satendra02

FROM ruby:2.3.1

# Install dependencies
RUN apt-get update -qq && apt-get install -y build-essential libpq-dev nodejs

# Set an environment variable where the Rails app is installed to inside of Docker image:
ENV RAILS_ROOT /var/www/app_name
RUN mkdir -p $RAILS_ROOT

# Set working directory, where the commands will be ran:

erickpatrick

# remove current vim
sudo apt-get remove --purge vim vim-runtime vim-gnome vim-tiny vim-gui-common

# removes current link for vim
sudo rm -rf /usr/local/share/vim /usr/bin/vim

# add ppa for newest version of ruby (currently, as of 06/06/2017, ruby v2.4)
sudo apt-add-repository ppa:brightbox/ruby-ng
sudo apt-get update

michaelfairley

Immutable Ruby

Libraries I talked about

• ice_nine: Deep freeze ruby objects
• Values: Simple immutable value objects for ruby
• immutable_attributes: specify attributes within an ActiveRecord model that can be set but not modified
• hamster: Efficient, Immutable, Thread-Safe Collection classes for Ruby

Next Steps

MohamedAlaa

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

joelverhagen

This is a plugin meant for Jekyll.

Example use:

Easily embed a YouTube video. Just drop this file in your _plugins directory.

{% youtube oHg5SJYRHA0 %}