Nancy Jain, Author at Knoldus Blogs

Getting Started with Vault

July 15, 2019July 16, 2019API's, Other, software, Studio-Scala, Tutorial, Web, Web Application#java, credential management, HasiCorp, Introduction, learning, opensource, programming, scala, Secret management, technology, vault, vault api, vault CLI, vault dev server

Reading Time: 3 minutes HashiCorp Vault is a secret management tool which provides a secure and reliable way to store secrets like passwords, access token, secret API key etc.

There are applications that need to interact with third party services and for that it needs various credentials. There are scenarios in which we need different credentials to process different requests. So, where will you store them? Can you really hard-code them and publish them to your sub-versioning tool? Ofcourse not. This is not a recommendable approach.

Scala: Auxiliary Constructors – We are here to help!

March 30, 2019April 1, 2019Studio-ScalaAuxiliary constructors, Constructors in scala, Introduction, programming, scala, technology

Reading Time: 2 minutes Hi Everyone, In this blog, we will be discussing the constructors of the Scala. Constructor: A constructor is a special method of a class or structure in object-oriented programming that initializes an object of that type. A constructor is an instance method that usually has the same name as the class, and can be used to set the values of the members of an object, Continue Reading

Scala: Facade Design Pattern

December 13, 2018Functional Programming, Studio-ScalaDesign Pattern, Facade Design Pattern, programming, scala, Structural design pattern, Structural Pattern

Reading Time: 2 minutes Hi Everyone, In our previous blogs, we have discussed several Structural design patterns i.e., Decorator design pattern, Adapter design pattern and Proxy design pattern. In this blog, we will be discussing Facade Design pattern and will try to implement it in Scala. Problem Statement: We recently had a tour to Udaipur from our office and to organize it, we inquired a travel agency and asked Continue Reading

Scala : Proxy Design Pattern

August 31, 2018August 31, 2018Architecture, Functional Programming, Studio-Scala, Tech BlogsDesign, Design Pattern, learning, programming, Proxy design pattern, scala, Structural design pattern

Reading Time: 2 minutes Hi Everyone! In our previous blogs, we have discussed Decorator design pattern and Adapter design pattern. Now, its time to discuss another Structural design pattern i.e. the Proxy design pattern. We will implement the same EUGDPR problem using the Proxy design pattern, which we implemented using the Adapter design pattern in our previous blog. Problem Statement: Earlier, in many applications, all the user-specific details like Continue Reading

Adapter design pattern with Scala

August 22, 2018August 24, 2018Studio-Scala, Tech BlogsAdapterDesignPattern, Design, DesignPattern, Getting Started, Introduction, programming, scala, ScalaDesignPattern, StructuralPattern

Reading Time: 2 minutes Hi Readers! In our last blog, we have discussed the Decorator design pattern with Scala. In this blog, we will explore the Adapter design pattern. We will also implement this pattern in Scala. Earlier, in many applications, all the user-specific details like username, IP addresses, phone number, etc were logged directly without scrambling it. But after new data protection law i.e. EUGDPR, it is now Continue Reading

Amazon DynamoDB: Core Components

August 22, 2018August 24, 2018Amazon, AWS, AWS Services, Database, NoSql, Reactive Application, TutorialAWS, AWSDynamoDb, CoreComponents, DynamoDB, nosql

Reading Time: 4 minutes DynamoDB is a part of Amazon Web Services. It is a NoSQL database, which supports key-value and document data structures. In this blog, we will be discussing Core components of DynamoDb. Features of DynamoDb: It is a fully managed NoSQL database. It can store & retrieve any amount of data, and can serve any amount of traffic. To maintain fast performance, it distributes data Continue Reading

Decorator Design Pattern

July 19, 2018August 20, 2018Studio-ScaladecoratorDesignPattern, designpatterns, scala

Reading Time: 3 minutes Hi everyone! In this blog, we are going to discuss decorator design patterns with Scala. Let’s say I own a pizza outlet and we know that everyone has a very different taste and so there can be a various combination of toppings. If I have n number of toppings, so i will have to create p(n) = 2 * p(n-1) + 1 Subclasses. p(0) = Continue Reading

Exploring Java 10 using Docker

May 2, 2018August 20, 2018Functional Programming, Javadocker, Functional Programming, java, java 10, java 10 using docker, java 10 without installing, java using docker, learning, programming, software, technology

Reading Time: 3 minutes On March 20, 2018, Java 10 was released and everybody wants to explore Java 10 but not everyone wants to change their development environment. So in this blog, we will be discussing how can we use Java 10 using Docker.

Java 10: Let’s play with var

April 11, 2018August 20, 2018Functional Programming, Java

Reading Time: 4 minutes Oracle is finally up to a time-bound release of java and announced the general availability of Java 10 on March 20, 2018, as part of the new six-month release cycle. This release introduced twelve new enhancements defined by JEPS(JDK Enhancements Proposals). One of them is Local-Variable Type Inference (JEP 286). In this release, var is introduced, which allows the compiler to infer the type of Continue Reading