rhombl4

# frozen_string_literal: true

# Shortcuts for ApplicationRecord class methods
class DB < ApplicationRecord
  # response = DB.q DB.s(['SELECT * FROM users WHERE name LIKE :name', name: params[:name]])
  #
  #   instead of
  #
  # query = 'SELECT * FROM users WHERE name LIKE :name'
  # sanitized_query = ApplicationRecord.sanitize_sql(query, name: params[:name])

rhombl4

ActiveRecord::Base.after_rollback do
  Rails.logger.info("Rollback happened! Class##{self.class.name}<--")
  Rails.logger.info(self&.attributes)
  # some additional details can be available at ActiveRecord::Base.connection.current_transaction
end

ActiveRecord::ConnectionAdapters::AbstractAdapter.set_callback :checkout, :after, ->(conn) {
  puts 'Connection taken from pool'
  puts conn.__id__
}

rhombl4

Disable HTML Form Input Autocomplete and Autofill

1. Add autocomplete="off" onto <form> element;
2. Add hidden <input> with autocomplete="false" as a first children element of the form.

<form autocomplete="off" method="post" action="">
    <input autocomplete="false" name="hidden" type="text" style="display:none;">
    ...

rhombl4

...

def view_helper
  Haml::Engine.new(<<~HAML).render(self)
    .form
      = form_tag root_path do
        = submit_tag :submit
  HAML
end
  

rhombl4

cat << \EOF > ~/.bash_profile
alias rails_pid='echo $(lsof -t -i:3000)'
alias kill_rails='kill -KILL $(rails_pid)'
EOF

source ~/.bash_profile

rhombl4

class Stack
    class Node
        attr_accessor :next, :data
        def initialize data
            self.data = data
            self.next = nil
        end
    end

    attr_accessor :head, :tail, :length

rhombl4

# CLOSURES IN RUBY     Paul Cantrell    https://innig.net
# Email: username "paul", domain name "innig.net"

# I recommend executing this file, then reading it alongside its output.
#
# Alteratively, you can give yourself an unreasonable Ruby test by deleting all
# the comments, then trying to guess the output of the code!
#
# (Naive HR departments, please do not use that idea as a hiring quiz.)

rhombl4

# TODO: need to improve by adding a filter for reference type "only-branch".
# Currently the result is all references including tags
#
git branch -D `git for-each-ref  --sort='-committerdate' --count=4 --format='%(refname:short)'`

rhombl4

```^.*rescue(\n|\ )(.|\n)*?(\ ){2,}nil\n(\ )*end$```

rhombl4

# This file will give you an opportunity to have a personal gemset and
# to enjoy your favourite gems without changing the application's Gemfile
# Usage:
# 1) copy this file to app folder
# 2) set your gems below
# 3) compile bundle `bundle install --gemfile=Gemfile.local`
# 4) Depending on what you want you can run it by different ways:
#   a) for running separate commands like rails-console:
#     `BUNDLE_GEMFILE=Gemfile.local bundle exec {{gem command}}`
#   b) global inside app: