WordPress database error: [Duplicate entry '1088611' for key 'PRIMARY']
INSERT INTO wp1f_actionscheduler_actions ( `hook`, `status`, `scheduled_date_gmt`, `scheduled_date_local`, `schedule`, `group_id`, `priority`, `args` )
SELECT 'wp_mail_smtp_summary_report_email', 'pending', '2026-04-13 11:00:00', '2026-04-13 14:00:00', 'O:32:\"ActionScheduler_IntervalSchedule\":5:{s:22:\"\0*\0scheduled_timestamp\";i:1776078000;s:18:\"\0*\0first_timestamp\";i:1776078000;s:13:\"\0*\0recurrence\";i:604800;s:49:\"\0ActionScheduler_IntervalSchedule\0start_timestamp\";i:1776078000;s:53:\"\0ActionScheduler_IntervalSchedule\0interval_in_seconds\";i:604800;}', 13, 10, '[null]' FROM DUAL
WHERE (
SELECT action_id FROM wp1f_actionscheduler_actions
WHERE status IN ( 'pending', 'in-progress' )
AND hook = 'wp_mail_smtp_summary_report_email'
AND `group_id` = 13
LIMIT 1 ) IS NULL
WordPress database error: [Duplicate entry '1088611' for key 'PRIMARY']
INSERT INTO wp1f_actionscheduler_actions ( `hook`, `status`, `scheduled_date_gmt`, `scheduled_date_local`, `schedule`, `group_id`, `priority`, `args` )
SELECT 'wp_mail_smtp_admin_notifications_update', 'pending', '2026-04-10 10:37:25', '2026-04-10 13:37:25', 'O:32:\"ActionScheduler_IntervalSchedule\":5:{s:22:\"\0*\0scheduled_timestamp\";i:1775817445;s:18:\"\0*\0first_timestamp\";i:1775817445;s:13:\"\0*\0recurrence\";i:86400;s:49:\"\0ActionScheduler_IntervalSchedule\0start_timestamp\";i:1775817445;s:53:\"\0ActionScheduler_IntervalSchedule\0interval_in_seconds\";i:86400;}', 13, 10, '[null]' FROM DUAL
WHERE (
SELECT action_id FROM wp1f_actionscheduler_actions
WHERE status IN ( 'pending', 'in-progress' )
AND hook = 'wp_mail_smtp_admin_notifications_update'
AND `group_id` = 13
LIMIT 1 ) IS NULL
WordPress database error: [Duplicate entry '1088611' for key 'PRIMARY']
INSERT INTO wp1f_actionscheduler_actions ( `hook`, `status`, `scheduled_date_gmt`, `scheduled_date_local`, `schedule`, `group_id`, `priority`, `args` )
SELECT 'aioseo_cache_prune', 'pending', '2026-04-10 10:36:25', '2026-04-10 13:36:25', 'O:32:\"ActionScheduler_IntervalSchedule\":5:{s:22:\"\0*\0scheduled_timestamp\";i:1775817385;s:18:\"\0*\0first_timestamp\";i:1775817385;s:13:\"\0*\0recurrence\";i:86400;s:49:\"\0ActionScheduler_IntervalSchedule\0start_timestamp\";i:1775817385;s:53:\"\0ActionScheduler_IntervalSchedule\0interval_in_seconds\";i:86400;}', 9, 10, '[]' FROM DUAL
WHERE ( SELECT NULL FROM DUAL ) IS NULL
WordPress database error: [Duplicate entry '1088611' for key 'PRIMARY']
INSERT INTO wp1f_actionscheduler_actions ( `hook`, `status`, `scheduled_date_gmt`, `scheduled_date_local`, `schedule`, `group_id`, `priority`, `args` )
SELECT 'aioseo_cache_prune', 'pending', '2026-04-10 10:36:25', '2026-04-10 13:36:25', 'O:32:\"ActionScheduler_IntervalSchedule\":5:{s:22:\"\0*\0scheduled_timestamp\";i:1775817385;s:18:\"\0*\0first_timestamp\";i:1775817385;s:13:\"\0*\0recurrence\";i:86400;s:49:\"\0ActionScheduler_IntervalSchedule\0start_timestamp\";i:1775817385;s:53:\"\0ActionScheduler_IntervalSchedule\0interval_in_seconds\";i:86400;}', 9, 10, '[]' FROM DUAL
WHERE ( SELECT NULL FROM DUAL ) IS NULL
WordPress database error: [Duplicate entry '1088611' for key 'PRIMARY']
INSERT INTO wp1f_actionscheduler_actions ( `hook`, `status`, `scheduled_date_gmt`, `scheduled_date_local`, `schedule`, `group_id`, `priority`, `args` )
SELECT 'woocommerce_ac_send_email_action', 'pending', '2026-04-10 10:37:25', '2026-04-10 13:37:25', 'O:32:\"ActionScheduler_IntervalSchedule\":5:{s:22:\"\0*\0scheduled_timestamp\";i:1775817445;s:18:\"\0*\0first_timestamp\";i:1775817445;s:13:\"\0*\0recurrence\";i:900;s:49:\"\0ActionScheduler_IntervalSchedule\0start_timestamp\";i:1775817445;s:53:\"\0ActionScheduler_IntervalSchedule\0interval_in_seconds\";i:900;}', 10, 10, '[]' FROM DUAL
WHERE ( SELECT NULL FROM DUAL ) IS NULL
Longhorn Computer Studies Form 4 - Pick A Book Limited
Roll over image to zoom in
Click to open expanded view
by MBURU
Longhorn Secondary Computer Studies series is a new course developed in line with the new curriculum. It fully covers and fulfils all the goals and targets of the new Kenya secondary school computer studies syllabus.
Longhorn Secondary Computer Studies Series is unique in that it:
presents the contents in well and logically organised topics which facilitates sequential transition from one concept to the next.
has a user-friendly approach which is well-centered on the learner’s own environment for easier understanding.
uses simple language that is easy to understand and follow.
provides exercises that enable the learner not only to recall, but also to understand and apply the skills acquired.
provides pictures, drawing and screen shots that are well labelled that relate theory to real world practice.
provides short historical background to concepts hence making reading of the book interesting to the learner.
has a comprehensive Teacher’s Guide, with guidelines on how to teach the various concepts.
Longhorn Computer Studies Form 4
WhatsApp us for any enquiry...
Reviews
There are no reviews yet.