Rob Janssen

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Be An Engineer, Not A User — Medium

It’s a wonderful time to be a software developer. The opportunities are abundant and the languages, frameworks, and tooling we use to do our jobs are amazing thanks in large part to our collaborative efforts in the open source world.

How to Find the Longest Consecutive Series of Events in SQL

A very interesting problem that can be solved very easily with SQL is to find consecutive series of events in a time series. But what is a consecutive series of events in a time series? Take Stack Overflow, for example.

Using Docker ENV with ASP.NET 5

Docker is quickly becoming a great choice for hosting ASP.NET 5 applications. I believe one of the most compelling reasons is that Docker gives us the ability to create a consistent environment (read: Docker Container) for hosting our application.

A Chatbot Is Better Than a UI for a Microservice

A chatbot (or chatterbot, as Wikipedia says) is a piece of software that talks to you in chat format. We use chatbots in a few (micro)services, and they fully replace user interfaces.

Stop forcing your arbitrary password rules on me.

I recently read a blog post on forcing more complex passwords. I'm all for more security, but I don't think these kinds of techniques are the best way and are more nuisance than helpful. You want to enforce more secure passwords, I get it. However,

All I Wanted Was To Write A Blog

This isn’t the first time and won’t be the last time. I just wanted to write a blog post. I had a topic in mind, something good I bet but doesn’t matter anymore because the journey was way more fantastic1. I knew I was already in trouble because I had a blown up laptop.

The RTW-Disease

RTW or Reinvent-The-Wheel is pain anywhere in the region of the head . It can be a symptom of a number of different conditions of the head. RTW can result from a wide range of causes both benign and more serious. RTW, though, is a non-specific symptom, which means that it has many possible causes.

Guillermo Schwarz's answer to What are the best-kept secrets of great programmers?

If I told you then I would have to kill you. 0. Everything can be done with hashmaps.

As sites move to SHA2 encryption, millions face HTTPS lock-out

In 2016, tens of millions of people around the world will face trouble accessing some of the most common encrypted websites like Facebook, Google and Gmail, Twitter, and Microsoft sites. Why? Because their browser or device will be unable to read the new, more secure certificates.

A new stackalloc operator for reference types with CoreCLR and Roslyn

Source code is now available on github Udpdated 9 Oct 2015: Added a section about the this and transient safe problem In the sequel of my previous post adding struct inheritance to C# with CoreCLR and Roslyn, I would like to share here a proposal and a prototype for a new stackalloc operator to

This Read-It-Later-list is just that, bookmarks of stuff I intend to read or have read. I do not necessarily agree with opinions or statements in the bookmarked articles.

This list is compiled from my Pocket list.