Silencing Your Staging Environment - The Hashrocket Blog
Testing with real live production data does come with at least one catch. All those real live users in your production environment have real live email addresses that receive real live emails.
The post includes monkey patch for ActionMailer that rewrites the domain of all recipients. It's a different take on the problem than our own mail_magnet Show archive.org snapshot gem.
Related cards:
Exclude your staging site from Google with robots.txt and not shoot yourself in the foot
If you want to exclude your staging site from Google using robots.txt without running the risk to forget deleting the file once you go live, name the file robots.exclude.txt instead.
In your Apache Vhost config, rewrite requests for the stagi...
The Ruby Object Model
In Ruby (almost) everything is an Object. While this enables a lot of powerful features, this concept might be confusing for developers who have been programming in more static languages, such as Java or C#. This card should help understanding t...
CSS: Matching against attributes and their values (or parts of them)
You probably know that you can use CSS selectors to match against elements and their attributes, such as:
a[title] { /* any <a> that has a "title" */ }
a[data-fancy="true"] { /* any <a> that has their "data-fancy" attribute set to "true" *...
How to search through logs on staging or production environments
We generally use multiple application servers (at least two) and you have to search on all of them if you don't know which one handled the request you are looking for.
Rails application logs usually live in `/var/www//sh...
Middleman configuration for Rails Developers
Middleman is a static page generator that brings many of the goodies that Rails developers are used to.
Out of the box, Middleman brings Haml, Sass, helpers etc. However, it can be configured to do even better. This card is a list of improvement ...
Load order of the environment
Rails 3, 4, 5, 6
config/application.rb-
config/environment.rbbefore theinitialize!call (we don't usually edit this file) - The current environment, e.g.
environments/production.rb - Gems
- Vendored plugins
- A...
Preparing your test database: mind the differences
Instead of running all missing migrations on your test database with rake db:migrate RAILS_ENV=test you can also use a handful of rake tasks to prepare the database structure directly. They can produce different results, though.
In a nutshell, ...
RSpec: Leverage the power of Capybara Finders and Matchers for view specs
View specs are a powerful tool to test several rendering paths by their cases instead of using a more costing feature spec. This is especially useful because they become quite co...
The JavaScript Object Model: A deep dive into prototypes and properties
Speaker today is Henning Koch, Head of Development at makandra.
This talk will be in German with English slides.
Introduction
As web developers we work with JavaScript every day, even when our backend code uses anothe...
How to resize your boot partition when there is an encrypted partition after it
Boot partitions from installations prior to the 16.04 era are terribly small. When you install updates and encounter errors due to a full /boot partition, consider risizing it.
If you can't do the steps described below, ask someone experienced ...