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Latest Hadoop 3.2.1 Installation on Windows 10 Step by Step Guide

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access_time 2 hours ago

This detailed step-by-step guide shows you how to install the latest Hadoop (v3.2.1) on Windows 10. It also provides a temporary fix for bug HDFS-14084 (java.lang.UnsupportedOperationException INFO).

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Kontext release v0.6.7

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access_time 7 days ago

Kontext v0.6.7 is now released with a few changes/enhancements. Changes The following sections list the new features/changes i...

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Kontext release v0.6.6

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access_time 14 days ago

Kontext v0.6.6 is now released with a few changes/enhancements. Changes SEO enhancements Added a number of Facebook and twitter m...

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Machine Learning with .NET in Jupyter Notebooks

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access_time 15 days ago

In this article, I'm going to show you how to install Jupyter in Windows and then install .NET kernel for Jupyter notebooks. It also shows a machine learning example using ML.NET. The target audience are .NET developers who want to expand their skills in data engineering and science domain...

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Kontext release v0.6.5

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access_time 18 days ago

Kontext v0.6.5 is now released with a few changes/enhancements. Changes RSS changes RSS subscriptions are now increased to 200 items and the d...

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local_offer pyspark local_offer spark-2-x local_offer python

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access_time 18 days ago

This articles show you how to convert a Python dictionary list to a Spark DataFrame. The code snippets runs on Spark 2.x environments. Input The input data (dictionary list looks like the following): data = [{"Category": 'Category A', 'ItemID': 1, 'Amount': 12.40}, ...

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Improve PySpark Performance using Pandas UDF with Apache Arrow

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access_time 20 days ago

Apache Arrow is an in-memory columnar data format that can be used in Spark to efficiently transfer data between JVM and Python processes. This currently is most beneficial to Python users that work with Pandas/NumPy data. In this article, ...

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local_offer pyspark local_offer spark-2-x local_offer spark

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access_time 23 days ago

This article shows you how to read and write XML files in Spark. Sample XML file Create a sample XML file named test.xml with the following content: <?xml version="1.0"?> <data> <record id="1"> <rid>1</rid> <nam...

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local_offer python local_offer pandas

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access_time 23 days ago

Pickle files are commonly used Python data related projects. This article shows how to create and load pickle files using Pandas.  Create pickle file import pandas as pd import numpy as np file_name="data/test.pkl" data = np.random.randn(1000, 2) # pd.set_option('displ...

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local_offer kontext local_offer Azure

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access_time 23 days ago

From release v0.6.0, Kontext website now runs from a package (zip file) in Azure App Services. This ensures storage (incl. database storage, blob storage for uploaded files) is separated from the application and the application itself is read-only.  Azure DevOps support I...

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