~/talks

Paolo Melchiorre

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titleconferencedate
PostgreSQL Generated Columns by ExamplePOSETTE: An Event for Postgres 20262026-06-16
PostgreSQL 18 makes generated columns virtual by default, letting reads compute values on demand while older stored columns persist results; benchmarks shown…
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AI-Assisted Contributions and Maintainer LoadPyCon US 20262026-05-13
Concrete, repo-level examples and explicit policies: reports of OCaml huge PR Nov 2025 that was impossible to review, Godot seeing many low-value PRs that…
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Django's GeneratedFieldDjangoCon US 20252025-09-08
GeneratedField lands in Django 5.0 and computes column values in the database using SQL expressions, with concrete examples on SQLite and PostgreSQL: geometry…
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A Pythonic semantic searchPyCon Italia 20252025-05-28
Implements a working semantic search using Django + PostgreSQL + PGVector and Sentence Transformers, with embeddings computed in Python and saved to a PGVector…
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Maps with Django with Paolo MelchiorreDjangoCon US 20242024-09-22
Builds a working web map end to end: models and admin with GeoDjango, initial SpatiaLite/SQLite database then migrated to PostGIS/PostgreSQL, vector data…
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Semantic search with Django, PostgreSQL, & pgvectorPOSETTE: An Event for Postgres 20242024-06-11
Shows a working semantic search added to an existing Django app by storing embeddings in Postgres via pgvector, creating a Vector extension migration and a…
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Advent of PythonPyCon Italia 20242024-05-22
Overview of Advent of Code and its community practice using Python, explaining what the yearly programming challenge is, why participants find it engaging, and…
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Many ways to be a Python contributorPyCon Italia 20242024-05-22
Starts as a coder and then shows concrete routes: mentors guide a first pull request that lands in Django 2.0 codebase (a PostgreSQL-related feature), joining…
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All about djangoproject.comDjangoCon US 20232023-10-16
djangoproject.com now ships a dark mode and accessibility fixes, offline docs downloadable via Read the Docs (HTML, PDF, EPUB), and a Postgres-based search…
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All about djangoproject.comDjangoCon Europe 20232023-05-29
djangoproject.com now ships a Postgres-based search that replaces an external engine and returns cleaner, highlighted results; it potentially supports 28…
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Maps with DjangoPyCon Italia 20232023-05-25
How to build a web map using Django by leveraging GeoDjango to store and query geographic data in a local database. Covers using Python/Django and GeoDjango…
Talk in Italian on
A pythonic full-text searchPyCon US 20232023-04-19
A full-text search on a website is the best way to make its contents easily accessible to users because it returns better results and is in fact used in online…
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Maps with Django (and PostGIS)Citus Con: An Event for Postgres 20232023-04-18
Builds a web map end-to-end: starts with Spatialite and a Django project, adds a Leaflet front end, enables GeoDjango (requires GDAL), uses the Django admin…
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Django with PostgreSQL superpowersPython Web Conf 20232023-03-13
Shows how to use psycopg3 with Django 4.1 and the django.contrib.postgres module to get real Postgres-only gains: random_uuid via pgcrypto for bulk UUID…
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Make the most of Open SourceUbuntu Summit 20222022-11-07
Chronicles a path from Ubuntu 5.10 user to active contributor with concrete wins: a first Django core pull request merged fixing UA handling in Postgres, a…
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Django with PostgreSQL superpowersCitus Con: An Event for Postgres 20222022-04-12
Shows how to wire PostgreSQL into Django using psycopg3, Django’s contrib.postgres and a few third‑party packages, demonstrates updating nearly one million…
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Maps with DjangoConf42 Python 20212021-05-27
Paolo Melchiorre CTO @ 20tab A map in a website is the best way to make geographic data easily accessible to users because it represents, in a simple way, the…
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