I am trying to possess a publish from the certain category display on my small static home page.

I appear to everything working precisely how I would like with one exception.

I would like the publish to incorporated the conventional Continue reading through (<!--more-->) link, however i can't appear to have it to operate on my small home page rather all of the post's submissions are displayed.

Here's the code I am using to show the main one publish from the catagory on my small webpage:

<?php $recent = new WP_Query("cat=4&showposts=1"); while($recent->have_posts()) : $recent->the_post();?>
<h2><a href="<?php the_permalink() ?>" rel="bookmark"><?php the_title(); ?></a></h2>
<?php the_content( __( 'Continue reading &rarr;')); ?>
<?php endwhile; ?>

How do you obtain the <!--more--> tag to operate properly using the above code?

I found some good info here: http://codex.wordpress.org/Function_Reference/the_content

Found wrinkles which appear to have the desired effect:

global $more;    // Declare global $more (before the loop).
$more = 0;       // Set (inside the loop) to display content above the more tag.
the_content("Read More");

Added the data to my code and everything work! Put in the Find Out More link once the more tag was put into the publish.

Here's my final code:

<?php $recent = new WP_Query("cat=4&showposts=1"); while($recent->have_posts()) : $recent->the_post();?>
<h2><a href="<?php the_permalink() ?>" rel="bookmark"><?php the_title(); ?></a></h2>
<?php global $more;
$more = 0;
the_content("Read More");
 ?>

The <!--more--> quicktag generally does not focus on anything apart from the house page. Try following a advice here under "How you can Find Out More in Pages", i.e. such as this:

<?php
global $more;
$more = 0;
?>
//The code must be inserted ahead of the call to the content

Then continue while you were:

<?php $recent = new WP_Query("cat=4&showposts=1"); while($recent->have_posts()) : $recent->the_post();?>
<h2><a href="<?php the_permalink() ?>" rel="bookmark"><?php the_title(); ?></a></h2>
<?php the_content( __( 'Continue reading &rarr;')); ?>
<?php endwhile; ?>

Though I am unsure if you will need to set $more to before every the_content() call I'm not sure be it totally reset each time with the Loop or otherwise.

The discussion topic referenced from that Codex entry discusses precisely the problem you are fixing, I believe.