A Beginner’s Guide to Complete Analysis of Apache Spark RDDs and Java 8 Streams
1. What is Apache Spark RDD? Apache Spark RDD stands for Resilient Distributed Datasets. RDD is a fault tolerant, immutable collection of elements which can be operated on, in parallel. We can perform various parallel operations on them such as map, reduce, filter, count, distinct etc….
Devise – a fully featured authentication mechanism for Rails Applications
While developing any Ruby-on-Rails based web application, programmers often spend significant amount of time developing the authentication modules from scratch – sign up process, login and logout modules, forgot password, password reset and many such functionalities. What is the solution ? Well, there are a…
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