Let's say you have a form that you render a few times but you would like to customize your...

When localizing model attributes via I18n you may run into errors like this: I18n::InvalidPluralizationData: translation data {...

...} can not be...

api.rubyonrails.org

Rails 5 (don't know about the others) comes with an initializer wrap_parameters.rb. Here you can tell rails to wrap...

github.com

When storing a file with Carrierwave, it is always cached prior to actually storing it (to support form roundtrips).

When filling out forms in Selenium tests, Chrome shows the (usual) bubble, asking to store those credentials. While the bubble...

Some pseudo-elements need to be addressed with vendor prefixes. E.g. ::selection is not supported by Firefox, you need to...

There are various ways to run external commands from within Ruby, but the most powerful ones are Open3.capture3 and Open3.popen3...

First find the reference for the entry you want through looking at the stash: $ git stash list stash@{0}: WIP...

smashingmagazine.com

A comprehensive introduction to sending HTML emails. Intro: HTML email: Two words that, when combined, brings tears to a developer...

In general, you should not put a block element inside an inline element. So don't do this: text

Building plain text emails with an .erb template doesn't allow you to indent code like you normally do in...

This card tries to summarize by example the different uses of heredoc. In Ruby << vs. <<- vs. <<~ In Rails strip_heredoc...

TL;DR Debugging problems with javascript errors in cucumber tests is sometimes easier in the browser. Run the test, stop...

clipboardjs.com

We used zeroclipboard.js in some of our projects but now we switched to clipboard.js because it does not rely on...

makandra dev
github.com

Improve geordi cucumber: Only attempt @solo run when the specified files contain the @solo tag, skip @solo run if any...

When building a web application, one is tempted to claim it "done" too early. Make sure you check this list...

So you downloaded a theme for Chrome a while ago and don't remember which one it is?

to create a Gallery that has a name and has_many :images, which in turn have a...

jqueryui.com

UI sortable helps reordering items with drag 'n drop. It works quite fine. Proven configuration for sorting table rows

developer.mozilla.org

When building a form with a file select field, you may want to offer your users a live preview before...

To upload a file via AJAX (e.g. from an ) you need to wrap your params in a FormData object.

Our preferred way of testing ActiveRecord is to simply create/update/destroy the record and then check if the expected behavior has...

There are a million ways to center s or text in CSS, horizontally or vertically. All the ways are unsatisfying...

Once Rails knows a given string is html_safe, it will never escape it. However, there may be times when...