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Tag: Backend

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Why sharded indexing fixes slow package installs

Package installs crawl because the client parses one giant metadata file before it does anything useful. Sharded indexing (CEP-16) splits that file per package, and there is a PHP example here for internal plugin repositories.

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Core Updates, Development

Why managed hosting beats running your own WordPress server

Running your own VPS looks cheaper right up until the traffic spike. Here is what managed WordPress hosting actually handles for you: server-level caching, a persistent Redis object cache, brute force filtering at the edge, and the patching you stop doing.

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Core Updates, Development

WooCommerce 10.5 removes AccessiblePrivateMethods: the fix

WooCommerce 10.5 drops the AccessiblePrivateMethods trait that let private methods act as hook callbacks. Extensions still using it will throw a fatal error. The replacement is a public method carrying an @internal annotation.

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AI, Development, E-commerce Development

Why 90% text-to-SQL accuracy still breaks in production

Ninety percent accuracy sounds fine until the wrong JOIN lands on a production database. This covers why Execution Accuracy beats Exact Match, what Spider 2.0 exposed about enterprise schemas, and how to ground an LLM on the schema you actually have.

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AI, Development

Building a data-driven goal tracker with Python and Neon

Notes on building a data-driven goal tracker with Python, Streamlit and Neon: one schema for daily habits and quarterly milestones, ISO-8601 week boundaries so the weekly numbers do not drift, and a REST API bridge when the data has to land in WordPress.

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AI in WordPress, Development

Applied statistics and machine learning in production WordPress

Notes on porting statistical models into WordPress: where research gets diluted instead of distilled, how real-time aggregates in user meta leak data through race conditions, the atomic SQL fix, and why a bigger LLM is the wrong answer to arithmetic.

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AI, Development, E-commerce Development

What breaks in retrieval-augmented generation at scale

Retrieval-augmented generation is past the demo stage. Notes on chunk size as an experimental variable, why HNSW precision degrades as the index grows, the latency cost of extra retrieval layers, and a transient wrapper for caching retrieval in WordPress.

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AI, AI in WordPress

Demand forecasting with graph neural networks in WooCommerce

Rolling-window forecasts treat every SKU as independent. This post models a WooCommerce catalog as a graph instead, with GraphSAGE over shared plants and attributes, the PHP that extracts SKU neighbors, and where heterogeneous transformers go further.

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AI, Development

How local LLMs found a faster matmul on a MacBook

A multi-agent Autogen loop running Mixtral 8x7B locally on an M3 MacBook rewrote a Rust matrix multiply until it hit NEON SIMD and Rayon, taking it from 760ms to 359ms. Notes on how the loop was set up and where the generated code went wrong.

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AI, Development

Data poisoning: who manipulates training data and why

Poisoned training data does not crash anything. It shifts your model’s weights while the accuracy score stays high. Who does it and why, from malware authors to artists using Nightshade, plus what a sanitization layer on your ingestion path needs to check.

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