Created
July 19, 2016 17:45
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Interactive Ruby (Practice)
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| 2.3.0 :001 > def say_hi(name) | |
| 2.3.0 :002?> "Hi, #{name}" | |
| 2.3.0 :003?> end | |
| => :say_hi | |
| 2.3.0 :004 > say_hi("James") | |
| => "Hi, James" | |
| 2.3.0 :005 > | |
| 2.3.0 :006 > | |
| 2.3.0 :007 > myarray = [0,0,0,0] | |
| => [0, 0, 0, 0] | |
| 2.3.0 :008 > myarray | |
| => [0, 0, 0, 0] | |
| 2.3.0 :009 > my_array = [1,2,3,4,7,6] | |
| => [1, 2, 3, 4, 7, 6] | |
| 2.3.0 :010 > my_array.sort | |
| => [1, 2, 3, 4, 6, 7] | |
| 2.3.0 :011 > my_array | |
| => [1, 2, 3, 4, 7, 6] | |
| 2.3.0 :012 > my_array.sort! | |
| => [1, 2, 3, 4, 6, 7] | |
| 2.3.0 :013 > my_array | |
| => [1, 2, 3, 4, 6, 7] | |
| 2.3.0 :014 > my_array.each {|n| puts n} | |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 6 | |
| 7 | |
| => [1, 2, 3, 4, 6, 7] | |
| 2.3.0 :027 > Math.sqrt(1282) | |
| => 35.805027579936315 | |
| 2.3.0 :028 > Time.now | |
| => 2016-07-19 17:28:54 +0000 | |
| 2.3.0 :029 > Array.new(10, 'beessssst') | |
| => ["beessssst", "beessssst", "beessssst", "beessssst", "beessssst", "beessssst", "beessssst", "beessssst", "beessssst", "beessssst"] | |
| 2.3.0 :030 > include Math | |
| => Object | |
| 2.3.0 :031 > sqrt 64 | |
| => 8.0 | |
| 2.3.0 :032 > |
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