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Testing Facebook apps with special permissions

How to make test-able Facebook apps which require special persmissions
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Social networks are in an expansion and more and more they are becoming part of the applications, especially online applications. Even .NET framework included authentication with social networks built in as an out of the box feature of .NET platform. However as social networks evolve they are changing mostly in the area of security and user data privacy. ...read more

Using Lazy<T> in C#

Scenarios when lazy initialization is suitable for using
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Although Lazy keyword and functionality was introduced in .net framework 4.0, not many people are using. It is not something that was not possible to be done later, but now it is available only oin one line. Basicaly what Lazy keyword enables is to create an instance only when it is invoked for the first time. ...read more

Simple plugin host application approach in C#

Building simple plugin host application in C#
 
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A lot of, especially desktop applications implement plugin approach in order to make application more expendable and allow other vendors to include their specific functionality related to applications with plugins. Usually plugins are available from some sort of repository from which user can select and download them directly to application. I will not go deeper in approach for this in this article...read more

Persistent authentication cookie and autologin

Custom made autologin with persistent authentication cookie
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ASP.NET comes with built in login form both for WebForms or MVC, but sometimes you have to do it in a custom manner where permanent authentication cookie needs to be set from your code following your business logic. First thing you have to do is to set expiration time for authentication cookie in web.config. This is for done first to make sure that your cookie does not expire during your testing. ...read more

Maintaining same session with separate web requests from C# code

Create separate web requests with the same server session
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Recently I started a small project for image optimization which relies on public image optimization services available online. For now it supports Yahoo SmushIt and Compressor.io services, but it will be extended over the time. Project is open-source and hosted at GitHub https://github.com/dejanstojanovic/ImageOptimization. ...read more

Getting social network access token from C# backend

Acquire Facebook or Google+ access token from C# code
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Most popular social networks such is Facebook and Google+ are providing authentication for web applications with fancy javascript pop-ups. However this approach might not work in all browsers and most likely not on every device. For example this approach does not work on iPhone or iPad because browser itself does not allow pop-ups...read more

Honeypot implementation in ASP.NET MVC

Honeypot bot detection implementation in MVC
 
 
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You can find a bunch of articles on internet about HONEYPOT implementation on web pages, but in short it is a replacement for CAPTCHA anti-bot security. In CAPTCHA scenario, user needs to enter hardly recognizable characters in order to prove that he is not a bot trying to submit data. Sometime that is really annoying but it is a way to filter automated posts created from bots. ...read more

Access auto property backing field with reflection

Access property fields of auto property in C#
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Using reflection you can easily access any property, filed, methods, pretty much anything of any type in .NET. Reflection is never the most elegant way to do something, but sometime you just have to do it. In older versions of C#, to declare a simple property in a class you would have to declare a private field which will be exposed by the property outside the class ...read more

Same page language switching in Umbraco

Land on the same page in different language in Umbraco using Relations
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When we build multi-language website, we usually create two root elements which represent different language websites. To switch the language you just need to add a link to other root elements which represent other languages of the website. With this approach, when you switch language you will end up at homepage of the language regardless which page you were viewing. ...read more

JavaScript

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Umbraco CMS

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.NET

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SQL/T-SQL

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