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Is there documentation for the Rails column types?
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Rails 3 migrations: Adding reference column?
...ge_table :testers do |t|
t.remove :user_id
end
end
end
c.f.: http://apidock.com/rails/ActiveRecord/ConnectionAdapters/SchemaStatements/change_table
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What's the point of map in Haskell, when there is fmap?
...
Quoting from the Functor documentation at https://wiki.haskell.org/Typeclassopedia#Functor
You might ask why we need a separate map function. Why not just do
away with the current list-only map function, and rename fmap to map
instead? Well, that’s a good q...
iPhone: Detecting user inactivity/idle time since last screen touch
...ose coupling, but you can add a delegate easily enough.
Here's the gist:
http://gist.github.com/365998
Also, the reason for the UIApplication subclass issue is that the NIB is setup to then create 2 UIApplication objects since it contains the application and the delegate. UIWindow subclass work...
In C# what is the difference between ToUpper() and ToUpperInvariant()?
...
Start with MSDN
http://msdn.microsoft.com/en-us/library/system.string.toupperinvariant.aspx
The ToUpperInvariant method is
equivalent to
ToUpper(CultureInfo.InvariantCulture)
Just because a capital i is 'I' in English, doesn't alwa...
Repeater, ListView, DataList, DataGrid, GridView … Which to choose?
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ReadOnlyCollection or IEnumerable for exposing member collections?
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CSS display:table-row does not expand when width is set to 100%
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Test if object implements interface
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PostgreSQL return result set as JSON array?
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