Flink streaming API
5. Flink streaming API Implicit transformation in Scala programming import org.apache.flink.streaming.api.scala._ impo...
Find Common Friends - Data Mining - Scala Edition
Hello, there are many language implementations on the Internet about the algorithm of "Find common friends". W...
Akka typed - typed actor communication mode and protocol
Akka system is a distributed message driven system. Akka applications are composed of a group of actors who are responsi...
RDD common operators of spark notes
hello everyone! Here are the saprk operator notes I learned during the epidemic holiday. I just spent the whole afternoo...
search (13) - elastic4s histograms: aggregate histogram
In aggregate group statistics, we will face two types of group elements: continuous type such as time, natural number, d...
scala and java mixed development package
How to package the mixed development of scala and java?
F...
Flink's common Source and sink operations in stream processing
The source of flink on stream processing is basically the same as that on batch processing. There are four categories C...
Cassandra appender - distributed logging, distributed software logback appender
At the last Scala meetup of the lunar year, Liu Ying was inspired to share her professional software development experie...
Arrays in Scala
1. Introduction to array There are two kinds of arrays in scala: fixed length array and variable length array. fixed length Array: because Array is i...
Introduction to Scala basic syntax
1. Definition of variables Note: there is no concept of static in scala. All methods and properties in the class decorated by the keyword object are ...
Scala: tuples, arrays, maps
Tuple: tuple, aggregation of values of different types.Combine a fixed number of items so that they can be passed as a whole. Unlike arrays or lists, ...
I. Basic Introduction to scala
[TOC] I. overview of scala 1.1 INTRODUCTION Scala is a multi paradigm programming language. The original intention of its design is to integrate vari...