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Array to Hash Ruby
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a = ["item 1", "item 2", "item 3", "item 4"]
h = Hash[*a] # => { "item 1" => "item 2", "item 3" => "item 4" }
That's it. The * is called the splat operator.
One caveat per @Mike Lewis (in the comments): "Be very careful with this. Ruby expands splats on ...
How to find corresponding log files folder for a web site?
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user626528user626528
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rsync: difference between --size-only and --ignore-times
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4 Answers
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Active
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Preventing Laravel adding multiple records to a pivot table
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edited Jul 4 '17 at 14:33
answered Jul 4 '13 at 18:35
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Pandas: drop a level from a multi-level column index?
...tuples([("a", "b"), ("a", "c")])
>>> df = pd.DataFrame([[1,2], [3,4]], columns=cols)
>>> df
a
b c
0 1 2
1 3 4
[2 rows x 2 columns]
>>> df.columns = df.columns.droplevel()
>>> df
b c
0 1 2
1 3 4
[2 rows x 2 columns]
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SQL query to find record with ID not in another table
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John Woo
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answered Aug 21 '12 at 5:01
Prince JeaPrince Jea
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Inline code highlighting in reStructuredText
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214
Having looked into this some more I stumbled upon the document reStructuredText Interpreted Text...