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SEi55 - Week 11

SLL solutions

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Part 1

GROUP A

• What is Rails?
• What is MVC and what are the components of Rails MVC?
• Explain the different variable scopes in Ruby
• Name a few object-oriented concepts in Ruby
• How would I execute some code for each element in a collection?
• What is meant by convention over configuration?

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Interview Questions 2

GROUP A

• What is a destructive method?
• What is the Ruby convention for naming methods?
• What are filters in Rails? Give some examples.
• Provide an example showing how an iterator is used
• What is the difference between an argument and a parameter?

GROUP B

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Interview Questions 1

GROUP A

• What is Rails?
• What is MVC and what are the components of Rails MVC?
• Explain the different variable scopes in Ruby
• Name a few object-oriented concepts in Ruby
• How would I execute some code for each element in a collection?

GROUP B

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GROUP A

• What is Rails?
• What is MVC and what are the components of Rails MVC?
• Explain the different variable scopes in Ruby
• Name a few object-oriented concepts in Ruby

GROUP B

• How would I execute some code for each element in a collection?
• What is meant by convention over configuration?
• What are the Rails naming conventions?

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OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

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Solution

//top:
app.numCubes = 1000;
app.cubeDistribution = 300;

app.createCubes = function( cubeCount, placementRange ){

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// three.js codealong 

var app = app || {};

app.step = 0;

app.cameraPositionIndex = 0;

app.controller = {
  rotationSpeed: 0.02,