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Yashika Vijayvargiya

Senior Ruby on Rails Engineer sharing practical insights on Rails, React, system design, performance optimization. My goal is to simplify complex concepts.

Your AI Assistant Forgot You: Understanding Memory, Sessions, and OmniMemory

Your AI Assistant Forgot You: Understanding Memory, Sessions, and OmniMemory

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14 min read
Pessimistic Locking in Rails — Preventing Race Conditions in Production

Pessimistic Locking in Rails — Preventing Race Conditions in Production

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4 min read
Monolith vs Microservices: Architecture, Trade-offs, and How to Choose

Monolith vs Microservices: Architecture, Trade-offs, and How to Choose

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11 min read
What Is Vibe Coding? Benefits, Risks, and Best Practices for AI-Assisted Development

What Is Vibe Coding? Benefits, Risks, and Best Practices for AI-Assisted Development

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3 min read
The Rails Bug That Disappeared After a Server Restart — Until I Found the Mutation

Summer Bug Smash: Smash Stories 🐛🛹

The Rails Bug That Disappeared After a Server Restart — Until I Found the Mutation

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7 min read
When a String Assumption Broke Newsletter Tag Filtering in Ruby

Summer Bug Smash: Smash Stories 🐛🛹

When a String Assumption Broke Newsletter Tag Filtering in Ruby

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6 min read
What Is Ponytail? A Beginner’s Guide to the AI Coding Companion Everyone Is Talking About

What Is Ponytail? A Beginner’s Guide to the AI Coding Companion Everyone Is Talking About

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5 min read
Part 3: Optimistic Locking in Rails – Preventing Lost Updates Without Blocking Users

Part 3: Optimistic Locking in Rails – Preventing Lost Updates Without Blocking Users

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3 min read
Understanding Database Locking in Ruby on Rails: Types, Examples, and Best Practices

Understanding Database Locking in Ruby on Rails: Types, Examples, and Best Practices

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3 min read
PostgreSQL Index Types Explained with Real Rails Examples

PostgreSQL Index Types Explained with Real Rails Examples

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4 min read
Understanding Indexes Before Learning Index Types

Understanding Indexes Before Learning Index Types

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2 min read
PostgreSQL Concurrent Indexes in Rails: Avoiding Downtime in Production

PostgreSQL Concurrent Indexes in Rails: Avoiding Downtime in Production

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3 min read
Rails Performance Optimization: Fixing N+1 Queries with includes, preload, and eager_load

Rails Performance Optimization: Fixing N+1 Queries with includes, preload, and eager_load

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3 min read
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