Technology - Just chatterbox

Spring Boot Rest API deployed in AWS Lambda (Serverless) Git lab CI/CD

Just to begin AWS Lambda is server less architecture, which allows you to run the code without managing the server and cost is pay per use, usually its based on number of invocation and execution time. Usually lambda is preferred for small task or to have platform specific trigger. But

Technology

Does WiFi 6 matter to the average consumer?

If your tech enthusiast probably were wondering about upgrading to WIF 6 router. So before upgrade to WIFI 6, we also need the clients to support wifi6 to take advantage of the features. Now we shall dive deeper into what WIFI 6 offers. 1) The WIFI 6 router offers higher

AWS

AWS S3 & Micronaut: File upload and download using Java

I started learning new framework called Micronaut, Micronaut is lightweight Java web framework, Which is cloud native in nature which support Java, Groovy and Kotlin and main advantage of the micronut its light weight, has low memory footprint and fast, one of the way it achieve its Fast nature and

Java

File Upload And Download Inside Micronaut Http controller Java.

I am learning new framework called Micronaut. And I wanted to know how to upload the file and modify the configuration to allow multipart data, So I began googling and consolidate my learning in to single blog. This article helps you to upload a file and download a file from

Java

Custom Annotation To Handle Authorisation In Micronaut AOP Tutorial

Overview:Creating custom annotationCreating component in MicronautCreation a configuration and middleware(Interceptor) in MicronautBasic of Aspect and usage in MicronautMicronaut is the web framework, Its features similar to spring boot also this framework is light weight, low memory foot print, and quick start up time, as we know solve cold

Cloud

AWS Lambda APIs using Micronaut along with basic CI & CD (Gitlab CI) steps.

Just to begin AWS Lambda is server less architecture, which allows you to run the code without managing the server and cost is pay per use, usually its based on number of invocation and execution time. Usually lambda is preferred for small task or to have platform specific trigger. But

Java

Spring Boot: Uploading and download a file from GCP Storage (Google Cloud Storage)

Hello fellow developer, if you have landed on this page by search that means my SEO is working and google official documentation is not yet updated for the new approach. or if you have visited just to learn let me add few more details about GCP and spring boot. Google

Java

Ehcache: Java Based Cache in Spring Boot

Most of the time, when we need to retrieve the same piece of data repeatedly from a data store, we generally try to cache the data to an in-memory cache. One such library we use when our data is lightweight is Ehcache. In this article, we shall see how to

Spring Boot

Spring boot: uploading and downloading file Azure Blob Store using rest API

If you have landed on this page means either your working with spring boot and trying to upload a file to Azure blob storage. so we know spring boot has gained popularity for its simple approach to bootstrap an application in very less time, Also Azure is gaining a lot

Technology

The Brief Opinion on Using Android Apps with windows `Your phone` app

Maybe everyone was excited to see running android apps on windows. The first thing that came to my mind was the baby step towards forming an ecosystem with pc and cellular devices. So I was excited to check The 'Your Phone App' with my note device. I immediately updated my

Spring Boot

Continuous deployment of spring boot Apps on Azure App service using GIT lab CI

Continuous deployment is an automated process of releasing production code to the desired infrastructure, Only after Continuous Integration pipelines are satisfied. CI (Continuous Integration) is making sure every piece of code is tested & validated in an automated fashion whenever code pushed to the shared repository. The process of CI

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 JVM so we can mix Scala code in java or java code with Scala project also lot of plugin or

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 instance is already created you can just use like static functions of class in java i.e `test.addPlusOne(2)

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 know spring boot has gained popularity for its simple approach to bootstrap an application in very less time, Also minio

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 use and modify. this one of the fastest growing self managed object store out there. so when it comes to

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 print and increasing the performance of an application. lets take some real world example where you need to print employee

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 screw ups is API response is not consistent, this will be both burden to FE devs and BE developers, Which

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 ,we shall start by brushing up the concepts and implement those in Scala spark,Just for an overview i will

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 wont deviated, so basically we can divide data in three parts. 1) Numerical.Numerical data represented in digits which might

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 from public channel and processing content could help to analyse and fuel the the decision. so lets begin with one

Android

Link Note TTS (Text to speech) Flutter's Read It later App

As i was learning flutter and wanted to write some useful App, So i came with idea of Read it later app, What is read it later app?. Assume your window browsing and you come across useful web article and you are in no mood to read it now, just

Technology

Starship Prototype Takes Entered its test phase

It looks like SpaceX's shiny new Starship prototype has entered the test phase. The full-size Starship Mk1 vehicle "breathed" during an apparent pressure test yesterday evening (Nov. 18) at SpaceX's facilities near the South Texas village of Boca Chica.The milestone was captured and posted on Twitter by @SpacePadreIsle, which

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 in java. and i had to remove few words which i did not want to index, Like "I","The","In"

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 was try to implement request logging i found a beautiful plugin called SpringSandwich. As website states its an Annoted, type-safe

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 these days for simplicity and its features also readily available components we and directly include in its dependency. Also when