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Perl code - pipe "|" in `open()` statement

That stray | is a way of Perl of saying that you want the output of that command to be made available to your program. There are several equivalent forms.

Take a look here: open - Specially at the line that says:

open(FOO, "cat -n '$file'|");

Categories : Perl

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How to use sybase in built function with prepared statement insert statement?
Try using below code : insert into dbase..tempTable(Column1, Column2, Column3) select isnull(?,'X'),isnull(?,'Y'),cast(? as numeric(31,11)) pst.setString(1,str); pst.setString(2,str2); pst.setString(3,100); Hope this helps :)

Categories : Java
Syntax for MySQL SELECT statement with a subquery within the IF statement
You need a something before the subselect: SELECT * FROM Products WHERE Color = 'Black' AND IF (Item = 'Dresses' ?? (SELECT * FROM Products WHERE Price < '$300'), 1, 0) = 1 --------------------------^ I am not quite sure what, because there are many other problems, such as: Using * where a scalar subquery is expected. Using '$300' to presumably compare against a number. (Or worse, st

Categories : Mysql
jsp command <%=%> being ignored when it is used in a Javascript statement, inside a taglib tag statement?
Here's a bit of a cheat solution, you dont need the JSP tag in that JS call. In fact, it's tidier this way <jam:text onmousedown="movePage(;" id="<%=targetPage%>"><%=targetPage%></jam:text>

Categories : Java
Enquiry Form in MYSQL. IF statement within a mysql select statement, if field is empty, left join to get the replacement value
Use ISNULL function. SELECT ISNULL((SELECT name FROM a_table WHERE user_id = @usr), (SELECT name FROM i_user WHERE user_id = @usr)) AS name, ISNULL((SELECT [address] FROM a_table WHERE user_id = @usr), (SELECT [address] FROM i_user WHERE user_id = @usr)) AS a_address FROM DUAL Or use a left outer join: SELECT ISNULL(, AS name, ISNULL(t1.address, t2.a

Categories : Mysql
Yes. This is called a scalar subquery and it needs to return one column and one row: (CASE WHEN dsp_priority = '1' THEN (SELECT ui.uvi_value FROM PUB.universalinfo ui WHERE ui.uvi_key = 'DSP01SHORT') END) as NewCol I strongly encourage you to use table aliases on your column references.

Categories : Mysql
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