Frontend Engineering

A Component Is a Contract, and the Props Are Its Interface

A well-designed component is defined by its interface — the props it accepts and the behaviour it promises — and…

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Mobile Development

Mobile Analytics Is Only as Good as the Events You Define

Analytics tools are easy to add, but the value comes from the events you define — and poorly defined events…

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Frontend Engineering

Your Bundle Size Grew and Nobody Can Say Which Dependency Did It

A bundle analyzer answers the question that a bundle size number alone cannot — not just that the bundle grew,…

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Frontend Engineering

The Test Pyramid Is a Guide, Not a Law, and the Shape That Matters Is the One That Catches Bugs

The test pyramid describes a common shape, and the real goal is a test suite that catches bugs efficiently —…

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Databases & Data Engineering

An Upstream Field Rename Breaks Your Pipeline Silently, Not Loudly

A pipeline reading a field that got renamed upstream does not error. It reads null for a field that used…

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System Design

Sharding Moves the Problem From One Big Database to Many Hard Decisions

Sharding spreads data across many databases to scale, but it moves the problem from one big database to a set…

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Backend & APIs

An Idempotency Key Is the Difference Between a Retry and a Duplicate Order

When a client retries a request because it timed out, the server cannot tell whether the original request actually succeeded,…

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Backend & APIs

Caching Is Easy Until You Have to Invalidate It

Adding a cache is straightforward; the hard part is deciding when cached data is stale and removing it, and most…

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System Design

Every Retry Is a Duplicate Waiting to Happen

Networks fail after the request arrives but before the response returns. Without idempotency, your retry logic is a duplicate-charge generator.

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Backend & APIs

Orderlek Unveils Autonomous Micro-Fulfillment and Last-Mile AI Routing

Discover how Orderlek’s Autonomous Micro-Fulfillment network and Last-Mile AI Routing enable enterprise brands to offer profitable sub-hour delivery in major…

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