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GraphViz - How to connect subgraphs?
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The DOT user manual gives the following example of a graph with clusters with edges between cl...
Why is using the rails default_scope often recommend against?
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Problem 1
Lets consider the basic example:
class Post < ActiveRecord::Base
default_sco...
What is the usefulness of PUT and DELETE HTTP request methods?
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For the full specification visit:
http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html
Since current browsers unfortunately do not support any other verbs than POST and GET in HTML forms, you usually cannot utilize HTTP to it's full extent with them (you can still hijack their submission ...
invalid multibyte char (US-ASCII) with Rails and Ruby 1.9
I'm using Ruby 1.9.1 with Rails 2.3.4 My application is to handle text input
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maximum value of int
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edited Jan 17 '12 at 9:26
Oliver Hanappi
10.8k77 gold badges4747 silver badges6666 bronze badges
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Float vs Decimal in ActiveRecord
...esent a Float. It's like a scientific notation for binary (something like +1.43*10^2). Because of that, it is impossible to store fractions and decimals in Float exactly.
That's why there is a Decimal format. If you do this:
irb:001:0> "%.47f" % (1.0/10)
=> "0.100000000000000005551115123125...
Can I get Memcached running on a Windows (x64) 64bit environment?
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How do I get a human-readable file size in bytes abbreviation using .NET?
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How to pass parameters to a partial view in ASP.NET MVC?
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edited Oct 29 '13 at 15:01
Michał Powaga
19.7k66 gold badges4444 silver badges6060 bronze badges
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Most common way of writing a HTML table with vertical headers?
...in a table should contain an equal number of columns (TD). Your header has 1 while the body has 3. You should use the colspan attribute to fix that.
Reference: "The THEAD, TFOOT, and TBODY sections must contain the same number of columns." - Last paragraph of section 11.2.3.
With that being said, ...
