title: Eclipse runs old code even after building the new one
body: <p>I started to study c++ and i choosen Eclipse IDE for it.
  I need some basic instructions.</p>
  
  <p>Even after i compile my code with ctrl+b Eclipse shows me the old "Hello World" program in console. If i look up the compiled .exe files in my projects "Release" folder i can ran my new program very well.</p>
  
  <p>For some reason Eclipse does not refresh output console.</p>
  
  <p>Any ideas?</p>