maebeale

# SQL challenge #6
# find authors who have no surveys

# In Rails:
Survey.where(author_id :1).empty?
-OR-
a = Author.find(1)
a.surveys.empty?
a.surveys.any?

maebeale

hash-happy pseudocode for text-based battleship game

based on rules from http://www.hasbro.com/common/instruct/battleship.pdf

---

• start_game

setup variables to simulate a grid

• grid_value = 8
• computer_squares = an empty hash

maebeale

export PS1="\[\e[00;34m\]\w\[\e[0m\]\[\e[00;37m\]\\$ \[\e[0m\]"

### HISTORY CONTROL
export HISTCONTROL="erasedups"
shopt -s histappend
export HISTFILESIZE=50000
export HISTSIZE=9999
export HISTIGNORE="&:[ ]*:exit:quit:bg:fg"

### GIT PROMPT

maebeale

namespace :books do                             #TODO create cron on heroku for regularly scheduled refreshes of data
  desc 'Rake task to get books file from web'
  task :getlivefile => :environment do
    open('https://raw.githubusercontent.com/vhf/free-programming-books/master/free-programming-books.md',
         'User-Agent' => 'freeshelf_app') do |free_books|
        rake books:parsefile                     #TODO will this line work???
      end                                        #TODO ck it out: http://stackoverflow.com/questions/577944/how-to-run-rake-tasks-from-within-rake-tasks
    end

  desc 'Rake task to get local books file'

maebeale

how to create rake task for importing from md (on web)

1. add new *.rake file to lib/tasks folder 
2. add new task(s) via task method & pass it a block
	a. add dependencies to show order, like this:

		task :taskname1 do
			dsfdfs
		end