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// Search and replace strings
grep -rl 'ZSH' ./ | xargs sed -i 's/ZSH/DOTFILES/g'

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Prime Numbers

Algorithms

• Python Implementation Using Numpy

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traceroute google.com

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blah 
{
 box-shadow: 0px 0px 0px 2px #000000;
 box-sizing: border-box;
}

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Array.prototype.diff = function(a) {
    return this.filter(function(i) {return a.indexOf(i) < 0;});
};

////////////////////  
// Examples  
////////////////////

[1,2,3,4,5,6].diff( [3,4,5] );  
// => [1, 2, 6]

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Header 1

Header 2

Header 3 ### (Hashes on right are optional)

Header 4

Header 5

Markdown plus h2 with a custom ID ## {#id-goes-here}

Link back to H2

This is a paragraph, which is text surrounded by whitespace. Paragraphs can be on one

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// Grep the PID
ps aux | grep jekyll

// List process by port
lsof -wni tcp:4000

// Kill the process
kill PID

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- http://stackoverflow.com/questions/184618/what-is-the-best-comment-in-source-code-you-have-ever-encountered

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// Upgrading Node.js via NPM

sudo npm cache clean -f
sudo npm install -g n
sudo n stable

// Checking Node.js version
node -v

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Text Entry Commands (Used to start text entry)

a Append text following current cursor position

A Append text to the end of current line

i Insert text before the current cursor position

I Insert text at the beginning of the cursor line