পৃথিবীর ৪টি দ্রাঘিমা রেখা (০°, ৯০°, ২৭০° ও ১৮০° ডিগ্রি) এবং ৩টি অক্ষরেখা (কর্কটক্রান্তি রেখা, মকরক্রান্তি রেখা ও নিরক্ষরেখা) পরস্পর ১২টি স্থানে ছেদ করেছে। যার ১০টি পড়েছে সমুদ্রে, আর বাকি ২টি স্থলভাগে। স্থলভাগের একটি মিলনস্থল সাহারা মরুভূমিতে (জনমানবহীন) এবং অন্যটি ফরিদপুরের ভাঙ্গায়। ফরিদপুরের ভাঙ্গা উপজেলার ভাঙ্গারদিয়া গ্রামে নির্মান করা হয়েছে বঙ্গবন্ধু মানমন্দির ৯০ ডিগ্রি পূর্ব দ্রাঘিমা ও কর্কটক্রান্তি রেখার মিলনস্থল এটি।
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 (67.18%) | 153ms |
| 1 x Booting (32.82%) | 74.88ms |
update `subjects` set `view_count` = `view_count` + 1, `subjects`.`updated_at` = '2025-04-18 10:24:27' where `id` = 15972| Bindings |
|
| Backtrace |
|
select `_lft`, `_rgt` from `subjects` where `id` = 15972 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 17532 and 17533) and `subjects`.`deleted_at` is null| Bindings |
|
| Backtrace |
|
select `id`, `description`, `short_description`, `subject_id` from `subject_descriptions` where `subject_descriptions`.`subject_id` in (15972) 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 (15972) 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 (10681) and `subjects`.`deleted_at` is null| Backtrace |
|
select `id`, `description`, `short_description`, `subject_id` from `subject_descriptions` where `subject_descriptions`.`subject_id` in (10681) 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 (15972) 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 * from `subjects` where `subjects`.`id` = 15972 and `subjects`.`deleted_at` is null limit 1| Bindings |
|
| Backtrace |
|
select `id`, `name`, `slug`, `parent_id`, `_lft`, `_rgt` from `subjects` where (17533 between `subjects`.`_lft` and `subjects`.`_rgt` and `subjects`.`id` <> 15972) and `subjects`.`deleted_at` is null order by `_lft` asc| Bindings |
|
| Backtrace |
|
select * from `subjects` where `subjects`.`id` = 15972 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` = 15936 and `subjects`.`deleted_at` is null limit 1| Bindings |
|
| Backtrace |
|
select `id`, `description`, `subject_id` from `subject_descriptions` where `subject_descriptions`.`subject_id` in (15936) and `subject_descriptions`.`deleted_at` is null| Backtrace |
|
select `_lft`, `_rgt` from `subjects` where `id` = 79 limit 1| Bindings |
|
| Backtrace |
|
select `id`, `name`, `parent_id`, `_lft`, `_rgt`, `name`, `slug`, `icon`, `banner` from `subjects` where (`subjects`.`_lft` between 16791 and 20416) and `subjects`.`deleted_at` is null| Bindings |
|
| Backtrace |
|
select * from `mediables` where `mediable_type` = 'App\\Models\\Subject' and `mediable_id` in (15972)| 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` <> 15972 and `parent_id` = 15936 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=eyJpdiI6InpzOGJxUFFhNDlJVnJ5T0kwMks4eHc9PSIsInZhbHVlIjoiOVdBSFRjT05tZlowa1hFTWI1S2RTcnlERG5WcWY2eTluSDRYblNLQklXOStIUlhsKzlWSkxhWXpaWmx3eTVXNU4ySm9UR3dFVkZ1TTZST3ZTZjdubHdqcnVuVjQxTE9YLy91cnhMQ0ZGZkQ5V0xKaktML2llZ1Y5b1gvZmtSckYiLCJtYWMiOiJjYjJmZWM5ZGM1NTExYmM4ZjcxMGE0OGE4MzBiN2FhYzJmYmE0NzllZTJmNTk4MmUwYWNiMDUxMjI2ZTQ3MTEwIiwidGFnIjoiIn0%3D; satt_academy_session=eyJpdiI6IlpXQXJMSWlMdmkrN0JXUzB5M2FXa3c9PSIsInZhbHVlIjoiM0luTW9SSktTeHF6NTJlZVNoakVmVnVtdnpXYzJzQkFYazlzcWFZclB4YVlJN0NrN3Mwei84Z1FaODdpZ3hMc0w5Z2tzMXdYaVRoRkxZSm00ekJhVExaeWUvZ1NzVzJXa2FuMFljdmVoN0M5SStwRFVnelBWYVZXNjhuVkZMTVoiLCJtYWMiOiJlNzU4MzQ4NTNmMDBjZTJkYTkyMDEwNjgzMDc0NWMyODVmZmE1NzNlZmRjZWRkYjQ4OGM5ZDkwYmQxMGEzMTcyIiwidGFnIjoiIn0%3D ◀XSRF-TOKEN=eyJpdiI6InpzOGJxUFFhNDlJVnJ5T0kwMks4eHc9PSIsInZhbHVlIjoiOVdBSFRjT05tZlowa1hFTWI1S2RTcnlERG5WcWY2eTluSDRYblNLQklXOStIUlhsKzlWSkxhWXpaWmx3eTVXNU4ySm9UR ▶" ] "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 => "18.190.158.237" ] "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 => "18.190.158.237" ] "host" => array:1 [▶ 0 => "debugerror.xyz" ] ]
0 of 0array:2 [▼ "XSRF-TOKEN" => "BEsDrK4GZG1vU30MyyhfhDW96COT3FBitAI51GEH" "satt_academy_session" => "T9ZXNQKncWR5E3JzGHINKinBQfP4e7PxQwWeYo87" ]
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 => "Fri, 18 Apr 2025 04:24:27 GMT" ] "x-ratelimit-limit" => array:1 [▶ 0 => "60" ] "x-ratelimit-remaining" => array:1 [▶ 0 => "54" ] "set-cookie" => array:2 [▶ 0 => "XSRF-TOKEN=eyJpdiI6Ild2MVgyTDU2SFZPT3dhMGhYMmFXcVE9PSIsInZhbHVlIjoiQTFWN2I0a0YyUFJjNWdCckJ3b3pzY2pqK2htYis5c1BzTjNTWXVubzJMUVZxWWNSbEtjclJPblBjY0dsU3FKbkVxcitjanZtcUF2SXI3ODhKbGZTSHpoTDFHaERYR0RURFdMVjgyd3hiRm40Q1V6c3JjMWNLeTZ1MlNSa0JuSmciLCJtYWMiOiI2NjljMzdjMjE0OGM1YjNhNWVjYTAzMTI1MWE5ZDNiOWM0ZGZlOTIyOGJkYzllNGM4OGE1Mzc2NGRmNDc0ZTJmIiwidGFnIjoiIn0%3D; expires=Sat, 19 Apr 2025 04:24:27 GMT; Max-Age=86400; path=/; secure ◀XSRF-TOKEN=eyJpdiI6Ild2MVgyTDU2SFZPT3dhMGhYMmFXcVE9PSIsInZhbHVlIjoiQTFWN2I0a0YyUFJjNWdCckJ3b3pzY2pqK2htYis5c1BzTjNTWXVubzJMUVZxWWNSbEtjclJPblBjY0dsU3FKbkVxcitja ▶" 1 => "satt_academy_session=eyJpdiI6IlVHLzdocE9Zci9ZdExGT0dNOTlEbWc9PSIsInZhbHVlIjoiUFRkOVFUVUhaMEswYUxLTWJKS1JBNUxjYVBQOEMzZWRBblM4SklnckJJM2ZmNUxSZ1Q4a0hjVmZCdGpMZ1QzeGVRNXNaLy9JUHhPWmtEd05qcUxtUWJUTUZhT3AxV0w3WitFM2Y3MTdjdEoxTzV3RkdYbXRrd3FGZ1Q0bUpMYlYiLCJtYWMiOiIyMWU3MThjZTgwNzVhYmQzYzFlYTA4ZWE5NzM4MTlhMDkzY2NkZGRkNjZjODJmY2NjZTZlYzYxMjkxN2I0MDIxIiwidGFnIjoiIn0%3D; expires=Sat, 19 Apr 2025 04:24:27 GMT; Max-Age=86400; path=/; secure; httponly ◀satt_academy_session=eyJpdiI6IlVHLzdocE9Zci9ZdExGT0dNOTlEbWc9PSIsInZhbHVlIjoiUFRkOVFUVUhaMEswYUxLTWJKS1JBNUxjYVBQOEMzZWRBblM4SklnckJJM2ZmNUxSZ1Q4a0hjVmZCdGpMZ1Q ▶" ] "Set-Cookie" => array:2 [▶ 0 => "XSRF-TOKEN=eyJpdiI6Ild2MVgyTDU2SFZPT3dhMGhYMmFXcVE9PSIsInZhbHVlIjoiQTFWN2I0a0YyUFJjNWdCckJ3b3pzY2pqK2htYis5c1BzTjNTWXVubzJMUVZxWWNSbEtjclJPblBjY0dsU3FKbkVxcitjanZtcUF2SXI3ODhKbGZTSHpoTDFHaERYR0RURFdMVjgyd3hiRm40Q1V6c3JjMWNLeTZ1MlNSa0JuSmciLCJtYWMiOiI2NjljMzdjMjE0OGM1YjNhNWVjYTAzMTI1MWE5ZDNiOWM0ZGZlOTIyOGJkYzllNGM4OGE1Mzc2NGRmNDc0ZTJmIiwidGFnIjoiIn0%3D; expires=Sat, 19-Apr-2025 04:24:27 GMT; path=/; secure ◀XSRF-TOKEN=eyJpdiI6Ild2MVgyTDU2SFZPT3dhMGhYMmFXcVE9PSIsInZhbHVlIjoiQTFWN2I0a0YyUFJjNWdCckJ3b3pzY2pqK2htYis5c1BzTjNTWXVubzJMUVZxWWNSbEtjclJPblBjY0dsU3FKbkVxcitja ▶" 1 => "satt_academy_session=eyJpdiI6IlVHLzdocE9Zci9ZdExGT0dNOTlEbWc9PSIsInZhbHVlIjoiUFRkOVFUVUhaMEswYUxLTWJKS1JBNUxjYVBQOEMzZWRBblM4SklnckJJM2ZmNUxSZ1Q4a0hjVmZCdGpMZ1QzeGVRNXNaLy9JUHhPWmtEd05qcUxtUWJUTUZhT3AxV0w3WitFM2Y3MTdjdEoxTzV3RkdYbXRrd3FGZ1Q0bUpMYlYiLCJtYWMiOiIyMWU3MThjZTgwNzVhYmQzYzFlYTA4ZWE5NzM4MTlhMDkzY2NkZGRkNjZjODJmY2NjZTZlYzYxMjkxN2I0MDIxIiwidGFnIjoiIn0%3D; expires=Sat, 19-Apr-2025 04:24:27 GMT; path=/; secure; httponly ◀satt_academy_session=eyJpdiI6IlVHLzdocE9Zci9ZdExGT0dNOTlEbWc9PSIsInZhbHVlIjoiUFRkOVFUVUhaMEswYUxLTWJKS1JBNUxjYVBQOEMzZWRBblM4SklnckJJM2ZmNUxSZ1Q4a0hjVmZCdGpMZ1Q ▶" ] ]
0 of 0array:3 [▼ "_token" => "BEsDrK4GZG1vU30MyyhfhDW96COT3FBitAI51GEH" "_previous" => array:1 [▶ "url" => "https://debugerror.xyz/admission/%E0%A6%AC%E0%A6%99%E0%A7%8D%E0%A6%97%E0%A6%AC%E0%A6%A8%E0%A7%8D%E0%A6%A7%E0%A7%81-%E0%A6%AE%E0%A6%BE%E0%A6%A8%E0%A6%AE%E0%A6%A8%E0%A7%8D%E0%A6%A6%E0%A6%BF%E0%A6%B0-94788 ◀https://debugerror.xyz/admission/%E0%A6%AC%E0%A6%99%E0%A7%8D%E0%A6%97%E0%A6%AC%E0%A6%A8%E0%A7%8D%E0%A6%A7%E0%A7%81-%E0%A6%AE%E0%A6%BE%E0%A6%A8%E0%A6%AE%E0%A6%A8 ▶" ] "_flash" => array:2 [▶ "old" => [] "new" => [] ] ]