These are the top ten accessibility errors as researched by TPGi, a company focusing on accessibility. See the linked article...
Today I stumbled across a pretty harmless-looking query in our application which turned out to be pretty harmful and...
All browsers implement an event named beforeunload. It is fired when the active window is closed and can be used...
A Rails script lives in lib/scripts and is run with bin/rails runner lib/scripts/.... They are a simple tool to perform...
There are a few tools to combat the dreaded n+1 queries. The bullet gem notifies you of missing eager...
Tested on Ubunut 22.04 1. Opener script Create a file ~/.local/bin/coverage_zip_opener with: #!/bin/bash tmp_folder="/tmp/coverage-report-opener" if [ -z "$1" ]
The linked article suggests an interesting way to speed up tests of Rails + Postgres apps: PostgreSQL allows the creation of...
A general overview about why and how we migrate can be found under Migrating from Elasticsearch to Opensearch
#pluck is commonly used as a performant way to retain single database values from an ActiveRecord::Relation Book.pluck(:title, :price...
Getting CSS (and JS) live reloading to work in a esbuild / Rails project is a bit of a hassle, but...
If you ever need to restore exact records from one database to another, Marshal might come in handy. Marshal.dump is...
The sprintf method has a reference by name format option: sprintf("% d : % f", { :foo => 1, :bar => 2 }) # => 1 : 2.000000
While upgrading CarrierWave from version 0.11.x to 3.x, we encountered some very nasty fails. Below are the basic...
Given you have an array column like this: create_table "users", force: :cascade do |t| t.integer "movie_ids", default: [], array...
Legt man im DNS beispielsweise einen CNAME-Eintrag an, sollte das Ziel am Ende einen Punkt haben, also z.b. d31337.cloudfront.net...
Besides Plotting graphs in Ruby with Gruff, which comes handy for many uses cases, you sometimes might need configuration for...
Both knapsack and parallel_tests have the option to split groups by historic execution time. The required logs for this...
For my computer science bachelor's thesis I programmed and evaluated a CLI Test Case Prioritization (TCP) tool for makandra...
The git doc states on the difference of these two commands: git-restore[1] is about restoring files in the...
There are multiple ways to redirect URLs to a different URL in Rails, and they differ in small but important...
Sometimes you'll find yourself with a set of tasks that require similar code for different models. For example, if...
Splitting up commits makes the process of reviewing often easier, since you can create several merge requests or review every...
It is possible to manipulate the forwarded ports of an established interactive SSH session. This is done by opening the...
Within Capybara you most certainly use the #check- and #uncheck-method to (un)check checkboxes. But there's one problem...