"Default" and "Activity" have same difficulty. It is necessary to change lower 0(zero) into qa_get_start(). However, if it changed, the right result is not obtained.
@list($questions1, $questions2, $categories, $categoryid, $favorite, $custompage)=qa_db_select_with_pending(
qa_db_qs_selectspec($userid, 'created', 0, $slugs, null, false, false, qa_opt_if_loaded('page_size_activity')),
qa_db_recent_a_qs_selectspec($userid, 0, $slugs),