If you get e.g. this error message when you try to run puppet agent: Error: Failed to apply catalog: undefined...
Over the years we have tried several solution to have vector icons in our applications. There are many ways to...
TL;DR Most web applications do not require action on this. SameSite=None (old browser default) will continue to work...
Was ist Elastic? Suchmaschine, basierend auf Apache Lucene größtenteils Open-Source einige kommerzielle Features ("Elastic Stack", früher "X-Pack") Zugriffsrechte...
To avoid multiple versions of a package, you can manually maintain a resolutions section in your package.json. We recommend you...
This is a short overview of things that are required to upgrade a project from the Asset Pipeline to Webpacker...
Many mail clients do not support external style sheets. Some even require all styling inline, which means you'll have...
While deploying an Ruby update to an old application these days, we encountered the following misleading error: *** [err :: some-host.makandra.de] You...
When we want to use our own (or bought) fonts in an application with Webpack(er), we have two options...
Webpacker is Rails' way of integrating Webpack, and version 4 has been released just a few days ago, allowing us...
RSpec >= 3.3 added aggregate_failures, which allows multiple failures in an example and list them all, rather than aborting on...
Class-level process definitions are only applied to the original file Versions are generated based on the processed original file...
Bundler 2 requires at least Ruby 2.3.0 and RubyGems 2.5.0. You might get the following error when you try to...
This is a presentation from 2019-01-21. Summary We want to move away from jQuery in future projects
When building an application that sends e-mails to users, you want to avoid those e-mails from being classified...
Suggested Workflow Set the ruby version in .ruby-version to 2.3.5, then perform these steps one by one, fixing errors...
Rails ships with two separate build pipelines: Sprockets ("asset pipeline") and Webpacker. Webpacker has many more moving parts, but allows...
When your code does not behave as expected, you can use a debugger statement ("breakpoint") at any point in your...
When upgrading Rails versions -- especially major versions -- you will run into a lot of unique issues, depending on the exact...
Deployment ready for Opscomplete Copying view and controller templates over to target application during basics configuration or via...
Ubuntu has decided to disable PDF processing because ImageMagick and the underlying Ghostscript had several security issues. When your Ghostscript...
Percent Notation We already know that that we can create strings using the percent notation: %(<foo="bar's ton">) is...
TL;DR: All modern browsers default to using the element as the main document viewport. In CSS, prefer to set...
Font Awesome 5 is a comprehensive solution for vector icons on your website. Originally, Font Awesome came as an icon...