        <span class="bold"><strong>-</strong></span> Always be extra careful when mixing
          signed/unsigned types
        </p>
<p>
          <span class="bold"><strong>-</strong></span> Use unsigned types only when you need
          modulo arithmetic or very very large numbers. Don't use unsigned types
          just because you intend to deal with positive values only (you can do this
          with signed types as well).
        </p>
</td></tr>
</table></div>
</div>
<div class="section">
<div clas