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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_gmqrv9u0345d5e2dj6uoohaqo9, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
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<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
svoid verifyImage2B(BWImage img, Image2B binaryImage, int threshold) {
  assertSameSize(img, binaryImage);
  int w = img.w(), h = img.h();
  
  for y to h:
    for x to w:
      if ((img.getInt(x, y) >= threshold) != binaryImage.getBoolPixel(x, y))
        fail("Wrong pixel at " + x + "/" + y);
}