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How to calculate the SVG Path for an arc (of a circle)
...rc1").setAttribute("d", describeArc(200, 400, 100, 0, 180));
and in your html
<path id="arc1" fill="none" stroke="#446688" stroke-width="20" />
Live demo
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How do I determine the current operating system with Node.js
...32"
You can read it's full documentation here: https://nodejs.org/api/os.html#os_os_type
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JavaScript implementation of Gzip [closed]
...Unicode strings correctly at http://pieroxy.net/blog/pages/lz-string/index.html (Thanks to pieroxy in the comments).
I don't know of any gzip implementations, but the jsolait library (the site seems to have gone away) has functions for LZW compression/decompression. The code is covered under the ...
How to get a complete list of ticker symbols from Yahoo Finance? [closed]
...mately comes from links reachable from this URL biz.yahoo.com/ic/ind_index.html (these additional URLs may also be useful: biz.yahoo.com/p/s_conameu.html, biz.yahoo.com/p/sum_conameu.html)
– richardr
May 4 '14 at 0:33
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AngularJS - Binding radio buttons to models with boolean values
... You mean the data- prefix I think... The data- prefix is to make the HTML valid (although without that also all modern browsers handle the HTML correctly)
– kumarharsh
Dec 19 '14 at 6:07
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How to pick a new color for each plotted line within a figure in matplotlib?
...1.5 in favor of this generalization: http://matplotlib.org/users/whats_new.html#added-axes-prop-cycle-key-to-rcparams
# cycler is a separate package extracted from matplotlib.
from cycler import cycler
import matplotlib.pyplot as plt
plt.rc('axes', prop_cycle=(cycler('color', ['r', 'g', 'b'])))
pl...
Should one call .close() on HttpServletResponse.getOutputStream()/.getWriter()?
...resp) throws ServletException, IOException {
resp.setContentType("text/html;charset=UTF-8");
PrintWriter out = resp.getWriter();
try {
throw new IOException("An error");
} finally {
// out.close();
}
}
}
The web.xml file contains:
<?xml version="1.0" encoding=...
Adding :default => true to boolean in existing Rails column
...ue, to: false
http://edgeguides.rubyonrails.org/active_record_migrations.html#changing-columns
Rails 4.2:
change_column_default :products, :approved, false
http://guides.rubyonrails.org/v4.2/active_record_migrations.html#changing-columns
Which is a neat way of avoiding looking through your m...
Why am I getting error for apple-touch-icon-precomposed.png
... GET "/apple-touch-icon-precomposed.png".
I've handled this and other non-HTML 404 requests in my ApplicationController as follows:
respond_to do |format|
format.html { render :template => "error_404", :layout => "errors", :status => 404 }
format.all { render :nothing => true, :sta...
Submitting a form by pressing enter without a submit button
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What a horrible hack :( why is HTML like this in the first place? Is there a good reason for enter not to work in this case?
– nornagon
Apr 10 '11 at 7:40
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