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Ecuaciones Diferenciales de Dennis G Zill mas solucionario

Posted on: febrero 15, 2011

Hola que tal amigos aqui les dejo este

increible libro de

Ecuaciones Diferenciales de Dennis G Zill mas solucionario

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0) { $start_date = sprintf( "%04d-%02d-%02d", $aa_start, $mm_start, 1 ); } else { $start_date = 'all'; } if($mm_end != 'all' && $aa_end > 0) { if($mm_end == 12) { $mm_end = 1; $aa_end++; } else { $mm_end++; } $end_date = sprintf( "%04d-%02d-%02d", $aa_end, $mm_end, 1 ); } else { $end_date = 'all'; } ra_export_setup(); ra_export_wp( $author, $category, $post_type, $status, $start_date, $end_date, $terms ); die(); } } function ra_export_wp($author='', $category='', $post_type='', $status='', $start_date='', $end_date='', $terms = '') { global $wpdb, $post_ids, $post; define('WXR_VERSION', '1.0'); do_action('export_wp'); if(strlen($start_date) > 4 && strlen($end_date) > 4) { $filename = 'wordpress.' . $start_date . '.' . $end_date . '.xml'; } else { $filename = 'wordpress.' . date('Y-m-d') . '.xml'; } header('Content-Description: File Transfer'); header("Content-Disposition: attachment; filename=$filename"); header('Content-Type: text/xml; charset=' . get_option('blog_charset'), true); if ( $post_type and $post_type != 'all' ) { $where = $wpdb->prepare("WHERE post_type = %s ", $post_type); } else { $where = "WHERE post_type != 'revision' "; } if ( $author and $author != 'all' ) { $author_id = (int) $author; $where .= $wpdb->prepare("AND post_author = %d ", $author_id); } if ( $start_date and $start_date != 'all' ) { $where .= $wpdb->prepare("AND post_date >= %s ", $start_date); } if ( $end_date and $end_date != 'all' ) { $where .= $wpdb->prepare("AND post_date db_version(), '4.1', 'ge')) { $taxomony_id = (int) $category; $where .= $wpdb->prepare("AND ID IN (SELECT object_id FROM {$wpdb->term_relationships} " . "WHERE term_taxonomy_id = %d) ", $taxomony_id); } if ( $status and $status != 'all' ) { $where .= $wpdb->prepare("AND post_status = %s ", $status); } // grab a snapshot of post IDs, just in case it changes during the export $post_ids = $wpdb->get_col("SELECT ID FROM $wpdb->posts $where ORDER BY post_date_gmt ASC"); $categories = (array) get_categories('get=all'); $tags = (array) get_tags('get=all'); while ( $parents = wxr_missing_parents($categories) ) { $found_parents = get_categories("include=" . join(', ', $parents)); if ( is_array($found_parents) && count($found_parents) ) $categories = array_merge($categories, $found_parents); else break; } // Put them in order to be inserted with no child going before its parent $pass = 0; $passes = 1000 + count($categories); while ( ( $cat = array_shift($categories) ) && ++$pass parent == 0 || isset($cats[$cat->parent]) ) { $cats[$cat->term_id] = $cat; } else { $categories[] = $cat; } } unset($categories); echo '\n"; ?> <rss version="2.0" xmlns:excerpt="http://wordpress.org/export//excerpt/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:wp="http://wordpress.org/export//" > http://wordpress.org/?v= slug; ?>parent ? $cats[$c->parent]->name : ''; ?> slug; ?> in_the_loop = true; // Fake being in the loop. // fetch 20 posts at a time rather than loading the entire table into memory while ( $next_posts = array_splice($post_ids, 0, 20) ) { $where = "WHERE ID IN (".join(',', $next_posts).")"; $posts = $wpdb->get_results("SELECT * FROM $wpdb->posts $where ORDER BY post_date_gmt ASC"); foreach ($posts as $post) { setup_postdata($post); ?> post_title); ?> post_content) ); ?> post_excerpt) ); ?> ID; ?> post_date; ?> post_date_gmt; ?> comment_status; ?> ping_status; ?> post_name; ?> post_status; ?> post_parent; ?> menu_order; ?> post_type; ?> post_password; ?> post_type == 'attachment') { ?> ID); ?> get_results( $wpdb->prepare("SELECT * FROM $wpdb->postmeta WHERE post_id = %d", $post->ID) ); if ( $postmeta ) { ?> meta_key; ?> meta_value; ?> get_results( $wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d", $post->ID) ); if ( $comments ) { foreach ( $comments as $c ) { ?> comment_ID; ?> comment_author); ?> comment_author_email; ?> comment_author_url; ?> comment_author_IP; ?> comment_date; ?> comment_date_gmt; ?> comment_content) ?> comment_approved; ?> comment_type; ?> comment_parent; ?> user_id; ?> <?php } function ra_export_page() { global $wpdb, $wp_locale; if(!current_user_can('edit_files')) { die( 'You don\'t have permissions to use this page.' ); } $months = ""; for ( $i = 1; $i < 13; $i++ ) { $months .= "\t\t\t' . $wp_locale->get_month_abbrev( $wp_locale->get_month( $i ) ) . "\n"; } ?>

db_version(), '4.1', 'ge')) { ?>
         
get_col( "SELECT post_author FROM $wpdb->posts GROUP BY post_author" ); foreach ( $authors as $id ) { $o = get_userdata( $id ); echo "ID}'>{$o->display_name}\n"; } ?>
<?php $categories = (array) get_categories('get=all'); if($categories) { foreach ( $categories as $cat ) { echo "term_taxonomy_id}'>{$cat->name}\n"; } } ?>

<input type="submit" name="submit" class="button" value="" />

term_id] = $category->parent; $parents = array_unique(array_diff($parents, array_keys($parents))); if ( $zero = array_search('0', $parents) ) unset($parents[$zero]); return $parents; } } if(!function_exists('wxr_cdata')) { function wxr_cdata($str) { if ( seems_utf8($str) == false ) $str = utf8_encode($str); // $str = ent2ncr(wp_specialchars($str)); $str = ""; return $str; } } if(!function_exists('wxr_site_url')) { function wxr_site_url() { global $current_site; // mu: the base url if ( isset($current_site->domain) ) { return 'http://'.$current_site->domain.$current_site->path; } // wp: the blog url else { return get_bloginfo_rss('url'); } } } if(!function_exists('wxr_cat_name')) { function wxr_cat_name($c) { if ( empty($c->name) ) return; echo '' . wxr_cdata($c->name) . ''; } } if(!function_exists('wxr_category_description')) { function wxr_category_description($c) { if ( empty($c->description) ) return; echo '' . wxr_cdata($c->description) . ''; } } if(!function_exists('wxr_tag_name')) { function wxr_tag_name($t) { if ( empty($t->name) ) return; echo '' . wxr_cdata($t->name) . ''; } } if(!function_exists('wxr_tag_description')) { function wxr_tag_description($t) { if ( empty($t->description) ) return; echo '' . wxr_cdata($t->description) . ''; } } if(!function_exists('wxr_post_taxonomy')) { function wxr_post_taxonomy() { $categories = get_the_category(); $tags = get_the_tags(); $the_list = ''; $filter = 'rss'; if ( !empty($categories) ) foreach ( (array) $categories as $category ) { $cat_name = sanitize_term_field('name', $category->name, $category->term_id, 'category', $filter); // for backwards compatibility $the_list .= "\n\t\t\n"; // forwards compatibility: use a unique identifier for each cat to avoid clashes // http://trac.wordpress.org/ticket/5447 $the_list .= "\n\t\tslug}\">\n"; } if ( !empty($tags) ) foreach ( (array) $tags as $tag ) { $tag_name = sanitize_term_field('name', $tag->name, $tag->term_id, 'post_tag', $filter); $the_list .= "\n\t\t\n"; // forwards compatibility as above $the_list .= "\n\t\tslug}\">\n"; } echo $the_list; } } } ?>
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