Demystifying Databricks

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Databricks is a cloud-based data platform - built on top of Apache Spark - designed to simplify and accelerate data engineering, data scien...

org.apache.spark.SparkException: Job aborted due to storage failure: Serialized task xxx: was xxx bytes, which exceeds max allowed: spark.rpc.message.maxSize (xxx bytes)

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Context: This happens when spark.createDataFrame().  in Databricks. Possible cause: The problem seems was the data you're passing into c...

10 years in Ireland

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Leaving South Korea I worked at the CTO office of Hyundai Mobis - part of the  Hyundai Motor Group - after completing my master's degr...

在爱尔兰申请日本签证

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发邮件预约 直接给日本大使馆发邮件  mailto:consular@ir.mofa.go.jp 标注姓名，国籍，旅游日期 大使馆会根据你的日期跟大使馆预约情况回复哪天可以来办签证，跟需要准备的材料。比如25年办的时候有下面的准备材料。 准备材料 根据短期还是长期准备, 感觉长期...

Mastercard Data Scientist Interview Questions

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In this post, I'm going to share the interview experience for a data scientist position at Mastercard. Overall, the overall process is q...
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