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How do I rename all files to lowercase?
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Should I use .done() and .fail() for new jQuery AJAX code instead of success and error
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Loading custom configuration files
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246
the articles posted by Ricky are very good, but unfortunately they don't answer your question.
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What are the differences between vector and list data types in R?
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IRTFMIRTFM
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Pull to refresh UITableView without UITableViewController
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465
Add a refresh control directly to a UITableView without using a UITableViewController:
overri...
What does flushing the buffer mean?
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edited Feb 14 '16 at 3:57
Chin
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How to assign an exec result to a sql variable?
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answered Feb 11 '10 at 16:41
KM.KM.
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Using app.configure in express
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It is optional and remain for legacy reason, according to the doc.
In your example, the two piec...
Rails where condition using NOT NIL
...h Rails 3:
Foo.includes(:bar).where("bars.id IS NOT NULL")
ActiveRecord 4.0 and above adds where.not so you can do this:
Foo.includes(:bar).where.not('bars.id' => nil)
Foo.includes(:bar).where.not(bars: { id: nil })
When working with scopes between tables, I prefer to leverage merge so that...