Posts
All the articles I've posted.
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From OLTP to OLAP: How Data Moves from 3NF to a Dimensional Data Warehouse
Modern data architectures typically separate operational systems from analytical systems. This separation is not accidental—it reflects fundamentally different workloads, data models, and optimization
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Why There Is No “Interpreter” Endpoint in the Zoom API
Many teams attempt to retrieve language interpretation usage (e.g., minutes consumed per language channel) through the Zoom REST API, only to discover that no such endpoint exists for Meetings or
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Why You Can’t Get Full Social Analytics from the HubSpot API (Even with Marketing Hub Pro)
Many teams assume that upgrading to Marketing Hub Professional unlocks full programmatic access to social media performance metrics. It does not. This article clarifies what is technically possible,
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Why Small Tables Can Explode: Understanding JOIN Cardinality in SQL
It is common to assume that joining two small tables will produce a small result set. In practice, this assumption frequently fails. Even tables with only a handful of rows can generate unexpectedly
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Resolving the Node.js Error: Cannot find module jsonwebtoken
When developing backend services with Node.js, especially APIs that implement authentication, it is common to rely on JSON Web Tokens (JWT). One frequent runtime error encountered in this context is:
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Sending Athena Query Results to Amazon SQS: Architecture, Costs, and Limitations
Introduction Amazon Athena is a serverless query service designed for interactive analysis of data stored in Amazon S3. Amazon SQS (Simple Queue Service), on the other hand, is a fully managed message
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Extracting and Managing Access Tokens in Postman
When working with APIs that use OAuth 2.0 or token-based authentication, a common requirement is to extract an access_token from a successful authentication request and reuse it in subsequent API
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How PostHog Uses ClickHouse for High-Performance Product Analytics
Modern product analytics platforms must process billions of events while still delivering low-latency queries for dashboards, funnels, and retention analysis. PostHog addresses this requirement by