As expected, it’s relatively simple to configure Active Record to generate with
UUIDprimary key based migrations.
Here are the steps:
Setup the default generation inside
# config/application.rb module SampleApp class Application < Rails::Application ... # Change the primary key default type to UUIDs. config.generators do |g| g.orm :active_record, primary_key_type: :uuid end end end
In many times you may find yourself in need for optimzing rapidly a bunch of images in your hands. There are handy utility libraries that can help you reduce image sizes with simple commands in the terminal. The following lists some of these tools:
Get it for Mac OS X:
brew install optipng
For Linux Ubuntu:
apt-get install optipng
To optimize an image, run:
In the past week, I’v been deploying a Sinatra app to AWS Elastic Beanstalk. In development environment, everything was working just fine, but when I published the application and tested it in production, I encountered a weird problem in one of the templates that was supposed to be supporting uft-8 text without any issues.
The error was appearing in one of the
.erbview files that contains a
textareafield. When it is populated with a non English text at the server, the application crashes with 500 code. Here’s a fragment of the error stack trace:
Recently, I’ve read Oslen Russ’s “Eloquent Ruby” and it was delightful read overall.
The book has a considerable reputation among the community programmers. It’s divided into (4) units on Ruby foundations and the software process practices.