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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. Rub...
How to determine if one array contains all elements of another array
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a = [5, 1, 6, 14, 2, 8]
b = [2, 6, 15]
a - b
=> [5, 1, 14, 8]
b - a
=> [15]
(b - a).empty?
=> false
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How do I get the n-th level parent of an element in jQuery?
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268
Since parents() returns the ancestor elements ordered from the closest to the outer ones, you ...
What is the best java image processing library/approach? [closed]
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edited Jun 20 at 9:12
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answered Mar 5 '09 at 23:58
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How to disable python warnings
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426
There's the -W option.
python -W ignore foo.py
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Draw Circle using css alone [duplicate]
...You could use a .before with a content with a unicode symbol for a circle (25CF).
.circle:before {
content: ' \25CF';
font-size: 200px;
}
<span class="circle"></span>
I suggest this as border-radius won't work in IE8 and below (I recognize the fact that the suggestion...
C++ code file extension? .cc vs .cpp [closed]
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