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How do I convert an HttpRequestBase into an HttpRequest object?
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edited Sep 21 '09 at 1:54
answered Sep 21 '09 at 1:44
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Graphviz: How to go from .dot to a graph?
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11 Answers
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Which Radio button in the group is checked?
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12 Answers
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How do I specify a password to 'psql' non-interactively?
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154
From the official documentation:
It is also convenient to have a ~/.pgpass file to avoid r...
Do Java arrays have a maximum size?
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188
Haven't seen the right answer, even though it's very easy to test.
In a recent HotSpot VM, th...
Search and replace in bash using regular expressions
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Use sed:
MYVAR=ho02123ware38384you443d34o3434ingtod38384day
echo "$MYVAR" | sed -e 's/[a-zA-Z...
django test app error - Got an error creating the test database: permission denied to create databas
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edited Jan 7 '19 at 21:15
answered Jan 6 '13 at 20:31
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Validate uniqueness of multiple columns
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You can scope a validates_uniqueness_of call as follows.
validates_uniqueness_of :user_id, :sc...
Removing a model in rails (reverse of “rails g model Title…”)
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bundle exec rake db:rollback
rails destroy model <model_name>
When you generate a ...
How to convert an enum type variable to a string?
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