Magento 2.3 Front page and Admin page showing blank ?

After successful installation your are run magento 2.3.0 project if your front page and admin page showing blank please follow this step.

• 1. Go to following path and open this file.
  lib\internal\Magento\Framework\View\Element\Template\File\Validator.php
• 2. code
  

              
                 protected function isPathInDirectories($path, $directories)
                  {
                      if (!is_array($directories)) {
                          $directories = (array)$directories;
                      }
                      foreach ($directories as $directory) {
                          if (0 === strpos($this->fileDriver->getRealPath($path), $directory)) {
                              return true;
                          }
                      }
                      return false;
                  }
              
            

• 3. to replase
  

              
               protected function isPathInDirectories($path, $directories)
                      {
                          $realPath = str_replace('\\', '/', $this->fileDriver->getRealPath($path));
                          if (!is_array($directories)) {
                              $directories = (array)$directories;
                          }
                          foreach ($directories as $directory) {
                              if (0 === strpos($realPath, $directory)) {
                                  return true;
                              }
                          }
                          return false;
                      }
              
     

• Remove cache : php bin/magento cache:clean and run you project.