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How do I run a Ruby file in a Rails environment?
...st way is with rails runner because you don't need to modify your script.
http://guides.rubyonrails.org/command_line.html#rails-runner
Just say rails runner script.rb
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What's the role of GetHashCode in the IEqualityComparer in .NET?
...Here is a nice article why and how to use IEqualtyComparer and GetHashCode http://dotnetperls.com/iequalitycomparer
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Twig for loop for arrays with keys
...{{ key }}: {{ user.username|e }}</li>
{% endfor %}
</ul>
http://twig.sensiolabs.org/doc/tags/for.html#iterating-over-keys
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foll...
Keyboard Interrupts with python's multiprocessing Pool
...()
pool.join()
Explanation and full example code can be found at http://noswap.com/blog/python-multiprocessing-keyboardinterrupt/ and http://github.com/jreese/multiprocessing-keyboardinterrupt respectively.
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What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java
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Seen this? The text of the page has some java interoperability remarks.
http://www.scala-lang.org/node/128
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jQuery If DIV Doesn't Have Class “x”
...r it
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.1/jquery.min....
How to find the type of an object in Go?
...ct.TypeOf(tst3))
}
Output:
Hello, playground
string
int
float64
see: http://play.golang.org/p/XQMcUVsOja to view it in action.
More documentation here: http://golang.org/pkg/reflect/#Type
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How can jQuery deferred be used?
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When using a Deferred as a mutex only, watch out for performance impacts (http://jsperf.com/deferred-vs-mutex/2). Though the convenience, as well as additional benefits supplied by a Deferred is well worth it, and in actual (user driven event based) usage the performance impact should not be notice...
How to detect the device orientation using CSS media queries?
...orientation:landscape) { … }
The CSS definition of a media query is at http://www.w3.org/TR/css3-mediaqueries/#orientation
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How do I force files to open in the browser instead of downloading (PDF)?
...indicate to the browser that the file should be viewed in the browser, the HTTP response should include these headers:
Content-Type: application/pdf
Content-Disposition: inline; filename="filename.pdf"
To have the file downloaded rather than viewed:
Content-Type: application/pdf
Content-Disposit...