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Dominic Burford - Professional Profile



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I am a professional software engineer and technical architect with over twenty years commercial development experience with a strong focus on the design and development of web and mobile applications.

I have experience of architecting scalable, distributed, high volume web applications that are accessible from multiple devices due to their responsive web design, including architecting enterprise service-oriented solutions. I have also developed enterprise mobile applications using Xamarin and Telerik Platform.

I have extensive experience using .NET, ASP.NET, Windows and Web Services, WCF, SQL Server, LINQ and other Microsoft technologies. I am also familiar with HTML, Bootstrap, Javascript (inc. JQuery and Node.js), CSS, XML, JSON, Apache Cordova, KendoUI and many other web and mobile related technologies.

I am enthusiastic about Continuous Integration, Continuous Delivery and Application Life-cycle Management having configured such environments using CruiseControl.NET, TeamCity and Team Foundation Services. I enjoy working in Agile and Test Driven Development (TDD) environments.

Outside of work I have two beautiful daughters. I am also an avid cyclist who enjoys reading, listening to music and travelling.

 

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GeneralMore Software Interview Skills 101 Pin
Dominic Burford25-May-17 6:03
professionalDominic Burford25-May-17 6:03 
GeneralSoftware Interview Skills 101 Pin
Dominic Burford12-May-17 5:44
professionalDominic Burford12-May-17 5:44 
GeneralBeat the Thrashing Pin
Dominic Burford5-May-17 6:03
professionalDominic Burford5-May-17 6:03 
GeneralWorking with Azure Blob Storage Pin
Dominic Burford27-Apr-17 2:29
professionalDominic Burford27-Apr-17 2:29 
GeneralWrestling with Apple Pin
Dominic Burford20-Apr-17 3:37
professionalDominic Burford20-Apr-17 3:37 
GeneralTwo unit tests, zero integration tests Pin
Dominic Burford10-Apr-17 22:39
professionalDominic Burford10-Apr-17 22:39 
GeneralThe Mediocre Mindset Pin
Dominic Burford29-Mar-17 1:10
professionalDominic Burford29-Mar-17 1:10 
GeneralHow much code coverage is enough? Pin
Dominic Burford21-Mar-17 5:14
professionalDominic Burford21-Mar-17 5:14 
This is something I have seen come up in conversations a few times in online forums and discussions. How much code coverage is enough? There isn't a simple, straight-forward answer to this question though.

Ideally you would be aiming for 100% code coverage, such that every line of code in the code-base is exercised by at least one unit test. But line coverage is not the only code coverage measurement.

I recently ran into an issue where a particular function was failing. I was surprised as the function was covered by several unit tests, and so I would have thought that any problems with the function would have been picked up by one or more of the unit tests. After some investigation I soon discovered that the problem was the result of the function being invoked with arguments that were causing it to fail. Whilst the arguments were perfectly valid, they were in a format that the function wasn't expecting.

Simply put, the output from the first function was the input to the second function. And whilst both functions were unit tested independently and both gave positive results, what was missing was a unit test where the first function invoked the second function. This unit test would have quickly highlighted the issue earlier.

After finding the issue, it was quickly fixed and subsequent unit tests have now been written to test for this particular scenario. So it's always important to be aware of how data flows through your application. It is not sufficient to unit test all the functions in isolation, when in reality there exists a network of inter-connected functions all invoking each other in different ways.

So by all means, unit test your data layer and ensure that it gives the correct output from the specified input. But you also need to be sure that your data layer gives the correct results when invoked from your business layer, and that your business layer gives the correct results when invoked from the user-interface layer.

Measuring your code coverage by line coverage is a blunt instrument. Knowing how those functions are invoked, and testing those scenarios is equally important. Basically, you need end-to-end coverage. Test your data layer is giving the correct results by invoking the user-interface layer, and tracing the execution path all the way through the application.

It's not the quantity of your unit tests that is important, but the quality of those unit tests.
"There are two ways of constructing a software design: One way is to make it so simple that there are obviously no deficiencies, and the other way is to make it so complicated that there are no obvious deficiencies. The first method is far more difficult." - C.A.R. Hoare

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GeneralThe Mythical Full Stack Developer Pin
Dominic Burford14-Mar-17 3:18
professionalDominic Burford14-Mar-17 3:18 
GeneralCreating your own private NuGet server Pin
Dominic Burford2-Mar-17 0:36
professionalDominic Burford2-Mar-17 0:36 
GeneralConsuming a dependency using NuGet Pin
Dominic Burford28-Feb-17 6:05
professionalDominic Burford28-Feb-17 6:05 
GeneralCoding Standards Pin
Dominic Burford24-Feb-17 6:02
professionalDominic Burford24-Feb-17 6:02 
GeneralSoftware Architecture Challenges Pin
Dominic Burford17-Feb-17 1:31
professionalDominic Burford17-Feb-17 1:31 
GeneralGetting the Most Out of Your Unit Tests Pin
Dominic Burford9-Feb-17 9:21
professionalDominic Burford9-Feb-17 9:21 
GeneralBuilding a strong development team Pin
Dominic Burford8-Feb-17 6:31
professionalDominic Burford8-Feb-17 6:31 
GeneralLast pieces of the mobile app in the Web API puzzle Pin
Dominic Burford27-Jan-17 5:03
professionalDominic Burford27-Jan-17 5:03 
GeneralSerializing .NET types that contain DateTime Pin
Dominic Burford22-Jan-17 18:53
professionalDominic Burford22-Jan-17 18:53 
GeneralClearing the Dead Letter Queue on an Azure Service Bus Queue Pin
Dominic Burford16-Jan-17 8:57
professionalDominic Burford16-Jan-17 8:57 
GeneralMigrating ASP.NET Web API services to the Azure platform Pin
Dominic Burford10-Jan-17 2:45
professionalDominic Burford10-Jan-17 2:45 
GeneralProcessing Azure Service Bus messages using an Azure Function Pin
Dominic Burford4-Jan-17 9:10
professionalDominic Burford4-Jan-17 9:10 
GeneralThe Structure of an Azure Service Bus message Pin
Dominic Burford30-Dec-16 3:11
professionalDominic Burford30-Dec-16 3:11 
GeneralMy Introduction into Service Bus Architecture Pin
Dominic Burford21-Dec-16 6:40
professionalDominic Burford21-Dec-16 6:40 
GeneralAdding resilience to your services by implementng a retry pattern Pin
Dominic Burford19-Dec-16 1:10
professionalDominic Burford19-Dec-16 1:10 
GeneralAuthenticating Web API services with JSON Web Token Pin
Dominic Burford13-Dec-16 2:26
professionalDominic Burford13-Dec-16 2:26 
GeneralDeploying to Azure with Team Foundation Server 2015 Pin
Dominic Burford9-Dec-16 2:29
professionalDominic Burford9-Dec-16 2:29 

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