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How do I calculate the normal vector of a line segment?

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sqlalchemy flush() and get inserted id?

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In JavaScript, is returning out of a switch statement considered a better practice than using break?

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How to find the key of the largest value hash?

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How to get evaluated attributes inside a custom directive

...should wrap it in quotes. (See 3rd input) Here is the fiddle to play with: http://jsfiddle.net/neuTA/6/ Old Answer: I'm not removing this for folks who can be misled like me, note that using $eval is perfectly fine the correct way to do it, but $parse has a different behavior, you probably won't nee...
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What is the difference between include and extend in Ruby?

...l the other answers are good, including the tip to dig through RubySpecs: https://github.com/rubyspec/rubyspec/blob/master/core/module/include_spec.rb https://github.com/rubyspec/rubyspec/blob/master/core/module/extend_object_spec.rb As for use cases: If you include module ReusableModule in clas...
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Set folder browser dialog start location

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How can I initialize an ArrayList with all zeroes in Java?

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Get generated id after insert

...ast_insert_rowid function to return an id. According to the documentation: https://www.sqlite.org/c3ref/last_insert_rowid.html The row id is the hidden column or a column of type INTEGER PRIMARY KEY if it's declared. Each entry in most SQLite tables (except for WITHOUT ROWID tables) has a unique...
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What is the difference between setUp() and setUpClass() in Python unittest?

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