লন্ডন শহরের প্রায় ১৬৫ কি.মি. উত্তর পশ্চিমে অবস্থিত একটি বৃহৎ শিল্পনগর। এটি রেলগাড়ির ইঞ্জিন ও নানা প্রকার যন্ত্রপাতি তৈরির জন্য বিখ্যাত।
Read more
আমাদের অল-ইন-ওয়ান মোবাইল অ্যাপের মাধ্যমে সীমাহীন শেখার সুযোগ উপভোগ করুন।
Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ducimus nihil, quo, quis minus aspernatur expedita, incidunt facilis aliquid inventore voluptate dolores accusantium laborum labore a dolorum dolore omnis qui? Consequuntur sed facilis repellendus corrupti amet in quibusdam ducimus illo autem, a praesentium.
1 hour ago
Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ducimus nihil, quo, quis minus aspernatur expedita, incidunt facilis aliquid inventore voluptate dolores accusantium laborum labore a dolorum dolore omnis qui? Consequuntur sed facilis repellendus corrupti amet in quibusdam ducimus illo autem, a praesentium.
1 hour ago
Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ducimus nihil, quo, quis minus aspernatur expedita, incidunt facilis aliquid inventore voluptate dolores accusantium laborum labore a dolorum dolore omnis qui? Consequuntur sed facilis repellendus corrupti amet in quibusdam ducimus illo autem, a praesentium.
1 hour ago
Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ducimus nihil, quo, quis minus aspernatur expedita, incidunt facilis aliquid inventore voluptate dolores accusantium laborum labore a dolorum dolore omnis qui? Consequuntur sed facilis repellendus corrupti amet in quibusdam ducimus illo autem, a praesentium.
1 hour ago
Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ducimus nihil, quo, quis minus aspernatur expedita, incidunt facilis aliquid inventore voluptate dolores accusantium laborum labore a dolorum dolore omnis qui? Consequuntur sed facilis repellendus corrupti amet in quibusdam ducimus illo autem, a praesentium.
1 hour ago
Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ducimus nihil, quo, quis minus aspernatur expedita, incidunt facilis aliquid inventore voluptate dolores accusantium laborum labore a dolorum dolore omnis qui? Consequuntur sed facilis repellendus corrupti amet in quibusdam ducimus illo autem, a praesentium.
1 hour ago
Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ducimus nihil, quo, quis minus aspernatur expedita, incidunt facilis aliquid inventore voluptate dolores accusantium laborum labore a dolorum dolore omnis qui? Consequuntur sed facilis repellendus corrupti amet in quibusdam ducimus illo autem, a praesentium.
1 hour ago
Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ducimus nihil, quo, quis minus aspernatur expedita, incidunt facilis aliquid inventore voluptate dolores accusantium laborum labore a dolorum dolore omnis qui? Consequuntur sed facilis repellendus corrupti amet in quibusdam ducimus illo autem, a praesentium.
1 hour ago
Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ducimus nihil, quo, quis minus aspernatur expedita, incidunt facilis aliquid inventore voluptate dolores accusantium laborum labore a dolorum dolore omnis qui? Consequuntur sed facilis repellendus corrupti amet in quibusdam ducimus illo autem, a praesentium.
1 hour ago
Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ducimus nihil, quo, quis minus aspernatur expedita, incidunt facilis aliquid inventore voluptate dolores accusantium laborum labore a dolorum dolore omnis qui? Consequuntur sed facilis repellendus corrupti amet in quibusdam ducimus illo autem, a praesentium.
1 hour ago
| 1 x Application (59.73%) | 106ms |
| 1 x Booting (40.26%) | 71.44ms |
update `subjects` set `view_count` = `view_count` + 1, `subjects`.`updated_at` = '2025-04-18 03:30:43' where `id` = 17134| Bindings |
|
| Backtrace |
|
select `_lft`, `_rgt` from `subjects` where `id` = 17134 limit 1| Bindings |
|
| Backtrace |
|
select `id`, `name`, `parent_id`, `_lft`, `_rgt`, `show_content`, `num_of_mcq`, `num_of_written`, `des_added_by`, `des_updated_by`, `author_name`, `link_subject_id`, `sub_category_id`, `main_category_id`, `slug`, `meta_og_title`, `meta_keyword`, `meta_description`, `vote`, `view_count`, `icon`, `page_type`, `chapter_name` from `subjects` where (`subjects`.`_lft` between 19885 and 19886) and `subjects`.`deleted_at` is null| Bindings |
|
| Backtrace |
|
select `id`, `description`, `short_description`, `subject_id` from `subject_descriptions` where `subject_descriptions`.`subject_id` in (17134) and `subject_descriptions`.`deleted_at` is null| Backtrace |
|
select `id`, `name`, `slug` from `sub_categories` where `sub_categories`.`id` in (4878) and `sub_categories`.`deleted_at` is null| Backtrace |
|
select `id`, `user_id`, `completeable_type`, `completeable_id`, `complete_progress`, `is_complete` from `completes` where `completes`.`completeable_id` in (17134) and `completes`.`completeable_type` = 'App\\Models\\Subject'| Bindings |
|
| Backtrace |
|
select `id`, `name`, `parent_id`, `_lft`, `_rgt`, `show_content`, `des_added_by`, `des_updated_by`, `author_name`, `link_subject_id` from `subjects` where `subjects`.`id` in (15418) and `subjects`.`deleted_at` is null| Backtrace |
|
select `id`, `description`, `short_description`, `subject_id` from `subject_descriptions` where `subject_descriptions`.`subject_id` in (15418) and `subject_descriptions`.`deleted_at` is null| Backtrace |
|
select `id`, `name`, `avatar` from `users` where `users`.`id` in (33722) and `users`.`deleted_at` is null| Backtrace |
|
select * from (select `questions`.`id`, `questions`.`subject_id`, `questions`.`category_id`, `questions`.`sub_category_id`, `questions`.`board_exam_id`, `questions`.`passage_id`, `questions`.`question_type`, `questions`.`question`, `questions`.`is_duplicate`, `questions`.`status`, `questions`.`image`, `subjectables`.`subject_id` as `pivot_subject_id`, `subjectables`.`subjectable_id` as `pivot_subjectable_id`, `subjectables`.`subjectable_type` as `pivot_subjectable_type`, row_number() over (partition by `subjectables`.`subject_id` order by `questions`.`created_at` desc) as `laravel_row` from `questions` inner join `subjectables` on `questions`.`id` = `subjectables`.`subjectable_id` where `subjectables`.`subject_id` in (17134) and `subjectables`.`subjectable_type` = 'App\\Models\\Question' and `questions`.`status` = 'active' and `questions`.`deleted_at` is null) as `laravel_table` where `laravel_row` <= 5 order by `laravel_row`| Bindings |
|
| Backtrace |
|
select `id`, `question_id`, `option_1`, `option_2`, `option_3`, `option_4`, `option_5`, `image_option`, `image_question`, `answer` from `question_options` where `question_options`.`question_id` in (107771) and `question_options`.`deleted_at` is null| Backtrace |
|
select `id`, `name`, `slug` from `subjects` where `subjects`.`id` in (79) and `subjects`.`deleted_at` is null| Backtrace |
|
select `subjects`.`id`, `subjects`.`name`, `subjects`.`slug`, `subjectables`.`subjectable_id` as `pivot_subjectable_id`, `subjectables`.`subject_id` as `pivot_subject_id`, `subjectables`.`subjectable_type` as `pivot_subjectable_type`, `subjectables`.`created_user_id` as `pivot_created_user_id`, `subjectables`.`deleted_at` as `pivot_deleted_at`, `subjectables`.`status` as `pivot_status`, `subjectables`.`created_at` as `pivot_created_at`, `subjectables`.`updated_at` as `pivot_updated_at` from `subjects` inner join `subjectables` on `subjects`.`id` = `subjectables`.`subject_id` where `subjectables`.`subjectable_id` in (107771) and `subjectables`.`subjectable_type` = 'App\\Models\\Question' and `subjects`.`deleted_at` is null| Bindings |
|
| Backtrace |
|
select `id`, `title`, `passage` from `passages` where `passages`.`id` in (0) and `passages`.`deleted_at` is null| Backtrace |
|
select * from `subjects` where `subjects`.`id` = 17134 and `subjects`.`deleted_at` is null limit 1| Bindings |
|
| Backtrace |
|
select `id`, `name`, `slug`, `parent_id`, `_lft`, `_rgt` from `subjects` where (19886 between `subjects`.`_lft` and `subjects`.`_rgt` and `subjects`.`id` <> 17134) and `subjects`.`deleted_at` is null order by `_lft` asc| Bindings |
|
| Backtrace |
|
select * from `subjects` where `subjects`.`id` = 17134 and `subjects`.`deleted_at` is null limit 1| Bindings |
|
| Backtrace |
|
select `id`, `name`, `parent_id`, `_lft`, `_rgt`, `slug`, `meta_og_title`, `meta_keyword`, `meta_description` from `subjects` where `subjects`.`id` = 17107 and `subjects`.`deleted_at` is null limit 1| Bindings |
|
| Backtrace |
|
select `id`, `description`, `subject_id` from `subject_descriptions` where `subject_descriptions`.`subject_id` in (17107) and `subject_descriptions`.`deleted_at` is null| Backtrace |
|
select * from `mediables` where `mediable_type` = 'App\\Models\\Subject' and `mediable_id` in (17134)| Bindings |
|
| Backtrace |
|
select `videos`.`video_src_url`, `mediables`.`mediable_id` as `chapter_id` from `videos` inner join `mediables` on `mediables`.`mediable_id` = `videos`.`id` where `videos`.`id` = 0 and `videos`.`video_src` = 'youtube' and `videos`.`deleted_at` is null| Bindings |
|
| Backtrace |
|
select `id`, `name`, `main_category_id`, `slug` from `subjects` where `id` <> 17134 and `parent_id` = 17107 and `main_category_id` = 3 and `subjects`.`deleted_at` is null limit 5| Bindings |
|
| Backtrace |
|
select * from `package_plans` where `status` = 'active' and `package_plans`.`deleted_at` is null| Bindings |
|
| Backtrace |
|
200
[]
[]
0 of 0array:21 [▼ "x-https" => array:1 [▶ 0 => "1" ] "cookie" => array:1 [▶ 0 => "XSRF-TOKEN=eyJpdiI6InM5NWVOOXgwZ2hrWnFWU05JVkRhMkE9PSIsInZhbHVlIjoiaFp0dVhSUDIwS2xRY1BwVmVHaG9uQ1BvNml4OVBvbXc5YUhiMkR0d254L251VWJja3BCeTRPNWdYS1d0alNLdHJ2ZG0xWWVETUErcmMxZlhGWmYxaTNTREF6R2gyd1ZxL09oTnJvcEFMc05WWDE1TGRUOVhNVXdub0k0RG13UGkiLCJtYWMiOiI0YmNkNzNhMWQ3OWNlMzFiZmQ4MmMxZTM1Mjg1MDE5MTJlODAwZDYyNTg5NmUwNWJiODMyZDNkOWUxMjk2ZWZmIiwidGFnIjoiIn0%3D; satt_academy_session=eyJpdiI6Imt3dUt1SU82K3dZRW1CQmQ1Tk1wT2c9PSIsInZhbHVlIjoib1VNeGcrQ3FsNVlkOVlzdEVKNzU1MFJvSis4bVZvQlNYMkUxL0c4MFI1a2kvRDRwN2hrYjdPUnRlSjdtYXBsbTJFTTNCQnpHS1BhdG05NHNsam9nNWJxT09yMk5rUUt4dHBDUTRJUkV0LzN1WEZZc2UyVVlCUEUyanR3Z0ptVFoiLCJtYWMiOiIyOWRmMTAxYTljYmYyODc2M2IwZDZlNmQ4YzlhNDM5MTkyMGFiNTIwMjQ4NWQ0ZGMxMzFmYTg1YTdlZjUxNjJiIiwidGFnIjoiIn0%3D ◀XSRF-TOKEN=eyJpdiI6InM5NWVOOXgwZ2hrWnFWU05JVkRhMkE9PSIsInZhbHVlIjoiaFp0dVhSUDIwS2xRY1BwVmVHaG9uQ1BvNml4OVBvbXc5YUhiMkR0d254L251VWJja3BCeTRPNWdYS1d0alNLdHJ2ZG0xW ▶" ] "sec-fetch-dest" => array:1 [▶ 0 => "document" ] "sec-fetch-user" => array:1 [▶ 0 => "?1" ] "sec-fetch-mode" => array:1 [▶ 0 => "navigate" ] "sec-fetch-site" => array:1 [▶ 0 => "none" ] "accept" => array:1 [▶ 0 => "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7" ] "user-agent" => array:1 [▶ 0 => "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)" ] "upgrade-insecure-requests" => array:1 [▶ 0 => "1" ] "sec-ch-ua-platform" => array:1 [▶ 0 => ""Windows"" ] "sec-ch-ua-mobile" => array:1 [▶ 0 => "?0" ] "sec-ch-ua" => array:1 [▶ 0 => ""HeadlessChrome";v="129", "Not=A?Brand";v="8", "Chromium";v="129"" ] "cache-control" => array:1 [▶ 0 => "no-cache" ] "pragma" => array:1 [▶ 0 => "no-cache" ] "x-real-ip" => array:1 [▶ 0 => "18.188.115.61" ] "x-forwarded-server" => array:1 [▶ 0 => "debugerror.xyz" ] "x-forwarded-proto" => array:1 [▶ 0 => "https" ] "x-forwarded-port" => array:1 [▶ 0 => "443" ] "x-forwarded-host" => array:1 [▶ 0 => "debugerror.xyz" ] "x-forwarded-for" => array:1 [▶ 0 => "18.188.115.61" ] "host" => array:1 [▶ 0 => "debugerror.xyz" ] ]
0 of 0array:2 [▼ "XSRF-TOKEN" => "BGFVE6qwiHzTjMchq934zYIJ3k0aUQxOeKPWrmGr" "satt_academy_session" => "KwEkiBRH5LbxFh5rkie7lmS1DQCE6bjNqSOl6rxD" ]
0 of 0array:7 [▼ "content-type" => array:1 [▶ 0 => "text/html; charset=UTF-8" ] "cache-control" => array:1 [▶ 0 => "no-cache, private" ] "date" => array:1 [▶ 0 => "Thu, 17 Apr 2025 21:30:43 GMT" ] "x-ratelimit-limit" => array:1 [▶ 0 => "60" ] "x-ratelimit-remaining" => array:1 [▶ 0 => "24" ] "set-cookie" => array:2 [▶ 0 => "XSRF-TOKEN=eyJpdiI6InBaYmlPazJaQUZLTnNHWDlNQ0RWYXc9PSIsInZhbHVlIjoiQTVoS0RyVmZ1YmtzQWxqdWwyM2t0RnZqMTNzK05sMkJtckJkNVViWXlOQStYNlB1WFQvbHZ1bUZIVGVDQXNMb0p1VXk2QWdBb3JNdkNzSkR3elNkSjA1TDhqS085Rk54dEpMUlI4b0NRTzVmcktybS9GSnhoY0RWNnVmSXZ6YzAiLCJtYWMiOiI3YTJiODQ1Mjg4NWE1NTFlNmNhMDE2OTM1MzQzZDM0ZTcxOTI4ZWZjZmRjYjE1ZWQ4NjI2MjU3NGE0OWE4NWFmIiwidGFnIjoiIn0%3D; expires=Fri, 18 Apr 2025 21:30:43 GMT; Max-Age=86400; path=/; secure ◀XSRF-TOKEN=eyJpdiI6InBaYmlPazJaQUZLTnNHWDlNQ0RWYXc9PSIsInZhbHVlIjoiQTVoS0RyVmZ1YmtzQWxqdWwyM2t0RnZqMTNzK05sMkJtckJkNVViWXlOQStYNlB1WFQvbHZ1bUZIVGVDQXNMb0p1VXk2Q ▶" 1 => "satt_academy_session=eyJpdiI6ImIzRUFTVHBCY0xzVjY0Mm1melNxOVE9PSIsInZhbHVlIjoibTlqUnpRQUxFNlFBTlRVL2liQlRmdGVNZHJWUW4xWGdYZFFNYVRoazB1UlE3SWkvOFYzOTA5aDRqZmloZkI4anV0V1Vkd3hQS0libkhNSFBvREVqdVpPR3U0QVBFSW9ma2Q3eWl0VFB3Zjc3bVdmSk4xYURTak95bTcvVExUZHEiLCJtYWMiOiJjMDg3ODNmZjZiZGI4YzFlM2EzYWU1Y2FlMjE5OGU4MzQ4NWRmZWY5NjBhODA4MzBmNjA1Y2JmYzhmOTcwOWQ1IiwidGFnIjoiIn0%3D; expires=Fri, 18 Apr 2025 21:30:43 GMT; Max-Age=86400; path=/; secure; httponly ◀satt_academy_session=eyJpdiI6ImIzRUFTVHBCY0xzVjY0Mm1melNxOVE9PSIsInZhbHVlIjoibTlqUnpRQUxFNlFBTlRVL2liQlRmdGVNZHJWUW4xWGdYZFFNYVRoazB1UlE3SWkvOFYzOTA5aDRqZmloZkI ▶" ] "Set-Cookie" => array:2 [▶ 0 => "XSRF-TOKEN=eyJpdiI6InBaYmlPazJaQUZLTnNHWDlNQ0RWYXc9PSIsInZhbHVlIjoiQTVoS0RyVmZ1YmtzQWxqdWwyM2t0RnZqMTNzK05sMkJtckJkNVViWXlOQStYNlB1WFQvbHZ1bUZIVGVDQXNMb0p1VXk2QWdBb3JNdkNzSkR3elNkSjA1TDhqS085Rk54dEpMUlI4b0NRTzVmcktybS9GSnhoY0RWNnVmSXZ6YzAiLCJtYWMiOiI3YTJiODQ1Mjg4NWE1NTFlNmNhMDE2OTM1MzQzZDM0ZTcxOTI4ZWZjZmRjYjE1ZWQ4NjI2MjU3NGE0OWE4NWFmIiwidGFnIjoiIn0%3D; expires=Fri, 18-Apr-2025 21:30:43 GMT; path=/; secure ◀XSRF-TOKEN=eyJpdiI6InBaYmlPazJaQUZLTnNHWDlNQ0RWYXc9PSIsInZhbHVlIjoiQTVoS0RyVmZ1YmtzQWxqdWwyM2t0RnZqMTNzK05sMkJtckJkNVViWXlOQStYNlB1WFQvbHZ1bUZIVGVDQXNMb0p1VXk2Q ▶" 1 => "satt_academy_session=eyJpdiI6ImIzRUFTVHBCY0xzVjY0Mm1melNxOVE9PSIsInZhbHVlIjoibTlqUnpRQUxFNlFBTlRVL2liQlRmdGVNZHJWUW4xWGdYZFFNYVRoazB1UlE3SWkvOFYzOTA5aDRqZmloZkI4anV0V1Vkd3hQS0libkhNSFBvREVqdVpPR3U0QVBFSW9ma2Q3eWl0VFB3Zjc3bVdmSk4xYURTak95bTcvVExUZHEiLCJtYWMiOiJjMDg3ODNmZjZiZGI4YzFlM2EzYWU1Y2FlMjE5OGU4MzQ4NWRmZWY5NjBhODA4MzBmNjA1Y2JmYzhmOTcwOWQ1IiwidGFnIjoiIn0%3D; expires=Fri, 18-Apr-2025 21:30:43 GMT; path=/; secure; httponly ◀satt_academy_session=eyJpdiI6ImIzRUFTVHBCY0xzVjY0Mm1melNxOVE9PSIsInZhbHVlIjoibTlqUnpRQUxFNlFBTlRVL2liQlRmdGVNZHJWUW4xWGdYZFFNYVRoazB1UlE3SWkvOFYzOTA5aDRqZmloZkI ▶" ] ]
0 of 0array:3 [▼ "_token" => "BGFVE6qwiHzTjMchq934zYIJ3k0aUQxOeKPWrmGr" "_previous" => array:1 [▶ "url" => "https://debugerror.xyz/admission/%E0%A6%AC%E0%A6%BE%E0%A6%AE%E0%A6%BF%E0%A6%82%E0%A6%B9%E0%A6%BE%E0%A6%AE-%E0%A6%B2%E0%A6%A8%E0%A7%8D%E0%A6%A1%E0%A6%A8-49781" ] "_flash" => array:2 [▶ "old" => [] "new" => [] ] ]