Recently I had to deal with good old VBA. The product I had to do a bugfix/ heavy testing for is completely written in C#, but automates Office. Mostly Excel, but also PowerPoint all running as a service. I had the pleasure to implement an automatic logon with Excel for BEx. BEx, aka SAP Business […]
Author: holgerleichsenring
Where are the autogen properties in asp.net core localizers?
Two days ago a collegue and I made a review of the brand new asp.net core implementation. We have been pretty exicted about it. Core promises to be more lightweight, well thought through, much faster …and it finally uses dependency injection. Time to give it a try and leave web api/ asp.net mvc behind. First review […]
9 soft skills for great developers
Which soft skills do a software developer need today? Which make him a good one, which make him an IT professional that can take the next steps? The last twenty years of professional software development I did always raised the same skills. Let’s go through them, in order of significance. You may add your comments if you feel […]
Logging with log4net and Windsor Castle in c#
Quite a while ago I had a good talk with an colleague about “to log or not to log – that is the question”. 😉 That was a longer discussion, and a lot of questions had been raised: Shall we do logging? What shall be logged out? Should we create a log library by ourselves to […]
How to do sensible logging in c#
In last post about Are Extensions the beauty or the beast? I added a screenshot that showed a class implementing the repository pattern. This actually also showed the implementation of our log strategy. I did get some questions why we do it like this and what are the benefits. Let’s have a look onto how we do it: […]
Coding principles: Are extensions the beauty or the beast?
The other day a collegue of mine came to me, being pretty enthusiastic. He was amazed about his latest changes to the code. As I am the responsible architect, it is my turn to have a look onto the changes. So we sat together and did so. Usually we create our code via straight rules and best practices. As […]
Coding principles: These assembly/ folder structures… suck.
We need to move people from time to time between products. It can be tough when you move from SSIS/ Sql/ SAP stuff to job-based Excel automation. How can we make a hard task easy? The very first things that developer see are the assemblies and the folder structures. Let me first put some bad examples for assembly […]
Coding principles: The difference between defensive and offensive programming
I put together a list of strategies, rules and best practices for our team. This is not any unusual stuff, but (IMHO) a sensible and smart set of rules to follow to be able to write extensible, maintainable, understandable, testable, robust,… *TooManyAdjectivesException* …code. To follow the evolution of methodic and what are the coding principles we do […]
Microsoft Graph & Excel API: Waterfall Charts with d3js as Office 365 Addin – is that already stable?
Did you hear about Waterfall? No, I don’t mean the oldschool development practice of the NASA to ensure that a rocket-powered aircraft will fly in space forever. I mean Waterfall charts: These charts do add some value for business users as they are different. They do not just show data, they show data with a […]
Evolution of methodic: Melting the metal
Let me take you to a short journey how I started with programming, where it went to, and how the actual methodic, thinking and doing evoled. This will have the following posts: It all started with i=i+1 Melting the metal Going to Windows 3.11, I need (MS) access Why is there any system without a database? Going to VB6 […]