15 lines
212 B
Markdown
15 lines
212 B
Markdown
# Playing with arrays
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## Check if all array elements are equals
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```ruby
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arr = [0, 0, 0, 0, 0, 0, 0]
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puts true if arr.uniq.length == 1
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```
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## Array includes a sub array
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```ruby
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(subarray & array) == array
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```
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