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Generate array of all letters and digits
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[*('a'..'z'), *('0'..'9')] # doesn't work in Ruby 1.8
or
('a'..'z').to_a + ('0'..'9').to_a # works in 1.8 and 1.9
or
(0...36).map{ |i| i.to_s 36 }
(the Integer#to_s method converts a number to a string representing it in a des...
Mocha / Chai expect.to.throw not catching thrown errors
...ve to pass a function to expect. Like this:
expect(model.get.bind(model, 'z')).to.throw('Property does not exist in model schema.');
expect(model.get.bind(model, 'z')).to.throw(new Error('Property does not exist in model schema.'));
The way you are doing it, you are passing to expect the result o...
Difference between \A \z and ^ $ in Ruby regular expressions
...g on the regular expression for validation, you always want to use \A and \z. ^ and $ will only match up until a newline character, which means they could use an email like me@example.com\n<script>dangerous_stuff();</script> and still have it validate, since the regex only sees everythin...
Can a Windows batch file determine its own file name?
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answered Jan 10 '12 at 2:51
SLaksSLaks
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Multiple returns from a function
...ered Aug 10 '10 at 17:59
dockeryZdockeryZ
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Calculate the center point of multiple latitude/longitude coordinate pairs
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Is R's apply family more than syntactic sugar?
...nd since a variable's state depends on the history.
Edit:
Just to emphasize this with a trivial example that recursively calculates the Fibonacci sequence; this could be run multiple times to get an accurate measure, but the point is that none of the methods have significantly different performanc...
What's the difference between a proxy server and a reverse proxy server? [closed]
...client" computer on the internet
Y = the proxy web site, proxy.example.org
Z = the web site you want to visit, www.example.net
Normally, one would connect directly from X --> Z.
However, in some scenarios, it is better for Y --> Z on behalf of X,
which chains as follows: X --> Y --> Z...
How to use z-index in svg elements?
... x and y axis of the SVG viewport, SVG elements are also positioned on the z axis. The position on the z-axis defines the order that they are painted.
Along the z axis, elements are grouped into stacking contexts.
3.4.1. Establishing a stacking context in SVG
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Stacking context...
z-index not working with position absolute
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The second div is position: static (the default) so the z-index does not apply to it.
You need to position (set the position property to anything other than static, you probably want relative in this case) anything you want to give a z-index to.
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