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Compare object instances for equality by their attributes
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15 Answers
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class
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def process obj
process_hook obj
end
private
def process_state_1 obj
# ...
class << self
alias process_hook process_state_2
end
end
def process_state_2 obj
# ...
class << self
alias process_hook process_state_1
end
end
# Set up in...
How can I get the button that caused the submit from the form submit event?
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16 Answers
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What's the proper value for a checked attribute of an HTML checkbox?
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edited Nov 1 '17 at 15:59
community wiki
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Jquery mouseenter() vs mouseover()
... {
padding: 0 20px 20px 0;
background-color: #eee;
margin-bottom: 10px;
width: 90px;
overflow: hidden;
}
#my_div>div {
float: left;
margin: 20px 0 0 20px;
height: 25px;
width: 25px;
background-color: #aaa;
}
<script src="https://ajax.googleapis.com/ajax/libs...
Java time-based map/cache with expiring keys [closed]
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10 Answers
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When to use Common Table Expression (CTE)
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edited Nov 4 '16 at 13:38
Bentoy13
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an...
Does Git warn me if a shorthand commit ID can refer to 2 different commits?
If cee157 can refer to 2 different commit IDs, such as
2 Answers
2
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How to set a border for an HTML div tag
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Try being explicit about all the border properties. For example:
border:1px solid black;
See Border shorthand property. Although the other bits are optional some browsers don't set the width or colour to a default you'd expect. In your case I'd bet that it's the width that's zero unless speci...