement Layered Architectures

http://blog.jooq.org/2014/09/12/why-you-should-not-implement-layered-architecture/

Optimizing static websites hosted on IIS

http://madskristensen.net/post/optimizing-static-websites-on-iis

 

• Minify HTML
• Set far-future expiration dates on static resources (JS, CSS, images etc.)
• Use cookieless domains for static files
• Use a CDN