Supporting IPv4 and IPv6 dual mode network with one socket
IP version 6 has not become the de facto standard yet, even though we are close to have exhausted all IPv4 addresses. I set out to learn more about IPv6 and ...
Posts by Year
2018
2017
Security nightmare - It is time to update all your device
Not a week goes by without new security vulnerabilities. The Wi-Fi vulnerability KRACK and the security chip vulnerability ROCA are some of the more severe o...
Installing Windows with Secure Boot from USB drive
Secure Boot is essential for securing your computer. This guide show how to enable it, so malicious software cannot infect your computer before startup of th...
2016
Composing your own Windows Container with a Dockerfile
Tutorial to create a Windows Container with a .NET application using Docker layers to compose upon existing Docker images
Getting started with Windows Containers
Publishing your first Windows Container in Azure
2015
.NET compiler platform (Roslyn) analyzer packages
.NET Analyzers will improve your skills and highted your code quality
Minimizing the cost of dev/test environments in Azure
Save Azure cost via Visual Studio
How-to start and stop Azure VMs at a schedule
Azure runbooks can automate cost savings in Azure
Initialize a Dictionary with index initializers
Short hand notation to initialize a Dictionary
Auto-property initializers
.NET short hand property initializers
Expression-bodied methods
.Net short hand notation for short methods
Awesome string formatting
Simple way of formatting .NET strings
The nameof operator
Easy way of using reflection to get the name of a class, property or method
Chained null checks
Checking for null is cumbersome, but there is a better way
2014
AJAX paging for ASP.NET MVC sites
Implement paging with AJAX for ASP.NET (.NET Framework)
Clean Domain Model via MongoDB Class Map
Using a mapping class instead of cluttering the domain model with MongoDB specific attributes
MongoDB auto-increment or sequence
A simple way of implementing auto-increment or sequence for MongoDB
I am an expert
We have all be declared an expert. A funny take on experts
2013
I am a Softie
I work for Microsoft now
Instrumentation presentation at Campus Days 2013
Tracing, logging and instrumentation is key for troubleshooting and high level of observability of your code
Automatic Retry and Circuit Breaker made easy
To prevent cascading failures of downstream services your code should implement the circuit breaker pattern
Accessing HTTP Request from ASP.NET Web API
Note: This post refers to .NET Framework for Windows only, and not for the cross-platform .NET Core or simply .NET as it is re-branded in 2020. This means th...
2012
GOTO Aarhus 2012 – Tuesday
Highlights from GOTO Aarhus 2012 including TypeScript preview, continuous delivery talks, and more.
GOTO Aarhus 2012 – Monday
The day started with a keynote from @Falkvinge from the Pirate Party. I wasn’t expecting much from this keynote, but I was pleasantly surprised. First of all...
Blog post from 10000 meters in the Air
While writing and posting this post I’m currently flying from Copenhagen, Denmark to London, United Kingdom over the North Sea with Norwegian airlines using ...
Community Day Copenhagen 2012 – Solr Presentation
Presented on Apache Solr full-text search with faceting and jQuery at Community Day Copenhagen 2012.
Outsourcing requires Talent
Blindly outsourcing work will always fail. Your company need to find passionate and talented knowledge workers to have a chance to succeed
When to Outsource?
When does outsourcing software development make sense, and when should you keep it in-house?
2011
Memory Management in .Net
I’ve written about Garbage Collection in the .Net Framework in version 2.0 and 3.0 a couple of years ago, but now Red Gate has created a simple and easy to u...
An unfortunate travel story
The last two and a half weeks have been interesting for me - Interesting in the “what doesn’t kill you makes you stronger” kind of way. Here is my challengin...
Using Lucene.Net with Microsoft Azure
This is an old post. Today I would recommend using Azure Cognitive Search, which is a PaaS offering which is built upon Lucene.
CNUG Lucene.Net presentation
I have just held another presentation about Lucene.Net, this time in Copenhagen .Net user group. I hope everyone enjoyed the presentation and walked away wit...
2010
ANUG Solr/Lucene presentation
Gave a presentation on Apache Solr and Lucene at the Aarhus .NET user group (ANUG).
WCF Timeouts
Note: This post refers to .NET Framework for Windows only, and not for the cross-platform .NET Core or simply .NET as it is re-branded in 2020. This means th...
WCF Throttling – Part 2
Note: This post refers to .NET Framework for Windows only, and not for the cross-platform .NET Core or simply .NET as it is re-branded in 2020. This means th...
WCF Throttling – Part 1
Note: This post refers to .NET Framework for Windows only, and not for the cross-platform .NET Core or simply .NET as it is re-branded in 2020. This means th...
ASP.Net Security Vulnerability
Note: This post refers to .NET Framework for Windows only, and not for the cross-platform .NET Core or simply .NET as it is re-branded in 2020. This means th...
Configuring Windows 7 network priority
Windows 7 apparently always prioritizes the wireless network connection (Wi-Fi) – no matter if a faster wired network connection is available. This is defaul...
Enabling Danish for SQL Server FullText
SQL Server FullText enables you to search large amount of strings fast, and it is easy to use. It hasn’t changed much since SQL Server 2000. A simple getting...
Java 4-ever
I find this video hilarious…
Meeting the SQL Azure Development Team
Meeting the SQL Azure development team to discuss the future of cloud databases.
Check for breaking changes in APIs
Automating checking for changes in API’s between versions
Levels of reuse in Software Development
Reuse is key in software development hence the DRU principle. To often the wrong level of reuse is causing problems within an organization
Ageing pictogram
A fun pictogram spotted on a house wall in Prague during the Apache Lucene EuroCon 2010.
Finding Missing Indexes with SQL Server DMVs
Finding Missing Indexes with DMVsSome time ago I wrote written about easy index wins for SQL Server 2005.
Removing SVN folders with PowerShell
A quick PowerShell one-liner to recursively remove .svn folders from a Visual Studio solution.
Miracle Open World 2010 Lucene Presentation
The conference is over and it was a great success. I meet a lot of new people and had lots of technical discussions about .Net, graph databases, freetext sea...
Speaking about Lucene at Miracle Open World 2010
Presenting about Apache Lucene at the Miracle Open World 2010 conference at Legoland, Denmark.
It’s my birthday today
Yep – It’s true, I’m one year older today.
Compress files into individual archives
I needed to compress a lot of files into individual zip archives – I did not want to do it manually 🙂
SQL Server build version
How to check SQL Server edition, version, and service pack using ServerProperty and @@Version.
2009
Lucene.Net and Transactions
Showing hos to implement two-phase-commit (2PC) transactions in .NET
TechEd Berlin 2009
Heading to TechEd Berlin 2009, looking forward to sessions on FAST Search, Azure, and more.
ASP.NET MVC Best Practices
Note: This post refers to .NET Framework for Windows only, and not for the cross-platform .NET Core or simply .NET as it is re-branded in 2020. This means th...
Initial slow WCF request
Note: This post refers to .NET Framework for Windows only, and not for the cross-platform .NET Core or simply .NET as it is re-branded in 2020. This means th...
Monitors and thread context
Running the below code will fail – why?
Amazon Virtual Private Cloud
Amazon VPC lets you extend your company network to the cloud via a secure VPN connection to EC2.
How to view default values for a WCF binding
Note: This post refers to .NET Framework for Windows only, and not for the cross-platform .NET Core or simply .NET as it is re-branded in 2020. This means th...
World’s first electronic annual general meeting
Today I just witness the electronic annual general meeting for the investment company SparIndex. This is the first 100% electronic annual general meeting eve...
Loooong running sql statement
Found a SQL Server process in Profiler that had been running for over 500,000 years — a likely world record.
In-flight entertainment running on Windows
Caught the in-flight entertainment system rebooting Windows mid-flight on a Lufthansa Airbus A340.
Scary SQL Server 2005 & 2008 bug
Watch out when using @@IDENTITY and SCOPE_IDENTITY() in your applications. Below is a quote from a Microsoft SQL Server engineer.
Handcrafting the WCF client
Note: This post refers to .NET Framework for Windows only, and not for the cross-platform .NET Core or simply .NET as it is re-branded in 2020. This means th...
Visiting Microsoft in Johannesburg, South Africa
I live and work in the suburbs of Copenhagen in Denmark, but I’m currently in South Africa on business. While I’m here I might as well visit Microsoft South ...
2008
Easy win – index candidates on SQL Server 2005
Below is my real life story telling how easy it can be to find index candidates if you use your tools.
Serialization in .Net 3.5 SP1
Note: This post refers to .NET Framework for Windows only, and not for the cross-platform .NET Core or simply .NET as it is re-branded in 2020. This means th...
Disable and enable all database constraints
We (my colleagues at Miracle and I) are currently in the process of upgrading a customer’s solutions. One of task is migrating 100 gigs of data into an exist...
WCF certified
I just got word from Microsoft, that I passed the Microsoft Certified Technology Specialist: .NET Framework 3.5, Windows Communication Foundation Application...
Do you know how many types there are in the .Net Framework?
Note: This post refers to .NET Framework for Windows only, and not for the cross-platform .NET Core or simply .NET as it is re-branded in 2020. This means th...
32-bit WCF memory allocation trouble
With a 32 bit platform a process can only address 2 GB of memory by default on windows. For most applications this is not an issue. But today I really messed...
My presentation at the Microsoft product launch 2008
](http://www.microsoft.com/danmark/technet/detskerher/default_webcast.aspx?id=115)
2007
Victoria is One Year Old
Victoria turns one and takes her first steps on her birthday.
JAOO session “Applying Craftsmanship” abstract
The session “Applying Craftsmanship” at the JAOO conference by Pete McBreen was by no means technical but made me think. The stuff he talked about is, in my ...
SCRUM Certified Master
Yesterday I returned from Milan, Italy, after completing a great Scrum Master Certification course taught by the experienced Scrum trainer Joseph Pelrine.
WCF Sessions and Reliable Messaging
Note: This post refers to .NET Framework for Windows only, and not for the cross-platform .NET Core or simply .NET as it is re-branded in 2020. This means th...
Strings in .Net
Strings in .Net are immutable reference types, but can be confusing because they sometimes have similar characteristics as value types.
Garbage Collection Flavors
Why should you care about Garbage Collection? Well, it may very well improve performance for your applications.
Three months anniversary
 must be utilized, because to two or more independent par...
Favor structured exception handling
I was surprised this last week, when a discussion about error handling, whether or not to use structured exceptions in .Net, surfaced at a customer where I a...
How does Reliable Messaging work?
First of all – why do we need a technology like reliable messaging? That is due to the inherently unreliable of communication networks. Back in the old days ...
Building a Windows Communication Foundation client
Note: This post refers to .NET Framework for Windows only, and not for the cross-platform .NET Core or simply .NET as it is re-branded in 2020. This means th...
A simple Windows Communication Foundation Web Service
Note: This post refers to .NET Framework for Windows only, and not for the cross-platform .NET Core or simply .NET as it is re-branded in 2020. This means th...
When is DivideByZeroException thrown?
What a strange question most developers will say. DivideByZeroException is thrown every time you divide by zero, right? No – it depends.
2006
I’m a dad!
Welcoming my baby girl Victoria, born December 30th 2006.