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Vishal kumar Profile
Vishal kumar

@Vishal_react

Followers
15
Following
75
Media
22
Statuses
154

Software Engineer

Joined March 2025
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@Vishal_react
Vishal kumar
9 months
Why do we use Chunking in JavaScript?🤓 Well, Short Answer: Chunk heavy tasks or offload them to Web Workers.😎 Checkout this extremely important optimization concept in this thread. (relevant to all frameworks, be it React, Angular or Vue) #js #javascript #WebDevelopment
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@Vishal_react
Vishal kumar
1 month
Twitter is cool. But it’s 10x better when you connect with people who code. If you’re into tech, AI, or programming, say hi 👋
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@Vishal_react
Vishal kumar
1 month
Twitter is cool. But it’s 10x better when you connect with people who code. If you’re into tech, AI, or programming, say hi 👋
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@Vishal_react
Vishal kumar
2 months
Micro SaaS Day 0 🫡 Building Databricks Guardrails, an action first FinOps tool that prevents cloud waste. ✅auto-right-sizes compute ✅ auto-pauses idle workloads ✅ safe apply / rollback Goal: cut 15–35 % infra spend in < 90 days. #SaaS #FinOps #Databricks
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@Vishal_react
Vishal kumar
2 months
No one is reaching out for help. This was my daughter’s third Diwali, and @zomato destroyed it. I curse @zomato, may it not survive the next 3 Diwalis.
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@Vishal_react
Vishal kumar
3 months
Saw this on LinkedIn today I really admire @striver_79 and thank his efforts for Coders, but don’t you think this is too much? Virat Kohli, Seriously 😂😂 Ps. No offence intended.
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@Vishal_react
Vishal kumar
3 months
If Zomato, Uber, and Zepto levy higher charges on iOS and high-end phones, shouldn’t ChatGPT provide more nuanced responses and Netflix deliver superior video quality to the same users?
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@Vishal_react
Vishal kumar
4 months
Soon, Modi and Trump will be walking hand in hand like they’re old pals on a picnic. Mark my words! #modi #trump
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@Vishal_react
Vishal kumar
4 months
Controversial Opinion: Block influencers who came with a thumbnail like “GPT 5 will take your job”. Trust me they are more toxic than your sweet spoken enemy.
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@Vishal_react
Vishal kumar
4 months
Any one available to join within 15 days for a full stack engineer role (python based)? It's for a US based startup hiring in India. Please reach out if interested. #HiringNow #python #hiring #tech #fullstackdeveloper
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@Vishal_react
Vishal kumar
5 months
Hey @X algorithm, I’m looking forward to #connect with people interested in 👇 💻 JavaScript ⚛️ React 📚 DSA 🖥️ Full Stack Development 🎨 Frontend 🛠️ Backend 🚀 Node.js ✅ Software Development 💡 Projects & Collaboration 💼 Job Opportunities #LearnInPublic #letsconnect
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@Vishal_react
Vishal kumar
6 months
Shouldn't Soham Parekh🧑‍💻 be a hero? Why so many critics? What he pulled off is in 99.99 percentile. Just a thought 💭
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@Vishal_react
Vishal kumar
6 months
I got my first follower 💥🎉🥳 Thanks @Uipirqa4150870 👍 Comment down below and I will follow you! Looking for techies!
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@Vishal_react
Vishal kumar
6 months
Who will be my first follower 😁? Looking to connect with frontend Engineers
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@Vishal_react
Vishal kumar
7 months
9/ In Summary: Symbol() is for unique, private keys (GC’d). Symbol.for() is for shared, app/global-wide keys (lives forever). Don’t bloat the global symbol registry—use with intent!
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@Vishal_react
Vishal kumar
7 months
8/ Hidden Object Properties Symbol properties are non-enumerable: Not in for...in, Object.keys, or JSON.stringify. Only visible with Object.getOwnPropertySymbols(obj).
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@Vishal_react
Vishal kumar
7 months
7/ Bonus: Retrieving Symbol Keys You can get the key back with: Symbol.keyFor(Symbol.for("abc")) // "abc"
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@Vishal_react
Vishal kumar
7 months
6/ Practical Usage Use Symbol.for for app-wide constants or plugin interoperability. Don’t use Symbol.for in loops with unbounded/dynamic keys.
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@Vishal_react
Vishal kumar
7 months
5/ Memory Implications You Should Know 🧠 Symbol() — GC eligible when not referenced. Symbol.for() — Never garbage collected! Stays forever in the global registry. Avoid using with lots of dynamic keys (Symbol.for(userInput)), or you risk registry bloat.
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@Vishal_react
Vishal kumar
7 months
4/ How Does the Registry Work? Think of it as a global Map: { "abc": Symbol(abc), "xyz": Symbol(xyz) } All Symbol.for("abc") calls return the same symbol (shared across files/modules).
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@Vishal_react
Vishal kumar
7 months
3/ Global Symbol Registry with Symbol.for Symbol.for("abc") checks a global registry. If a symbol with the key exists, it reuses it. Otherwise, it creates & registers a new one. So, Symbol.for("abc") === Symbol.for("abc") // true
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