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Dynamically select data frame columns using $ and a character value

...and some variable names stored in a character vector cols . When I try to select a variable from mtcars using a dynamic subset of cols , nether of these work ...
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How do I create a PDO parameterized query with a LIKE statement?

... Figured it out right after I posted: $query = $database->prepare('SELECT * FROM table WHERE column LIKE ?'); $query->execute(array('value%')); while ($results = $query->fetch()) { echo $results['column']; } ...
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Return number of rows affected by UPDATE statements

...NOCOUNT ON added to prevent extra result sets from -- interfering with SELECT statements. SET NOCOUNT ON; DECLARE @RowCount1 INTEGER DECLARE @RowCount2 INTEGER DECLARE @RowCount3 INTEGER DECLARE @RowCount4 INTEGER UPDATE Table1 Set Column = 0 WHERE Column IS NULL SEL...
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%Like% Query in spring JpaRepository

...hars as well as a space char following like in your query, as in @Query("Select c from Registration c where c.place like %:place%"). Cf. http://docs.spring.io/spring-data/jpa/docs/current/reference/html. You may want to get rid of the @Queryannotation alltogether, as it seems to resemble the st...
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MYSQL Truncated incorrect DOUBLE value

... Same issue for me. A 'select * from t where id = 6503' worked okay but 'update t set a = "foo" where id = 6503' resulted in ERROR 1292 (22007): Truncated incorrect DOUBLE value: '234805557438#'. id looks like integer but was a varchar. Quoting th...
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SQLAlchemy IN clause

...3,456))).all() edit: Without the ORM, it would be session.execute( select( [MyUserTable.c.id, MyUserTable.c.name], MyUserTable.c.id.in_((123, 456)) ) ).fetchall() select() takes two parameters, the first one is a list of fields to retrieve, the second one is the where ...
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jQuery select all except first

In jQuery how do I use a selector to access all but the first of an element? So in the following code only the second and third element would be accessed. I know I can access them manually but there could be any number of elements so thats not possible. Thanks. ...
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Removing duplicate values from a PowerShell array

... Use Select-Object (whose alias is select) with the -Unique switch; e.g.: $a = @(1,2,3,4,5,5,6,7,8,9,0,0) $a = $a | select -Unique share | ...
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Open a folder using Process.Start

...er. (Thanks to @binki.) This solution won't work for opening a folder and selecting an item, since there doesn't seem a verb for that. share | improve this answer | follow ...
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Get size of all tables in database

... SELECT t.NAME AS TableName, s.Name AS SchemaName, p.rows, SUM(a.total_pages) * 8 AS TotalSpaceKB, CAST(ROUND(((SUM(a.total_pages) * 8) / 1024.00), 2) AS NUMERIC(36, 2)) AS TotalSpaceMB, SUM(a.used_pa...