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Why does Haskell's “do nothing” function, id, consume tons of memory?
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“Could not run curl-config: [Errno 2] No such file or directory” when installing pycurl
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Which Boost features overlap with C++11?
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Replaceable by C++11 language features or libraries
Foreach → range-based for
Functional/Forward → Perfect forwarding (with rvalue references, variadic templates and std::forward)
In Place Factory, Typed In Place Factory → Perfect forw...
Why is the shovel operator (
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Proof:
a = 'foo'
a.object_id #=> 2154889340
a << 'bar'
a.object_id #=> 2154889340
a += 'quux'
a.object_id #=> 2154742560
So << alters the original string rather than creating a new one. The reason for this is that in ruby a += b is syntact...
Difference between map and collect in Ruby?
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There's no difference, in fact map is implemented in C as rb_ary_collect and enum_collect (eg. t...
List of special characters for SQL LIKE clause
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For SQL Server, from http://msdn.microsoft.com/en-us/library/ms179859.aspx :
% Any string of zero or more characters.
WHERE title LIKE '%computer%' finds all book titles with the word 'computer' anywhere in the book title.
_ Any single character.
WHERE au_fname LIKE '_ean' finds all ...
What is the difference between fastcgi and fpm?
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edited Nov 12 '16 at 13:06
pevik
3,40222 gold badges2626 silver badges3333 bronze badges
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Declare slice or make slice?
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edited May 23 '17 at 12:34
Community♦
111 silver badge
answered Aug 28 '14 at 8:21
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Java; String replace (using regular expressions)?
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