title: How to interpret hexadecimal numbers like 0x0A?
body: <p>What does 0x0A mean in C++ and how should I interpret or read such hexadecimal values?</p>
  
  <pre><code>if (version &lt; 760 || version &gt; 760){
      disconnectClient(0x0A, STRING_CLIENT_VERSION);
  }
  
  uint32_t accnumber = msg.GetU32();
  std::string password = msg.GetString();
  
  if(!accnumber){
      disconnectClient(0x0A, "You must enter your account number.");
      return false;
  }
  </code></pre>