While the main goal always is to prevent long-running queries in the first place, automatic timeouts can serve as...
Using Capistrano, we usually have some array configurations in the config/deploy.rb file, like set :linked_files, %w[config/database.yml], so in...
Postgres works differently See PostgreSQL: Difference between text and varchar columns for PostgreSQL-specific info MySQL has 4 different column...
There are two ways a logout in SAML can happen: Service Provider (SP) initiated and Identity Provider (IDP) initiated logout...
To retrieve only unique combinations of the selected attributes: You can omit rows, where all selected columns are equal with...
When your Rails application offers downloading a bunch of files as ZIP archive, you basically have two options:
This should be fixed in the latest LTS-branches of our mysql2 fork, 0.2.x-lts and 0.3.x-lts...
When you are working with SVG files and ImageMagick you can get different results on different machines depending on which...
In my case [...] the catalog is an XML that contains all kinds of possible products, categories and vendors and it...
The RSpec matcher tests if two HTML fragments are equivalent. Equivalency means: Whitespace is ignored Types of attribute quotes are...
We had a card that described how to install multiple mysql versions using mysql-sandbox. Nowadays with the wide adoption...
You can scale background images in CSS to the container size using background-size (Demo). Commonly, we use contain or...
5.4.0 2021-02-01 Compatible changes Add geordi branch command that checks out a feature branch based on a story...
We currently test most of our gems on Travis CI, but want to migrate those tests to Github Actions. This...
If you have a :string or :text field, you should pair it with a model validation that restricts its length...
Nokogiri is great. It will even fix invalid HTML for you, like a browser would (e.g. move block elements out...
CSS selectors are a very simple tool to select elements from a Nokogiri document. However, the colon in the XML...
We can use ActiveRecord's where to add conditions to a relation. But sometimes our condition is not on the...
Debugging image color profiles is hard. You can't trust your eyes in this matter, as the image rendering depends...
A primer on vector graphics For rastered image formats like JPG or PNG, each pixel is basically drawn on a...
As an application exists, data accumulates. While you'll be loosely monitoring the main models' record count, some supportive database...
MariaDB (and MySQL) is released in different versions with different behaviors. For backwards compatibility this can be managed with the...
Travis changed their default distribution from Ubuntu 14.04 (trusty) to 16.04 (precise). This might break your test setup for new...
Tod is a gem for working with daytimes. That's a tuple of (hour, minute second) without a day, month...