title: Mongodb C++ API insert binary (images)
body: <p>I looked around and couldn't find a working example for mongocxx binary insert.</p>
  
  <p>I want to insert images to the MongoDB through mongocxx. I can insert except binary. </p>
  
  <p>I am seeking a working example for binary (image) insert to MongoDB through mongocxx. I am using OpenCV.</p>