Travis changed their default distribution from Ubuntu 14.04 (trusty) to 16.04 (precise). This might break your test setup for new...
The issue in this card can occur if the node_modules directory is checked into your Git repository. We usually...
When deploying with capistrano it's possible you get this "error" message: *** [err :: example.com] There are no Phusion Passenger-served...
Webpacker can automatically create an icon font from SVG files, which is really handy. When you're using the asset...
If you get e.g. this error message when you try to run puppet agent: Error: Failed to apply catalog: undefined...
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...
This is a short overview of things that are required to upgrade a project from the Asset Pipeline to Webpacker...
In Rails, we usually have a mailer setup like this: class MyMailer < ActionMailer::Base def newsletter mail to: 'receiver@host.tld',
Many mail clients do not support external style sheets. Some even require all styling inline, which means you'll have...
This is not encouraged because this change is easily forgotten. We recommend using this only if you know what you...
When we want to use our own (or bought) fonts in an application with Webpack(er), we have two options...
When you have a powerful machine with many CPU cores, you might run into an error like
From at least Rails 4, the ActionView tag helper turns Array values of HTML options into a single space-separated...
In case you're wondering, when concat-ing server certificate and intermediate certificates, the server certificate comes first.
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...
Spammers have started abusing other application to send their spam. This works like this: The application has some form that...
To remove all tables from a database (but keep the database itself), you have two options. Option 1: Drop the...
When building an application that sends e-mails to users, you want to avoid those e-mails from being classified...
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...
The Ace editor is a great enhancement when you want users to supply some kind of code (HTML, JavaScript, Ruby...