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Regular expression for a string containing one word but not another
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answered Jun 1 '10 at 20:26
KobiKobi
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How can I change the color of a Google Maps marker?
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answered Mar 18 '10 at 20:00
KevinKevin
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Simple logical operators in Bash
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700
What you've written actually almost works (it would work if all the variables were numbers), bu...
Get value from NSTextField
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edited Jan 2 '15 at 6:08
jscs
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answered...
CSS file not opening in Visual Studio 2010 SP1?
I am unable to open CSS files in Visual Studio 2010 after adding to a project.
4 Answers
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how to listen to N channels? (dynamic select statement)
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edited Feb 29 at 11:09
Zac
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answered Nov 15 '13 at 2:37
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What are the Ruby Gotchas a newbie should be warned about? [closed]
...s.
To denote floating point numbers, one must follow with a zero digit (99.0) or an explicit conversion (99.to_f). It is insufficient to append a dot (99.), because numbers are susceptible to method syntax.
Boolean evaluation of non-boolean data is strict: 0, "" and [] are all evaluated to true. In ...
Why do we have map, fmap and liftM?
... see an error about lists than about Functors.
-- Typeclassopedia, page 20
fmap and liftM exist because monads were not automatically functors in Haskell:
The fact that we have both fmap and liftM is an
unfortunate consequence of the fact that the Monad type class does not require
a Funct...
How to export all data from table to an insertable sql format?
...(call it A_db ) in Microsoft SQL Server Management Studio, and there are 10 rows.
6 Answers
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IN vs OR in the SQL WHERE Clause
... your specific data to see which is faster.
I tried both on a MySQL with 1000000 rows. When the column is indexed there is no discernable difference in performance - both are nearly instant. When the column is not indexed I got these results:
SELECT COUNT(*) FROM t_inner WHERE val IN (1000, 2000, ...