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What do you call the -> operator in Ruby?
... lambda defined using -> is called lambda literal.
succ = ->(x){ x+1 }
succ.call(2)
The code is equivalent to the following one.
succ = lambda { |x| x + 1 }
succ.call(2)
Informally, I have heard it being called stabby lambda or stabby literal.
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Regular expression \p{L} and \p{N}
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168
\p{L} matches a single code point in the category "letter".
\p{N} matches any kind of num...
Inspecting standard container (std::map) contents with gdb
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answered Jan 9 '09 at 10:31
jpalecekjpalecek
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Apply pandas function to column to create multiple new columns?
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Convert list to tuple in Python
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edited Jul 4 '16 at 18:37
Peter Mortensen
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How to generate a random number between a and b in Ruby?
To generate a random number between 3 and 10, for example, I use: rand(8) + 3
8 Answers
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How to trace the path in a Breadth-First Search?
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You sho...
An error occurred while installing pg (0.17.1), and Bundler cannot continue
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Ruby Bundle Symbol not found: _SSLv2_client_method (LoadError)
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Set value of hidden input with jquery
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130
You should use val instead of value.
<script type="text/javascript" language="javascript"&...