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About this quote

What does it mean?
The comment instructs to create a new head element at the same location as an existing one.
In plain terms
Make a new head in the same spot.
What can you take from it?
Reuse precise positioning when adding UI elements.

Where it applies

  • web development
  • graphic design

Putting it to work

  • duplicate DOM nodes with same coordinates
  • maintain consistent layout

Questions to consider

  • Why duplicate instead of move?
  • What are the performance impacts?

Another view

Duplicating elements can cause overlap or performance issues.

More from Larry Wall

  1. double value; /* or your money back! */ short changed; /* so triple your money back! */

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  2. I think I'm happier with that. $rubyometer += 0.3 or so. :-)

    Permalink to quote #235

  3. And in the limiting case where the optimizer is completely broken because it's not implemented yet, we get to work around that too. Optionally...

    Permalink to quote #234

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