Created
January 11, 2014 19:33
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Code_Snippets_From_General_Assembly
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# Ruby_Arrays | |
days = ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"] | |
days.pop | |
days.unshift("Sunday") | |
puts days | |
============================================================================ | |
Write code that would add the number 7 to "Erik's" favorite numbers. | |
users = { | |
"Jonathan" => { | |
:twitter => "tronathan", | |
:favorite_numbers => [12, 42, 75], | |
}, | |
"Erik" => { | |
:twitter => "sferik", | |
:favorite_numbers => [8, 12, 24], | |
}, | |
"Tripta" => { | |
:twitter => "triptagupta", | |
:favorite_numbers => [12, 14, 85], | |
}, | |
} | |
# users["Erik"][:favorite_numbers] << (8000) Alternate_Answer using "<<" | |
users["Erik"][:favorite_numbers].push(100) | |
puts users | |
============================================================================ | |
Write code that would add yourself to the users hash. | |
users = { | |
"Jonathan" => { | |
:twitter => "tronathan", | |
:favorite_numbers => [12, 42, 75], | |
}, | |
"Erik" => { | |
:twitter => "sferik", | |
:favorite_numbers => [8, 12, 24], | |
}, | |
"Tripta" => { | |
:twitter => "triptagupta", | |
:favorite_numbers => [12, 14, 85], | |
}, | |
} | |
users["Jackson"] = {:twitter => "Tweet", :favorite_numbers => [10, 20]} | |
users["Daniel"] = {:facebook => "Face", :favorite_numbers => [1000, 200]} | |
puts users | |
============================================================================ | |
Write code that returns the array of "Erik's" favorite numbers. | |
users = { | |
"Jonathan" => { | |
:twitter => "tronathan", | |
:favorite_numbers => [12, 42, 75], | |
}, | |
"Erik" => { | |
:twitter => "sferik", | |
:favorite_numbers => [8, 12, 24], | |
}, | |
"Tripta" => { | |
:twitter => "triptagupta", | |
:favorite_numbers => [12, 14, 85], | |
}, | |
} | |
puts users["Erik"][:favorite_numbers] | |
============================================================================ | |
Write code that returns the smallest of "Erik's" favorite numbers. | |
users = { | |
"Jonathan" => { | |
:twitter => "tronathan", | |
:favorite_numbers => [12, 42, 75], | |
}, | |
"Erik" => { | |
:twitter => "sferik", | |
:favorite_numbers => [8, 12, 24], | |
}, | |
"Tripta" => { | |
:twitter => "triptagupta", | |
:favorite_numbers => [12, 14, 85], | |
}, | |
} | |
puts users["Erik"][:favorite_numbers].min | |
============================================================================ | |
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