slides.md

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#job_interview

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Interviewing sucks.

You get asked dumb questions, and are asked to perform stupid programmer tricks.

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#FizzBuzz

(Don't write it like this)

@@@ ruby def fizz_buzz(max) Array.new(max) do |i| j = i + 1 val = (j % 3 == 0 ? "Fizz" : "") + (j % 5 == 0 ? "Buzz" : "") val.empty? ? j.to_s : val end end

@@@

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#FizzBuzz

@@@ ruby

require 'job_interview'

ans = JobInterview::Answer.new
ans.fizz_buzz(5)

=> [1, 2, "Fizz", 4, "Buzz"]

@@@

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#Fibonacci

(iterative and recursive implementations!)

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#Fibonacci

@@@ ruby

ans.fib(10)

=> [1, 1, 2, 3, 5, 8, 13, 21, 34, 55]

@@@

!SLIDE

#Fibonacci Defaults to recursive. But we can also iterate!

@@@ ruby

ans.fib(10, :iterative)

=> [1, 1, 2, 3, 5, 8, 13, 21, 34, 55]

@@@

!SLIDE #Quine

@@@ ruby

ans.quine(__FILE__)

=> "ans.quine(__FILE__)"

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!SLIDE #Primes You want the first n primes? You get the first n primes!

@@@ ruby

ans.primes(10)

=> [2, 3, 5, 7, 11, 13, 17, 19, 23, 29]

@@@

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#Benefits

Saves time!

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#Benefits

It's easier than actually solving trivial problems yourself.

!SLIDE #Benefits

Demonstrate to prospective employers you use libraries to address solved problems, rather than re-inventing the wheel.

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Ok, they know I can code

Now what?

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Personality Questions

Everyone lies when they get asked these.

How awful would it be to actually have to confront your greatest weakness.

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- Fear of clowns

- Never feels loved

- Drinks too much

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SOLUTION

With the job_interview gem, you don't even have to bother thinking of BS.

include JobInterview::Questions

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Q. Where do you see yourself in five years?

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Q. Where do you see yourself in five years?

ruby-1.9.2-p290 :005 > in_5_years

=> "I'd love to have enhanced shareholder value by creating diverse logistical intranet."

=> "I'd like to made someone else rich with my multi-layered assymetric frame."

=> "I'd love to have enhanced shareholder value by creating enhanced contextually-based ability."

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Q. Why are you leaving your current position?

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Q. Why are you leaving your current position?

=> "I'm not happy with the opportunities I have to expedite B2B schemas."

=> "I'm leaving because I can't mesh vertical convergence."

=> "I'm leaving because I have to innovate out-of-the-box metrics." !SLIDE

Q. Why are manhole covers round?

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Q. Why are manhole covers round?

=> "Because Reuleaux Triangles are hard to manufacture."

=> "Because men are round."

=> "So they don't fall in."

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Q. What is your greatest weakness?

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Q. What is your greatest weakness?

ruby-1.9.2-p290 :027 > greatest_weakness

=> "Some times I work too much so I make too much money."

=> "I always care too much so I innovate too hard."

=> "I always fail so rarely so I shift too many paradigms."

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Q. Why do you want to work here?

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Q. Why do you want to work here?

ruby-1.9.2-p290 :051 > why_here

=> "Your company is re-inventing sharable mission-critical encryption."

=> "Your company has revolutionized optimized web-enabled alliance."

=> "Your company is renowned for secured multi-tasking customer loyalty."

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Q. Does P = NP?

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Q. Does P = NP?

ruby-1.9.2-p290 :075 > p_equals_np

=> "With our current models of computation, answering that question remains infeasible."

=> "If it does, we can kiss encryption goodbye."

=> "I doubt it, but it would make life easier for traveling salesmen."

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Will it work?

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Will it work?

We have excellent test coverage with RSpec, so we think it will.

@@@ ruby

def is_correct_answer(type, answer)
  if answer.respond_to? :wrong
    return false
  else
    return true
  end
end

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...

@@@ ruby

is_correct_answer.should be_true

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The real question

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• We wanted to hack on something trivial at BohConf
• Silly gems are fun
• We wanted to make a point about how inane most job interviews are.

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#Don't waste your time.

gem install job_interview

(Already downloaded > 160 times!)

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#Thanks for allowing us to waste your time.

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Micah Gates

@micahjgates

Jason Lewis

@canweriotnow

http://rubygems.org/gems/job_interview
https://github.com/ruby-jokes/job_interview