functions.php is part of the loading process and way too early for conditional tags to work reliably. Any conditional logic should be hooked to and executed no earlier than template_redirect hook. For scripts on front-end wp_enqueue_scripts is appropriate hook.
To get syntax highlighting with line numbering, you’ll need to use a plugin like SyntaxHighlighter Evolved. In fact, looking at the source of that second link, it appears that they are using SyntaxHighlighter Evolved themselves.
While your code is a bit messy, I think the one thing that is breaking it is the wp_enqueue_style you’ve got there. The second parameter “10” just shouldn’t be there.
You should have a theme locations dropdown titled inicio, select the menu you created here and it will work. Alternately, if you just want to replace the main menu, select inicio in the Theme Locations box under Primary Menu.
The post title cannot really be empty, because it’s used to create the slug of the post, which is often used in the permalink. Use the p2 approach and autogenerate the title. This solves a lot of problems. Whether you show that title in the theme or not is up to you.
Try giving your function its own parameters and do a template_redirect, something like this: <?php function mypage_scripts() { if ( !is_admin() ) { wp_deregister_script(‘jquery’); wp_register_script(‘jquery’, ‘http://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js’, true, ‘1.6.2’, false); wp_enqueue_script(‘jquery’); /* My Script */ function contact_form_script() { if ( !is_page(‘contact’) ) { wp_enqueue_script(‘myscript’, get_bloginfo(‘template_url’) . ‘/js/myscript.js’, array(‘jquery’), ‘1.1’, false); } } add_action( ‘template_redirect’, ‘contact_form_script’ ); … Read more
Try removing the stripslashes() function.
The problem is probably because wp_print_scripts is too late to deregister scripts as this is when they are outputted to the template. You should consider using wp_enqueue_scripts or wp_register_script instead. This question may help: wp_enqueue_scripts, wp_register_scripts, wp_print_scripts: i’m confused
The action is called without any variables: do_action(‘admin_notices’); So you don’t get $error_token and $error_tag.
The proper way to include styles and scripts is with the wp_enqueue_script() and wp_enqueue_style() functions. The codex pages on both of these functions covers how to use them very well. Basically you just need to give the script the source (do it relative to your current PHP file) of the script/style and a slug to … Read more