How to pass loop variables in a JavaScript callback

This is a common problem encountered i.e. if you are making ajax calls in a loop and you need access to the loop index in the AJAX callback, people often hit the JavaScript ‘reference’ behavior i.e. copying or assigning one…

ASP.NET MVC – Adding RequireJS/Backbone/Marionette to your solution

Recently, while build a website on Azure, I needed a quick, simple login mechanism. There is an ASP.NET forms based authentication template, so this was pretty straightforward. All you have to do is to create a website based on the…

C++/Cx: Getting around the very limited DateTime object

You know, I have been writing a LOT of C++/Cx recently and I have hit a bunch of issues. This particular one is about the DateTime object in C++/Cx. If you look at the C# version of the DateTime object,…

WinRT in C++/Cx and registering and unregistering event handlers

Having to work in C++/Cx, every day I have new appreciation for C#. Things that I take for granted in C#, well, they are not straightforward C++. Take the example of event handlers. In C#, the usual way of registering…

Getting access to the UI dispatcher from a background thread (Win8/8.1)

I recently struggled quite a bit trying to get access to the UI dispatcher from a background thread. I had a scenario where when I receive a push notification, I had to update the XAML page UI. Obviously, I did…

C# synchronization blocks containing await or how to lock a block with an await

Recently working on a project, I came across a scenario where I needed to lock a block so that only one thread could enter the block at a time. Simple Monitors, I thought. However as soon as I put the…

C#/XAML App suspend: Bug/Feature – OnNavigatedFrom called during app Suspend

Got hit by this bug in suspension manager (C# and XAML) and wanted to share it with you in case you ever hit this scenario. Recently, I have been coding an app with Azure backing and I got hit by…

Facebook SDK for .NET screencast

Early this year, I did a talk about the Facebook SDK for .NET and delivered a screencast for it. Just realized that the screencast has been online for a while:

Understanding Facebook Concepts – Part II

In this video, I explain the tools that you can use to interact with the Facebook programmatically. Graph Explorer and Fiddler are the tools of choice.