💡 𝗧𝗶𝗽 𝗼𝗳 𝘁𝗵𝗲 𝗗𝗮𝘆 — 𝗗𝗷𝗮𝗻𝗴𝗼 𝗗𝗶𝗱 𝘆𝗼𝘂 𝗸𝗻𝗼𝘄? Django’s "select_for

💡 𝗧𝗶𝗽 𝗼𝗳 𝘁𝗵𝗲 𝗗𝗮𝘆 — 𝗗𝗷𝗮𝗻𝗴𝗼 𝗗𝗶𝗱 𝘆𝗼𝘂 𝗸𝗻𝗼𝘄? Django’s "select_for_update()...💡 𝗧𝗶𝗽 𝗼𝗳 𝘁𝗵𝗲 𝗗𝗮𝘆 — 𝗗𝗷𝗮𝗻𝗴𝗼 𝗗𝗶𝗱 𝘆𝗼𝘂 𝗸𝗻𝗼𝘄? Django’s "select_for_update()...

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Tonye Onuoha

pro

• Aug 15

💡 𝗧𝗶𝗽 𝗼𝗳 𝘁𝗵𝗲 𝗗𝗮𝘆 — 𝗗𝗷𝗮𝗻𝗴𝗼

𝗗𝗶𝗱 𝘆𝗼𝘂 𝗸𝗻𝗼𝘄? Django’s "select_for_update()" lets you 𝗹𝗼𝗰𝗸 𝗿𝗼𝘄𝘀 𝗶𝗻 𝘁𝗵𝗲 𝗱𝗮𝘁𝗮𝗯𝗮𝘀𝗲 𝗱𝘂𝗿𝗶𝗻𝗴 𝗮 𝘁𝗿𝗮𝗻𝘀𝗮𝗰𝘁𝗶𝗼𝗻.

This prevents other transactions from modifying the same rows until your transaction is complete.

🔧 𝗨𝘀𝗲 𝗶𝘁 𝗳𝗼𝗿:

- Financial operations (e.g., updating balances)

- Inventory systems

- Any critical section where race conditions must be avoided

𝗜𝗺𝗽𝗼𝗿𝘁𝗮𝗻𝘁: It only works inside a database transaction ("atomic" block).

Safer concurrency = fewer data integrity issues.

#WebDevelopment #DatabaseDesign #FullstackDeveloper

Backend Development Django Python

Prem Shandilya

pro

• Aug 19

Which direction would you pick? 👀 A: Howdy --> Multilingual Preloader B: Dither Preloader --> Dither effect Loader 🌟Explore for more components. 👇🏻 A or B ?

dither halftone Framer

8 voted

57%

6 voted

43%

14 votes

Closed

Resma M

• Aug 19

Dither one for sure

Kayla Li

• Aug 19

🔥

Nacho Valenz

pro

• Aug 19

CCRROOAAKK!! Another chapter from a parallel universe, a 40 second one-take AI film. The hiker returns to the toad's hollow, reaches inside and pulls out a handful of glowing matter. He breathes it in, and the trip takes him: galaxies turn inside his eyes, translucent copies of...