@m.d.shahin481: #Islamic #video #foryou #

ﷺ🕋ﷺMD SHAHIN🇧🇩🇧🇳ﷺ🕋ﷺ
ﷺ🕋ﷺMD SHAHIN🇧🇩🇧🇳ﷺ🕋ﷺ
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Monday 12 October 2026 15:59:24 GMT
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ferdous3538
﷽🕋﷽FERDOUS ﷺ🕋ﷺ :
https://vt.tiktok.com/ZSbwKT3Rm/
2026-10-12 16:19:18
0
fatunto150
Tulai Barri :
amine amine amine
2026-10-12 16:07:31
3
morgina56
SIKDAR💫🇧🇩🇵🇹 :
https://vt.tiktok.com/ZSbKLbWgy/
2026-10-12 17:53:35
0
.911777409
يحي سعيدالمخزومى911 :
الله أكبر الله أكبر الله أكبر
2026-10-12 19:01:43
0
fatehislam8
সাইফুল ইসলাম :
dan
2026-10-12 16:07:49
2
kiss.2289
Kiss Cosmétiques ♻️BIO♻️ :
S A W ❤️❤️❤️❤️
2026-10-12 18:23:28
0
kassirou.60
kassirou 60# :
Saw
2026-10-12 17:33:39
0
user85558303422947
BAWAYA :
Amiin
2026-10-12 18:13:03
0
maghnou17
🇩🇿 ÆZïzo🇩🇿 :
يا الله
2026-10-12 18:32:44
0
s1b79s
نـــيــلا💙 :
الله
2026-10-12 18:11:47
0
user9507237678518
ابوجنات :
سبحان الله العظيم واتوب
2026-10-12 18:31:35
0
rejoicej39
Zion~Dorta🙏 :
Amine
2026-10-12 18:44:32
0
murat200909
Murat2009 :
🥰🥰🥺🥺🥺🥰🥰🥰🥰🥰🥰🥰
2026-10-12 20:09:03
0
cond.fanta.62653
Condé Fanta 62653 :
Amine amine amine amine amine amine amine amine amine amine amine amine amine
2026-10-12 19:03:56
0
samira.rweza
Samira rweza :
Allah wakbr
2026-10-12 18:18:51
0
user2505957757912
Dear mama💕🌺👏 :
Allahu Akbar 🙏🙏🙏🙏
2026-10-12 18:12:50
0
agdoukaribsso1
karim cissé (◍•ڡ•◍)❤ :
2026-10-12 18:00:14
0
.911777409
يحي سعيدالمخزومى911 :
صلي آلله عليه وسلم
2026-10-12 19:01:50
0
user6111746329555
بها الدين جادالله :
الله اكبر
2026-10-12 16:34:57
0
l.miss.you1942
l miss you 💕💕 :
S.W.A
2026-10-12 16:34:09
0
alamrafique1992
Rafique Alam :
Ameen
2026-10-12 19:17:16
0
hridaypara
❤️@🕋أمي 🌿هي 🌿جنت🕋♥️ :
طبعي الوفاء 🤍 🇹🇷 🕊️:.اللهم يا رب 🤲 ارزقني زوجةً صالحةً طيبة 👰🤵💍، تحبني بقلبٍ صادق 💖، وأحبها بروحٍ مطمئنة 🤍، وتكون لي سكنًا وراحة 🌷🏡، وأكون لها أمانًا وظهرًا وسندًا 💞. اللهم اجعل بيننا مودةً عميقة 🌸💑، ورحمةً دائمة 🌷، وحبًا يكبر يومًا بعد يوم 💕🌼، ووفاءً لا يتغير 🤍🔒، وإخلاصًا يملأ القلوب طمأنينة 💖. اللهم اجعلنا نتقرب إليك معًا بالصلاة 🤲🕌، ونطمئن بذكرك 📿🤍، ونجتمع على الدعاء والسجود 🕋، ونكون عونًا لبعضنا على طاعتك ورضاك 🌿🌟. اللهم ارزقنا قلوبًا خاشعة 💞، وألسنةً ذاكرة 🌸📿، وأعمالًا صالحة 🤍، ووفقنا لحفظ كتابك والعمل به 📖🌷. اللهم اجعل في علاقتنا حنانًا واهتمامًا 🌷💬، ودلالًا يقرب القلوب 💞، واحتواءً يداوي التعب 🫂🤍، وكلامًا طيبًا يزرع الفرح 😊🌸. اللهم اجعل بيتنا عامرًا بحبك 🏡🕊️، وأيامنا نورًا وسكينة ☀️🌺، وليالينا طمأنينةً ودفئًا 🌙💞، واجعلنا لبعضنا نعمةً تقودنا إليك 🤍💑💞.
2026-10-12 16:43:48
0
gylycdurdyyew12
соно :
амин
2026-10-12 16:24:42
0
allahloves92
💞💞Rima Aktar💞💞 :
new
2026-10-12 16:34:10
0
moussa.cisse089
Moussa Cisse :
🥰🥰🥰
2026-10-12 16:01:09
0
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Comment LOCK and I'll send you the cheat sheet comparing locks, atomic updates, and constraints. One ticket left. Two people click Buy at the same time. Both your screens say you got it. ⚡ The bug isn't in your checkout code, it's the gap between checking and writing. Your server reads the seat, sees available, and then, before it writes sold, does something else entirely ⚡ In that gap Leo's request runs the exact same read. It also sees available. Then both writes land, and you send two confirmation emails for one chair ⚡ This is a race condition: not a rare crash, but the ordinary outcome of two requests arriving at once. Nothing threw. Nothing warned. The database did exactly what it was asked, twice ⚡ The first fix is pessimistic locking. SELECT ... FOR UPDATE takes a row lock, and Leo's request can't even read that row until Maya's transaction commits. The queue behind it stops being optional ⚡ The second fix is better because it removes the gap entirely: fold the check into the write. UPDATE seats SET status='sold' WHERE seat='F12' AND status='available', one statement, one decision ⚡ That runs as a single atomic operation. The check and the update either both succeed or neither happens. There is no
Comment LOCK and I'll send you the cheat sheet comparing locks, atomic updates, and constraints. One ticket left. Two people click Buy at the same time. Both your screens say you got it. ⚡ The bug isn't in your checkout code, it's the gap between checking and writing. Your server reads the seat, sees available, and then, before it writes sold, does something else entirely ⚡ In that gap Leo's request runs the exact same read. It also sees available. Then both writes land, and you send two confirmation emails for one chair ⚡ This is a race condition: not a rare crash, but the ordinary outcome of two requests arriving at once. Nothing threw. Nothing warned. The database did exactly what it was asked, twice ⚡ The first fix is pessimistic locking. SELECT ... FOR UPDATE takes a row lock, and Leo's request can't even read that row until Maya's transaction commits. The queue behind it stops being optional ⚡ The second fix is better because it removes the gap entirely: fold the check into the write. UPDATE seats SET status='sold' WHERE seat='F12' AND status='available', one statement, one decision ⚡ That runs as a single atomic operation. The check and the update either both succeed or neither happens. There is no "between" left for a second request to stand in Even buggy code can't break that rule, because the constraint lives in the database, not in your code. A unique key on the event-and-seat pair means two confirmed tickets for the same seat can't physically exist in the table. The engine refuses the second insert no matter what your application does. The database never really picks a winner by magic. It forces the two requests into a line. One goes first. The other sees the result. Two rules that outlive this specific example: keep your checks inside the write, and keep the final guarantee in the schema. Which has cost you more time, the bug or the incident review after it? Comment LOCK for the full cheat sheet. #databases #concurrency #postgresql #backend #programming

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