Blog

Implement v-model in Vue.js Janne Kemppainen | January 12, 2023

In Vue, the v-model directive is used to create a binding between an input or a component, and a data reference. This makes it possible to update the state of a value that is passed to a component. But how can you implement it yourself, especially if the value needs to be passed through a nested component?

Combine Multiple Filter Conditions in Python Janne Kemppainen | October 3, 2022

This problem occurred when I was trying to think of an alternative way for returning the first item from a list that matches given constraints. Using if statements inside a for loop is the obvious way to comb through the items but the built-in filter() function provides an interesting alternative.

Create a Web App with Vue 3, Tailwind CSS and Storybook Janne Kemppainen | September 1, 2022

I’ve been doing some small scale frontend development for a while now, and I have to say that I’ve really grown to love the Vue.js framework. Combined with Tailwind CSS and Storybook it makes for a strong starting point for your next web app!

Optional Arguments in Azure DevOps Janne Kemppainen | July 11, 2022

Sometimes your Azure DevOps pipelines need to adapt to different situations with sane default values. On the other hand, optional arguments become especially handy when you want to create flexible and reusable templates.

Loops in Azure DevOps Pipelines Janne Kemppainen | April 25, 2022

If you need to do the same thing over and over again, why repeat yourself? In this post we’ll discover how looping works in Azure DevOps pipelines.

Replace Docker with Podman and Buildah Janne Kemppainen | April 21, 2022

Since Docker announced that the licensing terms for Docker Desktop have changed so that large companies need to start paying there has been growing interest towards alternatives. How can you switch to a free and open source solution, or should you?

Send Teams Notifications from Azure DevOps Janne Kemppainen | April 6, 2022

An important part of a CI pipeline is to keep you updated on what’s happening. When a build or a test suite fails you might want to be notified about it. In this post we’ll learn how to send messages to a Teams channel from an Azure DevOps pipeline.

Configure a TLS Secret in Kubernetes Janne Kemppainen | February 7, 2022

Quite often, when you’re working with a Kubernetes cluster, you also need to handle TLS secrets. Projects like cert-manager can take much of that load off your shoulders but sometimes you still need to configure a certificate manually.

Upgrade Ubuntu on WSL2 Janne Kemppainen | February 6, 2022

If you search for Ubuntu distributions on the Microsoft Store you’ll notice that only the long term support LTS releases are included. In this post I’ll show you how you can upgrade to the latest release, if you need to.

Copy SSH Keys from WSL2 to Windows Janne Kemppainen | January 10, 2022

You may have generated an SSH key pair that you use with git on Windows Subsystem for Linux. But if you also want to use Git for Windows then you might want to reuse the same key on the Windows side so that you don’t need to maintain more keys on the remote, such as GitHub.

Fix NPM No Such File Error on WSL2 Janne Kemppainen | November 21, 2021

I was working on a Node.js project and decided to run it on top of Windows Subsystem for Linux but it just wouldn’t work. The npm command would fail with a “no such file or directory error” like this:

Get docker-compose Working on Raspberry Pi Janne Kemppainen | October 31, 2021

I was setting up Docker on my Raspberry Pi since I wanted to run Home Assistant on top of it. I wanted to use docker-compose to manage the container, but the installation was not successful.