The posters above said a lot of useful stuff about technical details. I'll focus on something else:
First I take paper and pens and start drawing. That's pretty old-school and may sound odd to some of you, but I like to sketch my classes and tables and whatsever on paper - and if I change something I redraw the necessary parts. I need to see what I'm doing (that's also the reason why I like Data::Dumper and GraphViz and ...). If I have to stop my work for quite some time - to work on some other projects, I just have to look on my papers if I restart working on my project.
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 How to display code and escape characters
are good places to start.