Posts by user7654 • 31 points

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  Q: Direct printing on the door

  I need a VB.Net code to print directly to the port of a bead printer without using any driver windows. I add that my printer is connected by USB but in the future I needed to print on any type of…

  .net vb.net impression

  asked 11 years, 5 months ago user7654 31

• 1

  votes

  1

  answer

  976

  views

  Q: Postgresql - Add existing values for the current month

  Good staff I have a table with column dates of certain records. I know that to sum up the records of a given day: SELECT SUM(CAST(REPLACE(coluna1,',','.') AS DOUBLE PRECISION)) FROM tabela1 where…

  sql postgresql

  asked 11 years, 6 months ago user7654 31