Posts by Rayra • 5 points

• -1

  votes

  2

  answers

  56

  views

  Q: update from a vehicle plate code

  I have 4 tables, the problem is that I have in the table the white color and I want to change the color only of a car that has the white color, changes of all cars with the white color. update…

  mysql

  asked 6 years, 3 months ago Rayra 5

• -2

  votes

  1

  answer

  832

  views

  Q: Double.valueOf(String). doubleValue()

  Since I could not convert a String to Double, because it is decimal, I used Double.valueOf(String). doubleValue(). But when converting a String to Double with "." the numbers above 3 houses (1,000)…

  java

  asked 6 years, 6 months ago Rayra 5

• -3

  votes

  3

  answers

  386

  views

  Q: The user will have 3 attempts to set the password

  The following form does not open when the password is correct and if it is wrong continues to pass even if the password has typed 3 times. private void btnEntrar_Click(object sender, EventArgs e) {…

  c# .net winforms algorithm

  asked 6 years, 7 months ago Rayra 5