charlespeach

namespace :associate_users do
  desc "Update users external builder" do
    @users = User.where(:external_builder_id => nil)
    @users.each do |user|
      #associate ExternalBuilder with User
      unless user.lbp_number.blank?
        @builder = ExternalBuilder.where(:lbp_number => user.lbp_number.gsub("BP", "").to_i)
        if !@builder.blank?
          u.update_column(:external_builder_id, @builder)
        end

charlespeach

Sendmail

Checking Queue

sendmail -bp or mailq

to check whats in the sendmail queue

charlespeach

# gem "prawn", "0.8.4"
# Sometime there is no enough space for the last table row when it reaches the end of page

Prawn::Document.generate("text_group_overflow_question.pdf") do |pdf|
  add_page_break_if_overflow(pdf) do |pdf|
    # generating table here
    # ...
  end
end

charlespeach

gems = File.open(".gems")

gems.each do |gem|
  puts "Installing #{gem}"
	`gem install #{gem}`
end

charlespeach

Resetting user sessions

First check what type of session store your application is setup for

This config usually lives here: config/initializers/session_store.rb

ApplicationName::Application.config.session_store :cookie_store, key: '_application_name_session'

charlespeach

/*
 * Scaffolding
 * Basic and global styles for generating a grid system, structural layout, and page templates
 * ------------------------------------------------------------------------------------------- */

.container
Sets a width of 940px which also centres the content (clears floated elements before/after)

.container-fluid
Sets a minimum width of 940px (clears floated elements before/after)

charlespeach

#!/bin/sh

tables=$(psql database_name -A -t -c "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public';")

for table in $tables
do
echo "Granting select to username on $table"
psql database_name -c "GRANT SELECT ON $table to username;"
done

charlespeach

Atler owner of db

ALTER DATABASE name OWNER TO new_owner;

Create the user

postgres@hostname:~$ createuser
Enter name of role to add: username

charlespeach

# Hey @deadmau5, @nz_cub3y here. Wrote this for you.
#
# Running instructions
#   ruby come_to_nz_deadmau5.rb
# You can stop the process from running any time using Ctrl+C

# Tour setup
class Tour
  attr_accessor :year, :locations

charlespeach

# Add Swap

First check to see if you have swap enabled first `sudo swapon -s`, if not then:

```
sudo dd if=/dev/zero of=/swapfile bs=1024 count=256k
sudo mkswap /swapfile
sudo swapon /swapfile
echo "/swapfile       none    swap    sw      0       0 " | sudo tee --append /etc/fstab
echo 10 | sudo tee /proc/sys/vm/swappiness