Posts by Marin • 15 points

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  Q: Method Matches() to validate if string contains only numbers

  I’ve read some articles on the method matches() and really didn’t understand. In that code would return false because I am using a variable and the method read the variable name and not the value…

  java regex

  asked 4 years, 10 months ago Marin 15

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  Q: Insert data in multiple related tables

  I started a project at the same time that I started studies in a database. I created a customer phone only table and another table for all customer data, including phone as Foreign key. in the phone…

  mysql foreign-key primary-key

  asked 4 years, 10 months ago Marin 15