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How to sort a Ruby Hash by number value?
...
metrics = {"sitea.com" => 745, "siteb.com" => 9, "sitec.com" => 10 }
metrics.sort_by {|_key, value| value}
# ==> [["siteb.com", 9], ["sitec.com", 10], ["sitea.com", 745]]
If you need a hash as a result, you can use to_h (in Ruby 2.0+)
metrics.sort_by {|_key, value| value}.to_h
# ...
How do I parse a YAML file in Ruby?
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Nathan
10.2k1212 gold badges4848 silver badges6262 bronze badges
answered Oct 6 '10 at 22:21
Mike WoodhouseMi...
How to put an image in div with CSS?
...v>
and in CSS :
div.image {
content:url(http://placehold.it/350x150);
}
you can try it on this link :
http://jsfiddle.net/XAh2d/
this is a link about css content
http://css-tricks.com/css-content/
This has been tested on Chrome, firefox and Safari. (I'm on a mac, so if someone ha...
How do I sort a list by different parameters at different timed
... int result = option.compare(o1, o2);
if (result != 0) {
return result;
}
}
return 0;
}
};
}
}
An example of usage (with a static import).
public static void main(String[] ar...
Why did Bootstrap 3 switch to box-sizing: border-box?
I'm migrating my Bootstrap themes from v2.3.2 to v3.0.0 and one thing I noticed is that a lot of dimensions are calculated differently, due to the following styles in bootstrap.css.
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How to make my layout able to scroll down?
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Just wrap all that inside a ScrollView:
<?xml version="1.0" encoding="utf-8"?>
<ScrollView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<!-- Here you put the rest of your cur...
How can I validate a string to only allow alphanumeric characters in it?
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10 Answers
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How to redirect cin and cout to files?
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answered Apr 14 '12 at 5:30
NawazNawaz
316k9999 gold badges611611 silver badges799799 bronze badges
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Android: create a popup that has multiple selection options
...cked on colors[which]
}
});
builder.show();
The output (on Android 4.0.3):
(Background map not included. ;))
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Testing whether a value is odd or even
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Use modulus:
function isEven(n) {
return n % 2 == 0;
}
function isOdd(n) {
return Math.abs(n % 2) == 1;
}
You can check that any value in Javascript can be coerced to a number with:
Number.isFinite(parseFloat(n))
This check should preferably be done outside the isEv...