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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...
convert pfx format to p12
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How do I run a single test with Nose in Pylons
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Hibernate lazy-load application design
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Can I call memcpy() and memmove() with “number of bytes” set to zero?
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What is the difference between Culture and UICulture?
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Why am I getting an OPTIONS request instead of a GET request?
...SON.stringify(formData);
$.ajax({
type: "POST",
url: "https://website.com/path",
data: formData,
success: function() { ... },
dataType: "text",
contentType : "text/plain"
});
}
...
How to push new branch without history
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Copy all files with a certain extension from all subdirectories
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Check if a table exists in Rails
...e available in Rails 5:
drop_table :kittens, if_exists: true
Reference: https://github.com/rails/rails/pull/16366
And here's the Rails 5 ActiveRecord's CHANGELOG:
Introduce the :if_exists option for drop_table.
Example:
drop_table(:posts, if_exists: true)
That would execute:
DRO...