Scala Factory Pattern In Scala A Factory pattern or Factory method pattern is very common design pattern used in software development,its is classified as creational pattern. which solves the problem of creating the instance
Scala Scala build tools (sbt) : Getting started for testing and building As we know Scala as language is getting popular in data science or general programming field, for its functional programming traits as well object oriented behaviour also Scala runs on
Scala Difference between object and class in Scala. Objectso in scala object is a singleton instance of the class, lets explain with small snippet. object test { def addPlusOne(a:Int) = a+1; } So when your calling the function
Big Data Basic encoding : label encoding and one hot encoding in Scala with Apache Spark If your starting with machine learning, after cleaning the data you end up with Normalising data, this is where encoding techniques comes in handy. there are lot of data encoding
Java Spring boot: uploading and downloading file from Minio object store If you have landed on this page means either your working with spring boot and trying to upload an file to a privately hosted minio object store server. so we
Big Data MINIO: Getting Started With Ubuntu 18.04 Minio is another object store just like AWS S3, This is self hosted so easily can be used in private cloud. and it is open source so its absolute free
Tutorial Flyweight Pattern in java. Flyweight pattern is categorised as structural pattern,Which is used to reduce number of object creations by using existing similar objects which in turn helps in reducing the memory foot
Java Standardise the response of REST API in spring boot (Spring boot's ResponseBodyAdvice) As we know know Just like Captain america's Civil War fight, so in development war between front end developers vs back end is hard to explain, usual complaint for any
Data Structure Single Linked List implementation in Scala Linked list is linear data structure where elements are not sorted and there memory locations are not in sequence.So liked list has Struct called Node which hold data and
Data Science Install `jupyter` Note book for Scala on ubuntu 18.04 LTS So If you're a data scientist or an enthusiast you might have come across jupyter Note book, so juypter is an open source web application which helps you to run
Apache Spark Basic statistics concepts for machine learning in Scala spark Before applying some distribution algorithm or probability density function or probability mass function, we need to understand some basic concepts of statistics these concepts might be though in our school
Big Data Identifying 3 basic Flavours of data for processing. Before stepping into data processing we have to identify the what's flavour of the data. before applying fancy algorithm or basic statistics like mean median or mode, so our results
Big Data JSOUP for web scraping in java The Web Scraping is process of harvesting the the content from website's URL, As we are in world of Data driven decision making web scraping plays major role collecting data
Apache Removing Stop Words in Apache Spark using Scala Long ago is was working on my pet project where i used scrape description and title form web URL and indexing words for granular search and grouping. the project was
Java Another Way for Spring Request interceptors or writing an middle-ware: SpringSandwich We usually try to Intercept HTTP requests for logging purpose or Authorisation or create an trigger for certain activity based action, typical usage is always Logging or Authorisation.While i
Java Intro : Getting Started with Kafka producer & consumer On Spring boot We all know spring boot is an excellent framework where we can write web application, scheduler,command line runner most of the java based application are written in spring boot
Apache Spark 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 data which process
Java 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
Flutter Flutter Top and Bottom App Bar example. Any mobile App or web app we start our development with application bar or menu bar. in web menu bar plays crucial role it attracts users based on styling. but
Java 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
Spring Boot 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
Java 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
Java Getting Started with spring boot scheduler `@Scheduled`. A lot of times we need to run couple CORN or scheduled scripts, if your spring boot developer without having much hassle we can start Spring boot application and create
Database Explaining SQL Joins and types of joins. So when we are dealing with SQL we join two tables with primary and foreign key relationship, which combine rows from respective table.Joins are very integral part of SQL.
Android Flutter List view: populating the data using List view When in Mobile apps list view is crucial, in this article lets see how to build flutter list view using ListView widget and use it in our application, just for
