Exploring Tech, Finance & Productivity
Practical articles, free developer tools, and finance calculators. No jargon, no fluff.
Database Ops/Sec and Memory Limits - When to Shard and When Not To
You’re in a system design interview. You say “we’ll use PostgreSQL” and immediately follow it with “and we’ll shard it across 16 nodes.” The …
Read MorePolling vs Long Polling vs WebSockets - When to Use What
You’re building a notification bell. The product team wants it to feel “real-time.” You reach for WebSockets because that’s what every blog …
Read MoreGratuity, Leave Encashment, Bonus - How Each Is Taxed Differently
When you leave a job after a long tenure, you receive several payouts that look like one big pile of money. They are not treated equally by …
Read MoreWhy Remote Developers Get Overlooked for Promotions and How to Fix It
You do great work. Your code ships, your tickets close, your reviews are thorough. And yet your colleague who sits next to the manager in …
Read MoreHow to Build a 6-Month Emergency Fund on a Rs. 50,000 Salary
Building a Rs. 3 lakh emergency fund feels impossible on a mid-level salary. Here is a realistic, step-by-step approach that actually works.
Read MoreCredit Card Annual Fee Waiver: The Exact Script to Use When You Call
Most credit card annual fees are waivable if you know how to ask. Here is the exact script and strategy that works for HDFC, ICICI, Axis, …
Read MoreHow to Structure a System Design Interview in 45 Minutes
Most candidates jump to drawing boxes on a whiteboard. Here’s the exact structure, order, and time allocation that turns a chaotic 45 …
Read MoreThe AWS Services You Are Overpaying For Right Now
The average AWS bill has significant waste. Not because teams are careless, but because AWS pricing is complex, defaults favor AWS revenue, …
Read MoreGetting Started with Claude Code: The AI Coding Tool That Actually Delivers
Claude Code isn’t just another AI assistant. It’s a full-blown coding partner that lives in your terminal. Here’s how to get started and why …
Read MoreBack of Envelope Calculations in System Design
Most candidates either skip estimation entirely or spend five minutes doing exact math. Here’s how to do quick, high-signal capacity …
Read MoreHow to List Non-Functional Requirements in System Design
Saying ’the system should be scalable and highly available’ is not an NFR. Here’s how senior engineers define NFRs that actually drive …
Read MoreHow to List Functional Requirements in System Design
Most candidates list features. Senior engineers define the system’s contract. Here’s a framework to get FRs right - with examples, …
Read MoreWhy Everything Good Takes Longer Than You Think
System delays are why you quit the gym after 2 weeks, panic-sell during crashes, and over-hire after one good quarter. Understanding delays …
Read MoreFeedback Loops Are Running Your Life — You Just Don't See Them
Every habit, every spiral, every compounding win in your life is driven by a feedback loop. Once you learn to see them, you can design them.
Read MoreStop Trying to Control Everything: Why the Best Systems Are Designed, Not Managed
You can’t predict or control complex systems. But you can design resilient ones. The difference between good and great operators is knowing …
Read MoreSanDisk Is Up 1,500% in a Year - What Happened and What Comes Next
From a $28 spin-off to a $90B giant in 12 months. SanDisk’s rise is the biggest stock story of 2025-26. Here’s why it happened, and whether …
Read MoreGemini 3.1 Pro - Everything You Need to Know
Google just dropped Gemini 3.1 Pro - doubling reasoning performance, topping most benchmarks, and costing 7x less than competitors. Here’s …
Read MoreIs Buying a Second Property in India Still Worth It in 2026?
Your first property is set. You have equity in it, the EMI is manageable, and everyone around you is saying “buy another one before prices …
Read MoreEvery Technology Goes Through 3 Phases. Most People Get Stuck at Phase 1.
New technology always follows the same arc: acceptance, adoption, exploitation. The people who win are the ones who reach phase 3 while …
Read MoreDecision Fatigue: Why You Feel Tired Before the Day Even Starts
Every decision - no matter how small - drains the same mental battery that powers your best work. Here’s how to stop wasting it on things …
Read MoreDeveloper Tools
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Want to practice coding? Browse 50 DSA problems with clean solutions.