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Find number of months between two Dates in Ruby on Rails
....year * 12 + date2.month) - (date1.year * 12 + date1.month)
more info at http://www.ruby-forum.com/topic/72120
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How to get a substring of text?
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Since you tagged it Rails, you can use truncate:
http://api.rubyonrails.org/classes/ActionView/Helpers/TextHelper.html#method-i-truncate
Example:
truncate(@text, :length => 17)
Excerpt is nice to know too, it lets you display an excerpt of a text Like so:
excerpt(...
Is it possible to make relative link to image in a markdown file in a gist?
...'m using syntax like this:

Here's an example:
https://github.com/mark-anders/relative-image-url
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What is the difference between Ruby 1.8 and Ruby 1.9
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
WAMP error: Forbidden You don't have permission to access /phpmyadmin/ on this server
...file are required).
System:
Windows 7
wampserver2.2d-x64
This works:
http://127.0.0.1/phpmyadmin/
This one fails:
http://localhost/phpmyadmin/
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SVG Positioning
... SVG Elements can also be grouped by nesting svg elements:
<svg xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink">
<svg x="10">
<rect x="10" y="10" height="100" width="100" style="stroke:#ff0000;fill: #0000ff"/>
</svg>
<svg x="200"&...
Reverse Y-Axis in PyPlot
I have a scatter plot graph with a bunch of random x, y coordinates. Currently the Y-Axis starts at 0 and goes up to the max value. I would like the Y-Axis to start at the max value and go up to 0.
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Convert String array to ArrayList [duplicate]
I want to convert String array to ArrayList . For example String array is like:
5 Answers
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erb, haml or slim: which one do you suggest? And why? [closed]
...aml:
Slim is currently about eight times faster than haml.
Slim supports HTTP streaming, while HAML doesn't.
Slim has a more natural syntax: a href="foo.html"
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Why doesn't java.util.Set have get(int index)?
I'm sure there's a good reason, but could someone please explain why the java.util.Set interface lacks get(int Index) , or any similar get() method?
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