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  • Responsive iframe CSS

    NOTE: Looks like the soloution below will fix most videos but not YouTube. Check out this solution from CSS Tricks that uses a wrapper div around the iframe.


  • Arrays vs Hashes in Ruby

    This weekend I created a small, Ruby CRM application that stores contact information. You can check out my code on GitHub. While I was building this app, most people were using an array to store their contact information, but I wanted to use a Hash. I kew that theoretically Hashes are fster than Arrays, but I didn’t know why.


  • Mars Rover

    The Mars rover problem goes like this: you have write a program that can deploy rovers that will accept a series of commands to navigate a grid. The rover can only move forward or turn. It cannot move diagonally or move sideways. The rovers move through a grid aligned to the cardinal directions & the bottom left hand corner of the grid is (0, 0).


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