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require 'uri'
require 'net/http'
require 'fileutils'

BASE = "http://openclassroom.stanford.edu/MainFolder/courses/HCI/videos/"

for l in 1..42 do

  for p in 1..20 do
    uri = "CS147L" + l.to_s + "P" + p.to_s + ".flv"

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Studying for a Tech Interview Sucks, so Here's a Cheat Sheet to Help

This list is meant to be a both a quick guide and reference for further research into these topics. It's basically a summary of that comp sci course you never took or forgot about, so there's no way it can cover everything in depth. It also will be available as a gist on Github for everyone to edit and add to.

Data Structure Basics

###Array ####Definition:

• Stores data elements based on an sequential, most commonly 0 based, index.
• Based on tuples from set theory.

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Modules

To understand modules, we first have to understand a little bit about how Ruby works. So, lets define the things that exist in Ruby and see how they work together. Then, we will be able to understand how modules fit into this, and what they are here for.

Definitions

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You can configure an individual repo to use a specific user / email address which overrides the global configuration. 
From the root of the repo, run

git config user.name "Your Name Here"
git config user.email your@email.com

whereas the default user / email is configured in your ~/.gitconfig

git config --global user.name "Your Name Here"
git config --global user.email your@email.com

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select
  a.id as article_id, m.template_id, a.url || a.external_id as url, m.country_code, m.language_code, m.wildcard_exclusion_locales
from obs.ARTICLE a, email.template_dms_map m
where a.id = m.dms_id and m.mapping_on = 1
      and regexp_like(m.template_id,'salesorder','i')
--   and a.id in (77068)
order by lower(external_id);

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Originally published in June 2008

When hiring Ruby on Rails programmers, knowing the right questions to ask during an interview was a real challenge for me at first. In 30 minutes or less, it's difficult to get a solid read on a candidate's skill set without looking at code they've previously written. And in the corporate/enterprise world, I often don't have access to their previous work.

To ensure we hired competent ruby developers at my last job, I created a list of 15 ruby questions -- a ruby measuring stick if you will -- to select the cream of the crop that walked through our doors.

What to expect

Candidates will typically give you a range of responses based on their experience and personality. So it's up to you to decide the correctness of their answer.

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Mac web developer apps

This gist's comment stream is a collection of webdev apps for OS X. Feel free to add links to apps you like, just make sure you add some context to what it does — either from the creator's website or your own thoughts.

— Erik

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=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')

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Try implementing a method called occurrences that accepts a string argument and uses inject to build a Hash. The keys of this hash should be unique words from that string. The value of those keys should be the number of times this word appears in that string.

def occurrences(str)
  word_hash = Hash.new(0)
  str.scan(/\w+/).inject(word_hash) do | number, word|
     number[word.downcase] += 1
     number
  end
end

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