Firstly, I think you have understated the positives of knowing the precedence table somewhat.
Secondly, even with the weight of the three positives you have mentioned, and no one is claiming any negatives to learning it. So the question is do the positives outweight the time investment of 2-3 hours? For anyone reading this I would say the answer is almost always yes.
I think my original statement has become a little side-tracked. My meditation is to memorize the precedence table - something a lot of us (even some of the best programmers) have not done.
Are you posting in the right place? Check out Where do I post X? to know for sure.
Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
<code> <a> <b> <big>
<blockquote> <br /> <dd>
<dl> <dt> <em> <font>
<h1> <h2> <h3> <h4>
<h5> <h6> <hr /> <i>
<li> <nbsp> <ol> <p>
<small> <strike> <strong>
<sub> <sup> <table>
<td> <th> <tr> <tt>
Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
Want more info? How to link or
or How to display code and escape characters
are good places to start.