Beginner's Hadoop

Spark SQL Using Parquet 0

Spark SQL Using Parquet

Today, I’m focusing on how to use parquet format in spark.  Please get the more insight about parquet format If you are new to this format. Parquet: Apache Parquet is a...

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Spark SQL using Avro

Today, I’m  flashing lights on  how to use  Avro, a data serialization system, data format on spark sql. Unlike hive spark does not provides direct support for the...

Spark SQL Using Hive 0

Spark SQL Using Hive

In this blog I’m going to describe how to integrate hive with spark. You may find this code on spark’s official github page. My effort is to describe...

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Convert Image to Base64 string in iOS

Swift

Encoding

Decoding

iOS7 > Objectice-C version You can use NSData’s base64EncodedStringWithOptions Now encode as:

Decode as:

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Network Streaming in Spark

Network streaming in spark is another interesting topic, here I am going to explain how network streaming works  and will provide complete spark scala code. Before jumping to the code, I...