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What is the Oracle equivalent of SQL Server's IsNull() function?
In SQL Server we can type IsNull() to determine if a field is null. Is there an equivalent function in PL/SQL?
4 Answers...
How do you get the width and height of a multi-dimensional array?
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You use Array.GetLength with the index of the dimension you wish to retrieve.
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jquery-ui sortable | How to get it work on iPad/touchdevices?
...d a solution (only tested with iPad until now!)!
http://touchpunch.furf.com/content.php?/sortable/default-functionality
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GROUP_CONCAT ORDER BY
...ASC) AS views,
group_concat(li.percentage ORDER BY li.percentage ASC)
FROM li GROUP BY client_id
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How to write multiple line property value using PropertiesConfiguration?
I have a properties file with a property with a List value (comma separated), how to write this property in a multi-line ? (backslash after the comma)?
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Regex how to match an optional character
I have a regex that I thought was working correctly until now. I need to match on an optional character. It may be there or it may not.
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Find the extension of a filename in Ruby
I'm working on the file upload portion of a Rails app. Different types of files are handled differently by the app.
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How to sort the result from string_agg()
... 9.0+ you can write:
select string_agg(product,' | ' order by product) from "tblproducts"
Details here.
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Is GridFS fast and reliable enough for production?
...S as storage for all user uploads, because it offers a lot of advantages compared to a normal filesystem storage.
5 Answers...
What is the difference between t.belongs_to and t.references in rails?
...es and t.belongs_to ?
Why are we having those two different words? It seems to me they do the same thing?
Tried some Google search, but find no explanation.
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