Posts by Rodrigo • 55 points

• 3

  votes

  1

  answer

  585

  views

  Q: Join two arrays in one with PHP

  I have the following PHP: <?php $itens1= array("fruta1"=>"laranja", "fruta2"=>"morango"); $itens2= array("fruta3"=>"goiaba", "fruta4"=>"uva"); array_push($itens1, $itens2); echo…

  php json array

  asked 5 years, 6 months ago Rodrigo 55

• 0

  votes

  0

  answers

  91

  views

  Q: Error calling android studio java method

  I’m having the error of: java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.res.Resources android.content.Context.getResources()' on a null object reference when…

  java android android-studio android-activity method

  asked 5 years, 7 months ago Rodrigo 55

• 1

  votes

  0

  answers

  56

  views

  Q: Sending and Returning variables from a separate asyncTask in a separate java class

  I am developing a program that consists of inserting variables, processing them through an Asynctask in a separate java class called backgroundWorker and returning values, according to the drawing…

  java asynctask backgroundworker

  asked 5 years, 7 months ago Rodrigo 55

• 1

  votes

  2

  answers

  68

  views

  Q: Foreign Key (foreign key) referencing utility in the database

  I have a question in jobs with databases. Exemplifying, as the image below: Well, I know I should include in the table agendar_consulta the user who needs a consultation and the doctor who will…

  database primary-key foreign-key

  asked 5 years, 7 months ago Rodrigo 55