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Apache Airflow is known within the data engineering community as the go-to open source platform for “developing, scheduling, and monitoring batch-orie
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posted @ 2025-01-18 20:16
ZhangZhihuiAAA
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For the purpose of this book, we use the Docker version of PySpark, running on a single machine. If you have a version of PySpark installed on a distr
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posted @ 2025-01-18 11:16
ZhangZhihuiAAA
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frank@ZZHUBT:~$ docker pull jupyter/pyspark-notebook docker run --name pyspark-notebook -p 8888:8888 -v ~/dkvols/pyspark-notebook/:/home/jovyan/work/
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posted @ 2025-01-17 21:20
ZhangZhihuiAAA
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(zpy310) frank@ZZHUBT:~$ pip install duckdb (zpy310) frank@ZZHUBT:~$ pip install harlequin ...... Successfully installed MarkupSafe-3.0.2 click-8.1.8
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posted @ 2025-01-17 13:19
ZhangZhihuiAAA
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import duckdb records = duckdb.read_csv("data/C11/Pedestrian_Counting_System_Monthly_counts_per_hour_may_2009_to_14_dec_2022.csv") records.show(max_wi
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posted @ 2025-01-16 21:53
ZhangZhihuiAAA
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In this section, we are going to explore some of the DuckDB niceties – little shortcuts and tweaks to make your use of DuckDB easier. D CREATE OR REPL
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posted @ 2025-01-16 18:03
ZhangZhihuiAAA
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(duckdb_book) frank@ZZHUBT:~$ python Python 3.13.1 (main, Jan 15 2025, 18:12:47) [GCC 11.4.0] on linux Type "help", "copyright", "credits" or "license
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posted @ 2025-01-16 10:56
ZhangZhihuiAAA
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Requirements: duckdb emoji ibis-framework ibis-framework[duckdb] jupysql jupyter-lsp jupyterlab pandas plotly polars-lts-cpu pyarrow sqlparse pi_relat
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posted @ 2025-01-15 20:52
ZhangZhihuiAAA
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I installed VSCode extension Black Formatter, but it seemed not work. Later, I found that it only work when there's no syntax error and it can't forma
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posted @ 2025-01-15 20:09
ZhangZhihuiAAA
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import duckdb duckdb.sql("SELECT 'duck' AS animal, 'quack!' AS greeting") ┌─────────┬──────────┐ │ animal │ greeting │ │ varchar │ varchar │ ├────────
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posted @ 2025-01-15 17:41
ZhangZhihuiAAA
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