The first PIX-to-blockchain bridge in Brazil. Send a PIX (Brazil's instant payment system), receive crypto directly in your own wallet — no exchange account, no custody, no KYC gate. A few minutes end-to-end.
Live prototype: https://moeda.casa
Rafael Polo rafapolo
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| /EXTRA/hominiscanidae/ | |
| ├── 1960 - Elza Soares, Oswaldo Borba - Se Acaso Você Chegasse | |
| ├── 1963 - Jorge Ben Jor - Samba Esquema Novo | |
| ├── 1964 - Genival Lacerda - O rei da munganga | |
| ├── 1964 - Tenorio Jr - Embalo | |
| ├── 1965 - Moacir Santos - Coisas | |
| ├── 1965 - Nara Leão - Nara Leão (Ao Vivo) - 1965 | |
| ├── 1967 - Milton Nascimento - Travessia | |
| ├── 1968 - Leonard Cohen - BBC Broadcasts 1968 | |
| ├── 1968 - Pedro Santos - Krishnanda |
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| # SomBarato Catalog | |
| - 1,516 torrents → 1,185 unique albums (removed 331 duplicates) | |
| - 779 dated, 406 undated | |
| - Fixed 24 encoding corruptions (U+FFFD → correct PT-BR chars) | |
| - Discogs enriched 22 undated entries (unauthenticated, 353 queries) | |
| - Total library: 104 GB | 22,366 tracks | |
| ## 1950s |
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| #!/usr/bin/env ruby | |
| # CVE-2026-31431 PoC | |
| # Requires: gem install ffi | |
| require 'socket' | |
| require 'zlib' | |
| require 'ffi' | |
| # FFI module to call Linux splice() system call from libc | |
| # splice() allows moving data between pipe and file descriptor without copying to userspace |
rafapolo
/ scrap_bdd.sh
Last active
March 24, 2026 22:20
Exports all basedosdados BigQuery tables → GCS (Parquet+zstd) → Hetzner
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| #!/usr/bin/env bash | |
| # ============================================================================= | |
| # export_basedosdados.sh | |
| # Exports all basedosdados BigQuery tables → GCS (Parquet+zstd) → Hetzner | |
| # | |
| # Prerequisites (run once before this script): | |
| # gcloud auth login | |
| # gcloud auth application-default login | |
| # gcloud config set project YOUR_PROJECT_ID | |
| # |
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| copypro.app | |
| www.copypro.app | |
| devsandbox.art | |
| www.devsandbox.art | |
| stream.bitforms.art | |
| www.stream.bitforms.art | |
| holamusic.art | |
| www.holamusic.art | |
| www.markryan.art | |
| paradigmacentro.cl |
rafapolo
/ heatmap-dataviz.md
Last active
May 28, 2025 13:27
Atividades Econômicas no BR / Estabelecimentos abertos por Ano
All, normalized:
rafapolo
/ dataviz-knowledge-reasoning.md
Last active
May 26, 2025 10:54
== GPT 4o analisando a imagem ==
📉 Crises Econômicas e Instabilidade Macroeconômica A recessão de 2015-2016, considerada a mais severa da história recente do Brasil, resultou em uma contração significativa do Produto Interno Bruto (PIB), aumento do desemprego e queda na renda das famílias. Esse cenário adverso levou ao fechamento de aproximadamente 920 mil empresas em 2015, superando o número de novas aberturas no mesmo ano. Em 2018, uma nova desaceleração econômica, agravada por incertezas políticas e fiscais, culminou no fechamento de 1,14 milhão de empresas, novamente ultrapassando as inaugurações.
🦠 Impactos da Pandemia de COVID-19 A pandemia iniciada em 2020 impôs restrições severas às atividades econômicas, especialmente nos setores de comércio e serviços. Estima-se que mais de 600 mil empresas encerraram suas atividades até abril de 2020 devido à pandemia. Em 2023, o Brasil registrou
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| import seaborn as sns | |
| import matplotlib.pyplot as plt | |
| import math | |
| def get_natur_counts_per_year(cod): | |
| # Query local Clickhouse | |
| return db.execute(f""" | |
| SELECT | |
| toYear(data_inicio_atividade) AS year, | |
| COUNT(*) AS amount |
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