Apache Spark SQL : Running SQL Queries on DataFrame using Scala
Apache Spark is a Big data processing engine which has components like "Spark SQL", "Spark Mlib" & "Spark streaming", we generally uses Apache spark for processing big
Technology
Minimal set of words which acts as tech guide ,documented for following purpose like kick starting stuff easier , reference the emphasised feature or basic intro about the stuff..!!!
AWS S3 with Spring Boot: Uploading and downloading file to Buckets
So if are reading this Article means your a developer and your familiar with spring boot or AWS S3, just for SEO purpose i will brief both,so you can skip the introduction
Spring Boot Command Line Runner Example.
Do want to look cool, and pretend to be some hacker just on terminal printing some random this,Then you can use this command line runner :-P, jokes apart, Usually when we need
Exception handling in spring boot REST APIs
As we know spring boot community is growing and lot of legacy spring project is getting migrated towards spring boot, and always when we start and application we always search for better error
Spring Boot Shell : CLI app to execute your commands
A CLI command line program which take string argument from keyboard and executes the program based on input, Assume you are write an migration tool you have to copy contents of your folder