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',
min-width is known as a CSS property that can be set to define a least width for an element...
When we want to use our own (or bought) fonts in an application with Webpack(er), we have two options...
Here is how to make Rome datepicker look like the rest of your Bootstrap 4 application. Rome comes with very...
RSpec >= 3.3 added aggregate_failures, which allows multiple failures in an example and list them all, rather than aborting on...
See the attached link for a useful overview of modern (and classic) DOM API methods, like matches, contains, append, cssText...
For searching in large database tables we usually use PostgreSQL's fulltext search capabilities. While this works reasonably well for...
This is a presentation from 2019-01-21. Summary We want to move away from jQuery in future projects
Spammers have started abusing other application to send their spam. This works like this: The application has some form that...
I had this error: > gem install bundler Successfully installed bundler-2.0.1 1 gem installed > bundle install Traceback (most recent call...
When building an application that sends e-mails to users, you want to avoid those e-mails from being classified...
The standard way to abort async code is that your function takes a AbortSignal { signal } property. The caller can use...
The rendered font often depends on the local font your system provides, therefore you often find a rule like below...
Cucumber has an output format that prints step definitions only. You can use this to find unused ones: Temporarily add...
The Ace editor is a great enhancement when you want users to supply some kind of code (HTML, JavaScript, Ruby...
When projects run for many years, they require special regular maintenance to stay fresh. This kind of maintenance is usually...
If your Rubymine does not recognize a file type correctly although you have entered the unmistakeable file extension like material_orders_controller.rb...
Ubuntu has decided to disable PDF processing because ImageMagick and the underlying Ghostscript had several security issues. When your Ghostscript...
Mobile Chrome and Safari support the "web share API" which allow you to use the native share functionality of an...
Font Awesome 5 is a comprehensive solution for vector icons on your website. Originally, Font Awesome came as an icon...
In this example we assume that not only the storage gem changes but also the file structure on disc.
Cross-Site Request Forgery (CSRF) is an attack pattern for websites. A CSRF attack is usually relevant in a...
If validations failed for a record, and you want to find out if a specific validation failed, you can leverage...