This page lists many query methods and options in ActiveRecord which do not sanitize raw SQL arguments and are not...
...in development + test, but keep action_on_unpermitted_parameters = false in production, your application behaves different between these environments. On the other hand it forces to fix these errors in...
...Parameters).to receive(:action_on_unpermitted_parameters).and_return(false) for tests, that should behave exactly like in production...
...file_inside' do let(:path) { '/opt/invoices/' } it 'should send a requested file that lives beneath the given directory' do subject.should_receive(:send_file).with('/opt/invoices/123.pdf', {}) subject.send :send_file_inside, path...
...methods usually don't print background colors. In most cases this is the desired behavior, because you don't want to spend tons of ink printing the background of a...
If you have content inside a page that is hidden by CSS, the following will work with Selenium, but not...
} Enumerable#index_with (Rails 6+) To generate a hash where array elements become hash keys, and values are calculated from them, use index_with. users = User.all
The attached compiler() function below applies JavaScript behavior to matching HTML elements as they enter the DOM. This works like an Unpoly compiler for apps that don't use Unpoly...
...you will sign out your current user whenever you switch to another app. A better way is to use our own daho.im service. All daho.im subdomains resolve to your local...
Attaching files to a field that is handled by Carrierwave uploaders (or maybe any other attachment solution for Rails) in...
Rails 7.1 added the normalizes method which can be used to normalize user input. It lets you define the fields...
Although you can access many symbols using the AltGr key you may be missing some, like the en-dash (–) or...
Is your application doing something expensive every few seconds? Maybe an animated slider that rotates images? Maybe you are updating...
Authentication is a special part of web applications. On the one hand, it usually is a crucial security mechanism restrict...
Some browsers render PNG images with color profiles and other shenanigans, some don't. The cleanest way to have consistent...
Recent IRB versions include a multi-line autocomplete which may be helpful to novice users but can be distracting.
...It's much easier to detect the current Rails environment instead. You might be better of checking against the name of the current Rails environment. To do this, store the...
Development environment setup Rails Composer Basically a comprehensive Rails Template. Prepares your development environment and lets you select web server...
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" ]
We structure our CSS using the BEM pattern. Our naming convention for blocks, elements and modifiers has evolved over the years. This card shows our current style and various alternative...
...not mix styles and be consistent within a given project. Current convention Our current BEM naming convention looks like this:
Note how the modifier just starts with a dash (-pro...
Rails' default logger prefixes each log entry with timestamp and tags (like request ID). For multi-line entries, only the...
Let the following setup: # my_model_spec.rb describe MyModel do it 'perfoms a test' it_behaves_like 'something shared' end # something_shared.rb shared_examples_for 'something shared' do it 'does something'
...a test' is spec/models/my_model_spec.rb[1:1]. The ID of the ExampleGroup created by it_behaves_like 'something shared' is spec/models/my_model_spec.rb[1:2] as it is the second ExampleGroup in the...
Creating records in specs can be so fast that two records created instantly after one another might have the same...
This card shows you how to center a float horizontally in CSS. Also: find out what techniques are available for...
Field error steps Spreewald's The...
...field should have an error and The...
...field should have the error...
...steps now...