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Tag: Backend

Core Updates, Development

A WordPress core dev environment with no Docker required

The experimental core dev toolkit is a desktop app built on Playground and WASM. It bundles Git, Node and npm, so a contributor can clone wordpress-develop and generate a Trac patch without installing anything first.

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Development

OpenStreetMap in Power BI without the GeoJSON middleware

How I pull OpenStreetMap data into Power BI: an Overpass QL query that returns filtered CSV, wired up through the Advanced web connector and plotted on Azure Maps. No GeoJSON middleware, no paid connector.

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AI, Bug Fixing, Development

Why ReAct agent retries waste 90% of your budget

In a 200-task benchmark, nearly 91% of ReAct agent retries were spent on errors that could never succeed. The three fixes I use: an error taxonomy, per-tool circuit breakers, and tool routing that stays in code.

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Development, E-commerce Development

Data modeling: why your analytics reports are slow and wrong

Why analytics reports come back slow and wrong, and why the fix is structural: the three modeling stages, the move from write-optimized OLTP like WooCommerce to read-optimized OLAP, the star schema, and SCD Type 2.

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Development

Why a rescue moved off social media and onto WordPress

Hidden Gem Animal Rescue moved off social media and onto a WordPress.com hub, then doubled its pace and saved more than 100 animals in three years. What changed technically: one place for foster applications, adoption forms and donations.

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Design, Development

Improving UX in legacy systems without breaking production

Big-bang redesigns of legacy systems usually end in a blown budget and a broken database. What works instead: mapping dependencies, measuring the slow paths, and choosing a migration strategy that keeps production up.

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AI, Development

Survival analysis in Python for customer churn and LTV

Churn is not a yes or no question, it is a question of when. This covers censored data, Kaplan-Meier curves, and Cox hazard ratios in Python with the lifelines library.

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Development, Front-end

How orthogonal distance fitting shrinks SVG paths

Matplotlib draws a smooth curve as hundreds of straight segments. Orthogonal distance fitting fits Bezier curves to the same function instead, so a chart that shipped as 250+ segments comes out as two.

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Development

Pandas method chaining instead of intermediate variables

Most Pandas code I inherit is a trail of df_filtered, df_2 and final_df_v2. Method chaining with assign() and pipe() turns that into one pipeline you can read from top to bottom.

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AI, Development

Why your GPU sits idle while the CPU pins at 100%

A GPU at 10% while every CPU core is pinned at 100% is a data loading problem, not a hardware problem. What I change first in a PyTorch pipeline: DataLoader workers, pin_memory, mixed precision and torch.compile.

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