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postgresql return 0 if returned value is null
... AND COALESCE( price, 0 ) > ( SELECT AVG( COALESCE( price, 0 ) )* 0.50
FROM ( SELECT *, cume_dist() OVER ( ORDER BY price DESC )
FROM web_price_scan
WHERE listing_Type='A...
How to get Core Data object from specific Object ID?
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rgeorgergeorge
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How do I see the current encoding of a file in Sublime Text?
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547
Since this thread is a popular result in google search, here is the way to do it for sublime t...
Can I Set “android:layout_below” at Runtime Programmatically?
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465
Yes:
RelativeLayout.LayoutParams params= new RelativeLayout.LayoutParams(ViewGroup.LayoutParams...
Adding 'serial' to existing column in Postgres
...INSERT INTO foo (a, b) SELECT i, 'foo ' || i::text FROM generate_series(1, 5) i;
INSERT INTO bar (b) SELECT 'bar ' || i::text FROM generate_series(1, 5) i;
-- blocks of commands to turn foo into bar
CREATE SEQUENCE foo_a_seq;
ALTER TABLE foo ALTER COLUMN a SET DEFAULT nextval('foo_a_seq');
ALTER TA...
Webrick as production server vs. Thin or Unicorn?
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5 Answers
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Active
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Vim: How to insert in visual block mode?
...ered Sep 13 '12 at 4:49
ovatsug25ovatsug25
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Getting result of dynamic SQL into a variable for sql-server
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DECLARE @sqlCommand nvarchar(1000)
DECLARE @city varchar(75)
declare @counts int
SET @city = 'New York'
SET @sqlCommand = 'SELECT @cnt=COUNT(*) FROM customers WHERE City = @city'
EXECUTE sp_executesql @sqlCommand, N'@city nvarchar(75),@cnt int OUTPUT', @city = @city, @cnt=@counts OU...
regex.test V.S. string.match to know if a string matches a regular expression
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450
Basic Usage
First, let's see what each function does:
regexObject.test( String )
Executes...