Are you using the virtual profile for any reason other than this find? Your virtual really just specifies a number of fields, nothing more dynamic, so if you are just trying to select fields in the query I would stick with that (.select('username name role')).
Select the first letter. r - Rvest extract option value and text from select - Stack Overflow.
and. f '(x) < 0. when. x > 0 (x ≠ 1), f.
...(select 1 FROM(select count(*),concat((select (select concat(session_id)) FROM jml_session LIMIT 0,1),floor(rand(0)*2))x FROM
Book Titles Search. Select the first letter.
In the first section, I’d like to show you some tools that can help you identify them.
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In this chapter we’ll pay attention to separate these two notions, to see how to work with them, when they are the same, and when they are different.
В следующем примере команда DECLARE объявляет две переменные, одна из которых задается командой SELECT, а другая — командой SET. Затем происходит чтение и вывод значения обеих переменных