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...

Rails' ActiveSupport::TimeWithZone objects have both a timezone code and offset, e.g. Thu, 28 Mar 2019 16:00:00 CET...

Sometimes you might need to do some task in GitLab which would be tedious if you'd have to do...

This is not encouraged because this change is easily forgotten. We recommend using this only if you know what you...

makandra dev

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...

Fixed bugs where calling valid? would change the record's state.

If a systemd service unit is blocked by rate limiting (see in documentation) you can reset the failcounter via:

When you have a powerful machine with many CPU cores, you might run into an error like

github.com

You can use .ids on an ActiveRecord scope to pluck all the ids of the relation: # Modern Rails User.where("users.name...

Here is how to make Rome datepicker look like the rest of your Bootstrap 4 application. Rome comes with very...

From at least Rails 4, the ActionView tag helper turns Array values of HTML options into a single space-separated...

tools.ietf.org

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...

Rails' params hash contains any request parameters (URL parameters or request payload) as well as routing parameters like :controller, :action...

RSpec >= 3.3 added aggregate_failures, which allows multiple failures in an example and list them all, rather than aborting on...

If you have a PostgreSQL dump in the custom format you can can view the text format dump (plain SQL...

We forked trusty memoizer to make two changes: Memoized methods now preserve their arity. Previously all memoized methods had an...

makandra dev

Class-level process definitions are only applied to the original file Versions are generated based on the processed original file...

github.com

See the attached link for a useful overview of modern (and classic) DOM API methods, like matches, contains, append, cssText...

Bundler 2 requires at least Ruby 2.3.0 and RubyGems 2.5.0. You might get the following error when you try to...

Carrierwave includes some handy helper methods you can use to resize your images. Here is a quick summary of them...

For searching in large database tables we usually use PostgreSQL's fulltext search capabilities. While this works reasonably well for...