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How to get the original value of an attribute in Rails
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Copied from Lucas Andrade's answer below: https://stackoverflow.com/a/50973808/9359123
Appending _was is deprecated in rails 5.1, now you should append _before_last_save
Something like:
before_save object
do_something_with object.name_before_last_save
end
Will return the name value bef...
Ways to iterate over a list in Java
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edited Jan 30 at 15:22
Olivier
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answered Aug 23 '13 at 19:29
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Why {} + {} is NaN only on the client side? Why not in Node.js?
...] is an empty string, [] + {} is "[object Object]" , and {} + [] is 0 . Why is {} + {} NaN?
1 Answer
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Display string as html in asp.net mvc view
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170
You are close you want to use @Html.Raw(str)
@Html.Encode takes strings and ensures that all th...
How to change the font size on a matplotlib plot
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craymichael
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answered Oct 10 '10 at 11:49
Herman SchaafHerman Schaaf
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What events does an fire when it's value is changed?
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alex
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answered Oct 15 '10 at 7:30
Jacob Relkin...
How did this person code “Hello World” with Microsoft Paint?
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answered Apr 7 '11 at 23:08
Andrew GrimmAndrew Grimm
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Why is Cache-Control attribute sent in request header (client to server)?
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140
Cache-Control: no-cache is generally used in a request header (sent from web browser to server) ...
scopes with lambda and arguments in Rails 4 style?
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307
I think it should be:
scope :find_lazy, -> (id) { where(id: id) }
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How to reload apache configuration for a site without restarting apache
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olly_ukolly_uk
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