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Is there a library function for Root mean square error (RMSE) in python?
I know I could implement a root mean squared error function like this:
12 Answers
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Converting 'ArrayList to 'String[]' in Java
...gpost reveals that due to JVM optimizations, using new String[0] is better now.
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Rails: How can I set default values in ActiveRecord?
...||= build_address #let's you set a default association
end
end
Now you have just one place to look for initialization of your models. I'm using this method until someone comes up with a better one.
Caveats:
For boolean fields do:
self.bool_field = true if self.bool_field.nil?
See Pa...
How to get an array of specific “key” in multidimensional array without looping
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nice, now if there's a native function that is similar to function ($ar) {return $ar['id'];} return value of key that would be awesome! :-)
– ifaour
Nov 3 '11 at 12:26
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Error “The connection to adb is down, and a severe error has occurred.”
...is thrown while starting the ADB server, then ADB is started successfully.
Now you can start Eclipse again.
It worked for me this way.
Restart your phone as well!
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Remove CSS from a Div using JQuery
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@Aruna: I'm a little scared now - how are you putting the style on the element? If your CSS isn't in a stylesheet/block it's not CSS.
– annakata
Jun 5 '09 at 11:13
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Does C have a “foreach” loop construct?
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As you probably already know, there's no "foreach"-style loop in C.
Although there are already tons of great macros provided here to work around this, maybe you'll find this macro useful:
// "length" is the length of the array.
#define each(item, ...
One line if-condition-assignment
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Now I'm thinking that I should have answered 'num1 = 10 + 10*(someBoolValue == True)' Problem defined as the 'False' condition as a no-op basically. If it needed to be a choice of adding a different value for 'False' then th...
What does cherry-picking a commit with Git mean?
...ster branch, where you can for example add
functionality for release2.
NOW: You fix something in release1. Of course you need this fix also in master. And that is a typical use-case for cherry picking. So cherry pick in this scenario means that you take a commit from release1 branch and include ...
Converting HTML string into DOM elements? [duplicate]
...Dom = e.lastChild.childNodes; // the HTML converted into a DOM element :), now let's remove the
document.body.removeChild(e);
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