akhilesh kumar ojha

@system_monarch Netflix isn’t solving this per device—the OS,hardware, and DRM ecosystem enforce it for them. The magic piece is Widevine/FairPlay/PlayReady+hardware-backed secure video paths. Netflix sends encrypted video, and your device only decrypts it inside a secure, protected environment.

Software Engineering is also the only career where interview is harder than actual job ..

What is JWT actually ??? I've tried my best to summarize it below

@mathpulses 4

Solve this problem 🤯😲

Vibe coders are confused by: - npm install - npm run dev - http://localhost:3000/ What else am I missing?

@javarevisited DISTINCT = remove duplicates GROUP BY = group + (optional) aggregate DISTINCT and GROUP BY usually have the same performance since databases use similar execution plans like hash or sort aggregation, unless additional aggregations are involved.

Interviewer: Which is faster? DISTINCT vs GROUP BY

@Palak3312 49

Don’t answer too fast… think first 👇 JavaScript console.log("5" + 2 - 3); What’s the result?

@BrainBoosterX H=36

Comment your answer. H = ???

@CseWhy The correct answer is (d) 1, 2, 3 and 4. All four of the mentioned platforms are part of India's digital public infrastructure and are built on open-source frameworks and technologies

Can you answer this?

@mathtech789 4, -4

X^3/(X+X+X+X)=4 X=?

@mbtupsc (b) Tur, Urad and Masoor. The Union Cabinet approved the "Mission for Aatmanirbharta in Pulses" (covering the period from 2025–26 to 2030–31) to achieve self-sufficiency and reduce import dependency.

@SumitM_X * = public API credentials = private data You can’t mix them When credentials are included, CORS requires a specific origin instead of * to prevent exposing sensitive data like cookies to any domain.

Frontend at app.example.com makes a fetch request with credentials: 'include' to api.example.com. The server responds with Access-Control-Allow-Origin: *. Why does the browser still block this?

@UpscRepublicX b) WTO. The Marrakesh Agreement, signed on April 15, 1994, in Marrakesh, Morocco, concluded the Uruguay Round of multilateral trade negotiations and led to the formal establishment of the World Trade Organization (WTO) on January 1, 1995.

The Marrakesh Agreement (1994)

@UPSC_EDU answer is (C) Aravali. The Aravali Range is considered the oldest mountain range in India, and one of the oldest in the world. It dates back to the Pre-Cambrian era (about 1.8 billion years ago).

@UPSCSCORE उत्तर विकल्प (d) है। भारतीय संविधान का अनुच्छेद 169 राज्यों में विधान परिषदों के उन्मूलन (Abolition) या सृजन (Creation) हेतु प्रावधान करता है इसके तहत संसद किसी राज्य में विधान परिषद को समाप्त कर सकती है या नई परिषद का गठन कर सकती है।

निम्नलिखित में से भारतीय संविधान का कौन-सा अनुच्छेद राज्यों में विधान परिषदों का उन्मूलन या सृजन हेतु प्रावधान करता है? (a) अनुच्छेद 171 (b) अनुच्छेद 170 (c) अनुच्छेद 168 (d) अनुच्छेद 169

@ayesha_fatiima Problem = distance Solution = move compute closer to users I’d reduce latency by using a CDN or multi-region deployment with geo-routing so users are served from the nearest location instead of a distant origin server.

Interviewer: Your API responds in 90ms in Australia but 600ms in India. Same backend. Same code. What would you use to fix this?

@cybergirl_io C) Firewall A firewall is the network device specifically designed to filter traffic between networks based on predefined security rules, such as IP addresses, ports, or protocols, allowing or blocking data packets accordingly.

Network Security Knowledge check Which device filters traffic between networks? A) Switch B) Router C) Firewall D) Hub

@DailyGkzone (D) Kevlar.

@UPSC_EDU The Civil Disobedience Movement began with the Salt March B) Salt March Mahatma Gandhi launched the Civil Disobedience Movement on 12 March 1930 by starting the Dandi March from Sabarmati Ashram, and he formally began the movement by breaking the Salt Law on 6 April 1930 at Dandi

Q. Civil Disobedience Movement began with: A) Quit India B) Salt March C) Swadeshi D) Home Rule

97.2% of Senior Frontend Engineer interviews are just these 7 concepts repeated again and again.

@mysticwillz undefined = not initialized null = intentionally empty Undefined means a variable was declared but not assigned, while null is an intentional absence of value set by the developer, and the distinction matters for debugging, API design, and equality checks.

Explain the difference between: null undefined Same result. 'No value' Why does it matter?