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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..!!!

Set up App Loading or Progress indicator using dialog box in Flutter

As we know Flutter is Google's portable UI toolkit for crafting beautiful, natively compiled applications for mobile, web. which is rapidly picking up by community these days,while working with hobby project in flutter, i was naively setting state for loading page and resetting the state when request

Deploy websites with multiple versions of PHP in Apache in Ubuntu 14.04 , Ubuntu 16.04 and Ubuntu 18.04 LTS.

Run Multiple versions of PHP in parallel using Apache in Ubuntu 14.04,16.04,18.04, this article also cover installing Apache and php along with configuring virtual host in ubuntu system

Uses of java 8 lambda expressions in collections

Lambda expression facilitates functional programming, and simplifies the development a lot, Lambada provides the feature like sort of anonymous function which we use in the scripting language like PHP or Js which provide the inline implementation of the interface or generic operations which also avoid the need anonymous class Basic

Apache Spark Imputer Usage In Scala

This Tutorial explain what is Spark imputer, implement the Imputer and basic terminologies used while using the imputer.And strategies available in spark imputer.

Scala tutorial to demonstrate infix custom notation in scala: syntactic sugar

So we know scala mimic certain expressions close to natural language like (obj prints "hello world"), this is possible in scala because all operators are treated as method calls like in expression a + b is internally translated to a.+(b), internally any number or strings is represented as

Call By value and Call by name Evaluation Strategy in scala

Evaluation strategies are used by programming languages to determine when to evaluate the argument(s) of a function call, the common evaluation strategy are call-by-name and call-by-value, and we have call-by-reference even. What is call-by-value ? In call by value, the argument expression is evaluated, and the resulting value is bound

Stack recursion call and Tail Recursion in Scala

Recursion is the process of defining something in terms of itself,In any programming language method calling itself until certain condition is call Recursive method, so we are familiar with recursion now,and we will further dive on type of recursive function Stack recursion call So Stack is data structure

Apache Spark Data Frame:Basic Data manipulation using scala

Overview of this tutorial * Replace the data with new value in Data Frame * Filter the row values with basic conditions in Data Frame * Type Casting the Column Value in Data Frame To start Apache spark and read data from csv follow this post Replace the data with new value in

Introduction to Apache Spark in scala

What is Apache Spark ? Apache Spark is all referred as big data processing tool or framework developed under Apache. Spark has various inbuilt tool like SparkSQL, Spark Streaming,Spark Mllib,GraphX to handle the big data work. Overview of things covered in this Tutorial * Adding dependency to scala project * Starting

Scala tutorials: How write a Singleton Class in scala and java

As we know singleton is class is widely and commonly used design pattern.This class provides single instance of the class at any given point of time,throughout the JVM instance Usually in java we create singleton class by writing a private constructor, and declaring static variable named instance and