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Best Places to Find Freelance Work Online in 2026
Freelancing in 2026 offers countless opportunities for professionals across diverse fields such as development, design, SEO,…
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How to Get Freelance Clients in 2026: A Practical Guide for Beginners
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How Much Does It Cost to Build a Website for a Small Business in 2026?
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What breaks when you parse LLM output in production?
Saksham Jain•11/2/2026•👁 9
Usually your code's assumptions about formatting, not the model's answer. Three bugs recur: valid JSON wrapped in markdown fences that a strict parser rejects, prompt…
How do you build an exam timer students can't cheat?
Saksham Jain•11/2/2026•👁 9
Make the server the source of truth for the deadline. Hold the session in Redis, write each answer there as it is selected, flush to the database periodically, and…
How do you make a payment or WhatsApp webhook idempotent?
Saksham Jain•11/2/2026•👁 9
Key every webhook on a unique ID from the sender, such as an order ID or message ID, and run its side effects once. A repeat delivery finds the ID already processed and…
Optimistic or pessimistic locking: which should a booking or checkout use?
Saksham Jain•11/2/2026•👁 9
Use pessimistic locking when many users fight over the same row, like the last tickets of one event. Use optimistic locking, a version field, when contention is rare,…
How do you stop two people buying the last ticket?
Saksham Jain•11/2/2026•👁 9
Decrement the ticket count inside a short database transaction that holds a pessimistic row lock, and reserve each ticket in Redis with a time-to-live. The second buyer's…