title: C: 0x11 in Decimal
body: <p>Sorry about this basic question, but why <code>0x11</code> is <code>17</code> in decimal <code>(print(%d, 0x11)=17</code>?</p>
  
  <p>I search information about the way to convert from hex to dec, but it doesn't talk about this sort of numbers.</p>