WordPress Post Query From Specific Category

Blog post Query anywhere specially in widget:
<?php
global $post;
$args = array( 'posts_per_page' => 2, 'post_type'=> 'post' );
$myposts = get_posts( $args );
foreach( $myposts as $post ) : setup_postdata($post); ?>
<div class="single_footer_left fix">
<h3><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h3>
<?php the_excerpt(); ?>
</div>
<?php endforeach; ?>

Blog post Query From Specific Category:
<?php
query_posts('showposts=1&cat=3');
while(have_posts()) : the_post();
?>
<ul>
<li><h3><a href="<?php the_permalink() ?>" rel="bookmark"><?php the_title(); ?></a></h3>
<ul>
               <li><?php the_content(); ?></li>
</ul>
</li>
</ul>
<?php endwhile; ?>