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Tag: Backend

AI, E-commerce Development

Explainable AI and the cost of running a black box

Black-box models can tell you a customer will probably buy, but not what pushed them there. What explainable AI adds instead: readable feature importance, SHAP and LIME, and a small WooCommerce snippet that logs the rationale on the order.

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AI, Development

Your GPU is idle because the CPU keeps interrupting

The host and device paradigm decides whether your GPU works or waits. Where CPU and GPU interaction turns into a bottleneck, how CUDA streams overlap transfers with compute, and which one-line habits trigger a synchronization stall.

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AI, Development

Dependable systems beat clever code in production

Clever WordPress code tends to fall over in production. What changes when you optimize for reliability instead: a chunked WP-CLI batch pattern, debugging a failing WooCommerce checkout methodically, and using LLMs for edge cases rather than features.

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AI, E-commerce Development

Expected value modeling for WooCommerce ad spend

Most WooCommerce stores buy clicks and hope. Expected value modeling puts a number on it: profit per sale, cost per click and purchase probability decide whether a customer is worth targeting, plus a small PHP helper to run the check.

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Development

WordPress hosting vs web hosting: PHP workers and caching

Generic hosting and WordPress hosting differ in the parts nobody advertises: PHP worker counts, server-level and object caching, and a firewall that knows WordPress attack patterns. Here is what to check before you sign up.

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AI, Development

Mechanistic interpretability, or how to debug an LLM

Mechanistic interpretability is the Xdebug of AI research: hook a forward pass, zero out a neuron, and see what the model was actually doing. A walk through the residual stream, TransformerLens, circuit tracing and steering vectors.

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Development, E-commerce Development

WordPress monetization without a full store build

A look at the block-based way to take payments on WordPress: the Payments and Paid Content blocks, plus a small hook for gating content by subscription, instead of installing a whole shop to sell one download.

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Development, E-commerce Development

Essential WordPress plugins I actually keep installed

A working list of the WordPress plugins I keep on client sites, from Jetpack and Akismet to WooCommerce and Imagify, plus the dequeue snippet I use so form plugins stop loading their CSS and JS on every page.

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AI, AI in WordPress, Development

Why efficient AI architecture beats bigger models

Voyager 1 still self-corrects on 69.63KB of memory. That comparison is the frame for quantization, knowledge distillation and TinyML, plus a small PHP example of how weight quantization actually works.

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AI, Development

YOLOv2 architecture: the fixes that made YOLO usable

A look at what the YOLOv2 paper actually changed from v1: batch normalization, high-resolution fine-tuning, K-means anchor boxes and the passthrough layer, with PyTorch code for the Darknet-19 blocks.

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