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Remove last character from string. Swift language
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Asterisk in function call
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182
* is the "splat" operator: It takes a list as input, and expands it into actual positional argum...
Different ways of clearing lists
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362
Clearing a list in place will affect all other references of the same list.
For example, this m...
What optimizations can GHC be expected to perform reliably?
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+150
This GHC...
Inserting HTML elements with JavaScript
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124
Instead of directly messing with innerHTML it might be better to create a fragment and then ins...
Associativity of “in” in Python?
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123
1 in [] in 'a' is evaluated as (1 in []) and ([] in 'a').
Since the first condition (1 in [])...
Rails: Default sort order for a rails model?
...eRecord::Base
default_scope { order(created_at: :desc) }
end
For Rails 2.3, 3, you need this instead:
default_scope order('created_at DESC')
For Rails 2.x:
default_scope :order => 'created_at DESC'
Where created_at is the field you want the default sorting to be done on.
Note: ASC is...
Inverse dictionary lookup in Python
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answered Apr 2 '10 at 19:21
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
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How do you use String.substringWithRange? (or, how do Ranges work in Swift?)
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Rounding a double to turn it into an int (java)
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241
What is the return type of the round() method in the snippet?
If this is the Math.round() met...