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How to use GROUP BY to concatenate strings in SQL Server?
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[Note: This solution only works on SQL 2005 and later. Original question didn't specify the version in use.]
CREATE TABLE #YourTable ([ID] INT, [Name] CHAR(1), [Value] INT)
INSERT INTO #YourTable ([ID],[Name],[Value]) VALUES (1,'A',4)
INSERT INTO #YourTable ([ID],[Name],[Value]) VALUES (1,'B',8)
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Query to list number of records in each table in a database
...ceMB
FROM
sys.tables t
INNER JOIN
sys.indexes i ON t.OBJECT_ID = i.object_id
INNER JOIN
sys.partitions p ON i.object_id = p.OBJECT_ID AND i.index_id = p.index_id
INNER JOIN
sys.allocation_units a ON p.partition_id = a.container_id
WHERE
t.NAME NOT LIKE 'dt%' AND
i.O...
How do I perform an insert and return inserted identity with Dapper?
How do I perform an insert to database and return inserted identity with Dapper?
7 Answers
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Cast an instance of a class to a @protocol in Objective-C
...c is a UIViewController object that conforms to MyProtocol", whereas using id <MyProtocol> translates to "vc is an object of an unknown class that conforms to MyProtocol".
This way the compiler will give you proper type checking on vc - the compiler will only give you a warning if any method ...
Rails params explained?
... Rails has a special syntax for making the params be a hash with hashes inside. For example, if the user's browser requested
http://www.example.com/?vote[item_id]=1&vote[user_id]=2
then params[:vote] would be a hash, params[:vote][:item_id] would be "1" and params[:vote][:user_id] would be "2...
XPath to find elements that does not have an id or class
How can I get all tr elements without id attribute?
4 Answers
4
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How can I get device ID for Admob
I'm using Eclipse to develop applications for android, and I want to integrate Admob to make money.
The tutorial says I should watch the LogCat to find ID, but where is it?
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Cannot truncate table because it is being referenced by a FOREIGN KEY constraint?
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DELETE FROM TABLENAME
DBCC CHECKIDENT ('DATABASENAME.dbo.TABLENAME',RESEED, 0)
Note that this isn't probably what you'd want if you have millions+ of records, as it's very slow.
s...
How can I pass selected row to commandLink inside dataTable or ui:repeat?
...ws, I want the user to be able to directly execute various actions on individual rows. For that, I have several <p:commandLink> s in the last column.
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MySQL COUNT DISTINCT
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Select
Count(Distinct user_id) As countUsers
, Count(site_id) As countVisits
, site_id As site
From cp_visits
Where ts >= DATE_SUB(NOW(), INTERVAL 1 DAY)
Group By site_id
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