Jim Aho

security

Authentication vs authorization

2022-01-04: Revised post and re-wrote some parts to make the anology better OverviewI remember how much I struggled to learn the difference between these two terms. Authentication and authorization sounds so similar yet are so different. And instead of talking about API's straight away, here's my way of describing it

responsibility

What is coupling?

Today I watched a great presentation by Kent Beck from DDD europe 2020 about Continued Learning: The Beauty of Maintenance and he said something good about coupling, what it is and what it is not. The aim with this post is to summarize what he said about coupling. All pictures

Making a query with low-level SDK against AWS DynamoDB with .NET Core 6

tldr; If you want to cut through the chase and just see the code, you can go directly to the "Making a query" section. OverviewDynamoDB is a NoSQL database that exists in AWS. It's a highly scalable database which can handle loads of traffic. It looks really simple to get

cleancode

A different approach to log levels

Logger.Information("Overview");Ever seen a system log quite a lot of information yet you have no idea how to interpret it? Ever seen errors being produced every single day yet no one really bothers to read them? Or warnings being 'normal' in your application? During our years as software

cleancode

Duplication isn't evil, but a massive addiction to DRY is

In software engineering people tend to think that duplication is always evil. If you have the same code in more than one place, you must refactor that so that you have only one piece of that same code or same functionality. The reason why developers are doing this is because

netcore

Using singletons in .NET Core in AWS Lambda

Understanding Dependency Injection with .NET and AWS Lambda

microservices

My experiences from building microservices

OverviewMicroservices is a complex topic, and sometimes dangerous too if you ask me. Mainly because it's easy to assume that microservice is KING and should be used everywhere once you start to work with them. This post won't be a detailed guide on how you write them, because to be

people

How to send a reasonably good meeting invitation

You know very well how it is. We get meeting invitations all the time. No matter the time of the day - they just drop into your mailbox. Colleagues need to have a "discussion". There's a meeting with an external partner. Or you have a meeting with another team in

aspnetcore

ASP.NET Core 3.1 response time and memory spikes in Kubernetes

Use less memory and handle higher througput in ASP.NET Core

macos

Inspect all encrypted traffic made from your iPhone

And there is a way to actually see every request being made from your phone. This means you will see both traffic made from each of your app, and your browser etc.

aspnetcore

Azure Application Insights without noise from health checks and swagger in ASP.NET Core 3.1

Today when using the cloud it's so easy to set up some basic monitoring. I've been using Application Insights (AI) in Azure the last couple of years, and find it extremely useful considering the shockigly low amount of effort required to get it up and running. Below I will guide

nuget

Tips for creating and consuming NuGet packages locally

There's so many reasons why NuGet can be a pain to work with sometimes. I just want to give some neat tips to make it easier to develop them (and consume) locally during development.

responsibility

My thoughts on your responsibility as a software developer

Responsibility is a rare thing today

macos

How to send SIGTERM (graceful shutdown) to a .NET Core process in MacOS/Linux

Simulate shutdown during development

featureflags

Working with feature flags

Feature flagging can be very complex. Use only when the benefits are clear.

microservices

Problems with lock-step deployment

OverviewNo matter what software you create, in the end you must have some kind of deployment for it to reach the end customer. When you start building microservices - or any other service(s) - for that matter, as soon as they start to pile up, you'll see that it's

developer

Being a former Windows and .NET Framework developer switching over to .NET Core and MacOS

Audience for this postThis post is mainly for people that like MacOS, for whatever reason. Even if you hate MacOS and love Windows - then sure, you can absolutely still read it, to know how "MacOS" people thinks (which can be useful for other reasons, as in understanding your potential

aspnetcore

UseDefaultFiles() vs UseStaticFiles() vs UseSpaStaticFiles() vs UseSpa()

A brief introduction to UseDefaultFiles, UseStaticFiles, UseSpaStaticFiles and UseSpa