title: Omit first parameter in for loop
body: <p>In PHP, Java, C++ (and many other languages), for loops are used like this:</p>
  
  <pre><code>for(int i=0;i&lt;10;i++)
  </code></pre>
  
  <p>If I already initialized <code>i</code>, how can I omit the initialization statement?</p>