Code Sphere by Mahmoud Ali

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Code Sphere by Mahmoud Ali ๐Ÿš€ Hi, Iโ€™m Mahmoud Ali, the mind behind Code Sphere. I create modern full-stack web projects using React, Next.js, Node.js, and more.

๐ŸŒ ุจู†ุณุงุนุฏ ุงู„ู…ุทูˆุฑูŠู† ูˆุนุดุงู‚ ุงู„ุชูƒู†ูˆู„ูˆุฌูŠุง ุจู…ุญุชูˆู‰ ุจุณูŠุท ุนู† ุงู„ุจุฑู…ุฌุฉุŒ ุงู„ุฃุฏูˆุงุช ุงู„ุญุฏูŠุซุฉุŒ ูˆุงู„ูุฑุต ุงู„ุฌุฏูŠุฏุฉ.
๐Ÿ‘จโ€๐Ÿ’ป ุฃู†ุง ู…ุญู…ูˆุฏ ุนู„ูŠุŒ ู…ุทูˆุฑ ูˆูŠุจ ูˆุดุบูˆู ุจู†ุดุฑ ูƒู„ ุฌุฏูŠุฏ.
๐Ÿš€ ุงู†ุถู… ู„ูŠู†ุง ูˆุฎู„ูŠูƒ ุฌุฒุก ู…ู† ุฑุญู„ุฉ ุงู„ุชุทูˆูŠุฑ ูˆุงู„ุฅุจุฏุงุน! Follow for tips, projects, and dev content that makes coding easier and smarter.

20/09/2026

Shout out to my newest followers! Excited to have you onboard! Lara Hindy, ู…ุญู…ุฏ ุตุจุญูŠ

13/09/2026

ููŠุฏูŠูˆ ุฌุฏูŠุฏ ู…ู† ES6 Playlist ๐Ÿš€
ุงู„ู†ู‡ุงุฑุฏู‡ ุจู†ุชูƒู„ู… ุนู† Spread Operator (...) ููŠ JavaScriptุŒ ูˆูƒู…ุงู† ุจู†ูˆุถุญ ุงู„ูุฑู‚ ุจูŠู† Copy by Value ูˆ Copy by Reference ุจุทุฑูŠู‚ุฉ ุจุณูŠุทุฉ ูˆุนู…ู„ูŠุฉ.
ู„ูˆ ุจุชุชุนู„ู… JavaScript ุฃูˆ ReactุŒ ุงู„ููŠุฏูŠูˆ ุฏู‡ ู‡ูŠุณุงุนุฏูƒ ุชูู‡ู… ู†ู‚ุทุฉ ู…ู‡ู…ุฉ ุฌุฏู‹ุง ุจุชุชู‚ุงุจู„ ู…ุนุงู‡ุง ูƒุชูŠุฑ ููŠ ุงู„ู€ Arrays ูˆุงู„ู€ Objects.
ุดูˆู ุงู„ููŠุฏูŠูˆ ูˆู‚ูˆู„ูŠ ุฑุฃูŠูƒ ๐Ÿ‘‡

ู„ูŠู‡ let ุจุชุนู…ู„ Error ู„ู…ุง ุชุณุชุฎุฏู…ู‡ุง ู‚ุจู„ ู…ุง ุชุนุฑูู‡ุงุŸุงู„ู€ Hoisting ู…ุด ู…ุฌุฑุฏ ู†ู‚ู„ ู„ู„ูƒูˆุฏ ู„ู„ุฃุนู„ู‰! ุชุนุงู„ูˆุง ู†ููƒ ุทู„ุงุณู… ุงู„ู€ Ex*****on Con...
14/08/2026

ู„ูŠู‡ let ุจุชุนู…ู„ Error ู„ู…ุง ุชุณุชุฎุฏู…ู‡ุง ู‚ุจู„ ู…ุง ุชุนุฑูู‡ุงุŸ

ุงู„ู€ Hoisting ู…ุด ู…ุฌุฑุฏ ู†ู‚ู„ ู„ู„ูƒูˆุฏ ู„ู„ุฃุนู„ู‰! ุชุนุงู„ูˆุง ู†ููƒ ุทู„ุงุณู… ุงู„ู€ Ex*****on Context ูˆู†ูู‡ู… ุฅุฒุงูŠ ู…ุญุฑูƒ ุงู„ุฌุงูุงุณูƒุฑูŠุจุช ุจูŠุชุนุงู…ู„ ู…ุน let

ุจุชูˆุงุฌู‡ ู…ุดุงูƒู„ ูˆุฃุฎุทุงุก ุบูŠุฑ ู…ุชูˆู‚ุนุฉ ุจุณุจุจ ุงู„ู€ Hoisting ููŠ ุงู„ุฌุงูุงุณูƒุฑูŠุจุชุŸ ุง...

ู„ูŠู‡ ุจู„ุงุด ุชุณุชุฎุฏู… ุงู„ู€ Index ูƒู€ Key ููŠ ReactุŸ ๐Ÿ›‘๐Ÿ’ปูˆุฅู†ุช ุดุบุงู„ ููŠ React ูˆุจุชู‚ุฑุฃ Array ุนุดุงู† ุชู€ render ู‚ุงุฆู…ุฉ ( ุฃูˆ ุบูŠุฑู‡ุง)ุŒ ุฃุณู‡ู„ ุญุงุฌุฉ...
13/08/2026

ู„ูŠู‡ ุจู„ุงุด ุชุณุชุฎุฏู… ุงู„ู€ Index ูƒู€ Key ููŠ ReactุŸ ๐Ÿ›‘๐Ÿ’ป

ูˆุฅู†ุช ุดุบุงู„ ููŠ React ูˆุจุชู‚ุฑุฃ Array ุนุดุงู† ุชู€ render ู‚ุงุฆู…ุฉ ( ุฃูˆ ุบูŠุฑู‡ุง)ุŒ ุฃุณู‡ู„ ุญุงุฌุฉ ุจู†ุฌุฑูŠ ุนู„ูŠู‡ุง ุนุดุงู† ู†ุฎู„ุต ู…ู† ุงู„ู€ Warning ู‡ูŠ:
(item, index) =>

ุจุณ ุชุนุงู„ ุฃู‚ูˆู„ูƒ ู„ูŠู‡ ุงู„ุญุฑูƒุฉ ุฏูŠ Bad Practice ูˆู‚ุฏุงู… ุจุชุนู…ู„ ู…ุดุงูƒู„ ูˆุจุฌุงุช ุฑุฎู…ุฉ:

1๏ธโƒฃ ุงู„ู€ React Virtual DOM ุจูŠุชุฒุงูˆู„:
ุงู„ู€ React ุจูŠุนุชู…ุฏ ุนู„ู‰ ุงู„ู€ key ุนุดุงู† ูŠุนุฑู ุฃู†ู‡ูŠ ุนู†ุตุฑ ุงุชุนุฏู„ ุฃูˆ ุงุชุฏู„ุช. ู„ู…ุง ุจุชุฏูŠู„ู‡ ุงู„ู€ index (0, 1, 2...)ุŒ ูˆุฌูŠุช ู…ุณุญุช ุฃูˆู„ ุนู†ุตุฑ.. ุงู„ุนู†ุตุฑ ุงู„ู„ูŠ ุจุนุฏู‡ ุจูŠุงุฎุฏ index 0! ุจุงู„ู†ุณุจุฉ ู„ู€ ReactุŒ ู‡ูˆ ูุงูƒุฑ ุฅู† ุงู„ุนู†ุตุฑ ู‡ูˆ ู‡ูˆ ุจุณ ุงู„ุฏุงุชุง ุงุชุบูŠุฑุชุŒ ููŠุนูŠุฏ ุฑุณู… ุงู„ู€ DOM ูƒู„ู‡ ู…ู† ุฌุฏูŠุฏ ุน ุงู„ูุงุถูŠ ูˆูŠุชู‚ู„ ุงู„ุฃุฏุงุก.

2๏ธโƒฃ ู…ุดุงูƒู„ ู…ุน ุงู„ู€ Inputs ูˆุงู„ู€ State:
ู„ูˆ ุงู„ู‚ุงุฆู…ุฉ ุฏูŠ ููŠู‡ุง ุฃูˆ State ุฏุงุฎู„ูŠุฉุŒ ูˆุฌูŠุช ุดู‚ู„ุจุช ุงู„ุชุฑุชูŠุจ ุฃูˆ ู…ุณุญุช ุนู†ุตุฑุŒ ุงู„ู€ State ู‡ุชู„ุฒู‚ ููŠ ุงู„ู€ Index ู…ุด ููŠ ุงู„ุนู†ุตุฑ ู†ูุณู‡ุŒ ูุชู„ุงู‚ูŠ ุงู„ูƒู„ุงู… ุงู„ู„ูŠ ูƒุชุจุชู‡ ุงุชู†ู‚ู„ ู„ุนู†ุตุฑ ุชุงู†ูŠ ุจุงู„ุฎุทุฃ!

๐Ÿ’ก ุงู„ุญู„ ุงู„ุตุญ ุฅูŠู‡ุŸ
ุงุณุชุนู…ู„ Unique ID ูุฑูŠุฏ ูˆุซุงุจุช ุฌุงูŠ ู…ู† ุงู„ุฏุงุชุงุจูŠุฒ ุฒูŠ (item.id) ุฃูˆ ูˆู„ู‘ุฏ ID ุซุงุจุช ู„ูƒู„ ุนู†ุตุฑุŒ ุนุดุงู† ุชุถู…ู† ุฃุฏุงุก ุตุญ ูˆูƒูˆุฏ ู†ุถูŠู.

#ุชูƒูˆูŠุฏ

ุงู†ุถู… ู„ุฌุฑูˆุจู†ุง ุนู„ู‰ ููŠุณุจูˆูƒ Code Sphere ูˆุดุงุฑูƒู†ุง ุฃููƒุงุฑูƒ ูˆุฃุณุฆู„ุชูƒ! ๐Ÿš€

ูˆู…ุชู†ุณุงุด ุชุจุต ุนู„ู‰ ู‚ู†ุงุฉ ุงู„ูŠูˆุชูŠูˆุจ:

ุจู†ุดุฑุญ ููŠู‡ุง ูƒูˆุฏ ุจุฌุฏุŒ ู…ู† ุบูŠุฑ ุฑุบูŠ ูƒุชูŠุฑุŒ ูˆุดูˆุงุฑุน ุงู„ู€ Web Dev ุญุชุฉ ุญุชุฉ! ุงุดุชุฑูƒ ูˆูู‘ุนู„ ุงู„ุฌุฑุณ ุนุดุงู† ูŠูˆุตู„ูƒ ูƒู„ ุฌุฏูŠุฏ ุฃูˆู„ ุจุฃูˆู„ https://www.youtube.com/

19/07/2026
18/07/2026

ู„ูˆ ูุงูƒุฑ ุฅู† ุงู„ู€ Rate Limiting ู‡ูˆ ู‡ูˆ ุงู„ู€ ThrottlingุŒ ูุบุงู„ุจุงู‹ ุงู„ุณูŠุฑูุฑ ุจุชุงุนูƒ ู‡ูŠุฌูŠุจ Error 429 ููŠ ุฃูˆู„ ุฅู†ุชุฑููŠูˆ ุชู‚ูŠู„! ๐Ÿ˜…

ููŠ ุงู„ู€ Short ุฏู‡ุŒ ุฌูŠุจุชู„ูƒ ู…ู† ุงู„ุขุฎุฑ ูˆุงู„ุฒุจุฏุฉ ุงู„ู„ูŠ ู…ุญุฏุด ู‡ูŠู‚ูˆู„ู‡ุงู„ูƒ ููŠ ู‡ู†ุฏุณุฉ ุงู„ู€ APIsุŒ ูˆุนุฑูู†ุง ุฅู…ุชู‰ ุงู„ุณูŠุฑูุฑ ุจูŠู‚ูˆู„ูƒ 'You shall not pass' ูˆุฅู…ุชู‰ ุจูŠู‚ูˆู„ูƒ 'Slow down, friend'.. ูˆุงูุชูƒุฑ ุงู„ู‚ุงุนุฏุฉ ุฏูŠ ุฏุงูŠู…ุงู‹:
๐Ÿ”น Throttle = HOW
๐Ÿ”น Rate limit = HOW MUCH

ุชุงุจุน ุงู„ู‚ู†ุงุฉ ุนุดุงู† ูŠู‚ุงุจู„ูƒ ุงู„ูƒูˆู†ุณูŠุจุช ุงู„ุฌุงูŠุŒ ูˆุฏูˆุณ ู„ุงูŠูƒ ูˆุดูŠุฑ ุนุดุงู† ุชููŠุฏ ุบูŠุฑูƒ! ๐Ÿš€๐Ÿ”ฅ (ุงู„ู„ูŠู†ูƒ ููŠ ุฃูˆู„ ุชุนู„ูŠู‚)

"

15/07/2026

Shout out to my newest followers! Excited to have you onboard! Essam Waleed, Al-Mutasem Jabreel Al-Robasi

15/07/2026

ุจุนุฏ ู…ุง ุนูƒูŠู†ุง ู…ุน ุงู„ู€ Callbacks ูˆุดูˆูู†ุง ุงู„ู€ Callback Hell ุงู„ู…ุธู„ู…ุฉุŒ ุฌู‡ ุงู„ูˆู‚ุช ู†ุทู„ุน ู…ู† ุงู„ุญูุฑุฉ ุฏูŠ ุจุฃู‚ูˆู‰ ุณู„ุงุญ ููŠ ุงู„ู€ JavaScript:
ุงู„ู€ Promises ูˆุงู„ู€ Async/Await! ููŠ ุฏู‚ูŠู‚ุฉ ูˆุงุญุฏุฉ ุจุณุŒ
ู‡ุจุณุทู„ูƒ ุฅุฒุงูŠ ุชูƒุชุจ ูƒูˆุฏ ู†ุถูŠูุŒ ู…ู‚ุฑูˆุกุŒ ูˆู…ู†ุธู… ู…ู† ุบูŠุฑ ู…ุง ุชุณุญู„ ู†ูุณูƒ ููŠ ุงู„ู€ Chains ุงู„ู…ุนู‚ุฏุฉ! ๐Ÿ˜‰๐Ÿงน
๐Ÿ“Œ ุงุดุชุฑูƒ ููŠ ุฌุฑูˆุจู†ุง ุนู„ู‰ ููŠุณุจูˆูƒ Code Sphere ุนุดุงู† ุชุดุงุฑูƒ ููŠ ุงู„ุชุญุฏูŠุงุช ุงู„ูŠูˆู…ูŠุฉ ูˆุชุฌุงูˆุจ ุนู„ู‰ ุณุคุงู„ ุงู„ู€ Hoisting ุงู„ู„ูŠ ุณุงูŠุจู‡ูˆู„ูƒู… ู‡ู†ุงูƒ! ๐Ÿ‘‡ ูˆุงุดุชุฑูƒ ู‡ู†ุง ููŠ ู‚ู†ุงุฉ ุงู„ูŠูˆุชูŠูˆุจ ุนู„ุดุงู† ุงู„ู„ูŠ ุฌุงูŠ ุชู‚ูŠู„ (ุงู„ู„ูŠู†ูƒ ููŠ ุงู„ุชุนู„ูŠู‚ุงุช)

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