I am RJ Dellecese, and this is my blog.

Keeping Test Data In Context -

The problem with ex_machina and similar test data creation patterns, and why you should only ever manipulate data (whether in test or production) via contexts.

Native Elm Datepicker -

When browser support for date input types was worse (or non-existent), JavaScript datepickers were a common solution if you needed to allow a user to enter a date on a form. These days, browser support is much better, making native browser datepickers a much more viable option.