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grepping using the “|” alternative operator
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answered Jul 21 '11 at 12:21
Jeff FosterJeff Foster
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Create array of symbols
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The original answer was written back in September '11, but, starting from Ruby 2.0, there is a shorter way to create an array of symbols! This literal:
%i[address city state postal country]
will do exactly what you want.
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Using current time in UTC as default value in PostgreSQL
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FWIW, running this query in PostgreSQL 11.5: ALTER TABLE testcase_result ADD COLUMN date_created TIMESTAMP WITHOUT TIME ZONE DEFAULT (NOW() AT TIME ZONE "UTC") NOT NULL; fails with: ERROR: column "UTC" does not exist. Make sure 'utc' is all lower-case.
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Compare dates in MySQL
...om players
where
us_reg_date between '2000-07-05'
and
DATE_ADD('2011-11-10',INTERVAL 1 DAY)
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Incompatible implicit declaration of built-in function ‘malloc’
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answered Aug 13 '11 at 13:50
cnicutarcnicutar
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Regular expression for exact match of a string
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Community♦
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answered Apr 22 '11 at 6:29
user237419user237419
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What is the 
 character?
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answered Apr 4 '11 at 16:10
Justin NiessnerJustin Niessner
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How does std::move() transfer values into RValues?
... even mean and how can it bind to lvalue?
To allow perfect forwarding, C++11 standard provides special rules for reference collapsing, which are as follows:
Object & & = Object &
Object & && = Object &
Object && & = Object &
Object && &&a...
What's wrong with this 1988 C code?
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edited Dec 27 '11 at 3:33
answered Dec 27 '11 at 3:20
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Django in / not in query
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edited Apr 11 '19 at 7:25
Olivier Pons
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