title: Unresolved external symbol C++
body: <p>I ahve a problem with a code below:</p>
  
  <p><strong>ProgrammSettings.h</strong></p>
  
  <pre><code>#pragma once
  static class ProgrammSettings
  {
  public:
      static int fd;
  };
  </code></pre>
  
  <p><strong>Settings.cpp</strong></p>
  
  <pre><code>#include "ProgrammSettings.h"
  
  static bool LoadSettings()
  {
      ProgrammSettings::fd = 2; // here error Unresolved symbol!!
      return true;
  }
  </code></pre>
  
  <p>What i'm doing wrong?
  Thanks!</p>