In this article we will explore about basics of Jackson JSON library and how to use its properties.

Understanding Basics of Jackson JSON Parser

This article explains the difference between Mock and Inject Mock

Difference Between Mock and Inject Mock in Mockito

Deep Insight on Lodash js library, Learn with Examples

Deep Insight on lodash.js library

This article explains you how to configure dispatcher servlet in Spring Framework

How to Configure Dispatcher Servlet in Spring Framework

In this article we will learn how to send emails using jakarta mail

How To Send Email using Jakarta Mail

Integrate SQLite3 with NodeJS

As open source getting popular day by day, many have questions like How to make money from Open Source? Lot more products are getting introduced and don't know who is making money. Certainly open source means, give the product and source for free then how to make money? Yes sell the product for free but get paid for its services.

How to make money from Open Source

Get to know how to perform CRUD operations in Mongo DB using Spring Boot.

Integrate MongoDB with Spring Boot

OpenPDF is based on a fork of iText version 4. iText is a widely used PDF library but they changed their license and moved to AGPL. In this article, we can see how to read and write to PDF, How to extract text from PDF and How to create password protected PDF.

Read and Write PDF using OpenPDF

What if you could reliably run PHP without Nginx or Apache, but also without relying on its internal server? What if you could do async operations in PHP with true multi threading, fully taking advantage of multi core processors without hacks or a jungle of callbacks? What if you had drag and drop installation support for your PHAR packaged web apps in an environment identical to its production counterpart? Welcome to appserver.io – the worlds first open source application server for PHP.

Appserver.io – The First Multithreaded Application Server for PHP written in PHP

Bitcoin is an open source digital currency which could be transferred in a P2P payment network. It is decentralized and it is not controlled by any central authority or banks. It is transferred from person to person and no authority will be aware of your transaction. Its quite different from PayPal or Banks.

How Bitcoin works? A simple introduction.

Recently you might have seen many news that big organization like Redhat, Fedora, Wikipedia switched their database from MySQL. Now Google also going to join them. Why everyone want to move out of MySQL? It is once a popular and stable software. What is the reason behind and what are the possible alternatives.

Is it good time to switch from MySQL and choose some other database?

People who have taken programming as their career has to do coding for almost 30 years. Will they always get an opportunity to do complex tasks or to write project from scratch? The answer is NO. Sometimes they may get but not always. What should they do?

Why Experienced Programmers Should Contribute to Open Source

I could see many many students posting this question in many forums, I want to contribute to open source but How to contribute? There are many ways to do that. I have listed a few and I hope it might be useful.

How to contribute to open source

PrestaShop is an Open Source eCommerce Solution. It comes complete with over 310 features that have been carefully developed to assist business owners in increasing sales with virtually little effort. It is being used in more than 150,000 online stores.

PrestaShop - A feature rich Open Source eCommerce solution

What the benefit will i get, if i contribute to Open Source? This is the frequently asked question by many people. I just want to pen down the benefits which i know and i hope you will agree with it.

Benefits in contributing to Open Source

Open Source projects requires sponsors to fund their project. Few got good funding but few others are struggling to continue their project. A contributor, who does full time work in open source project requires funding to take care his needs. He has to be paid and he cannot do it for free. For those who don't get fund, check out this crowdfunding sites, these are exclusively for open source projects. Join these, get some fund and continue your dream.

Crowdfunding for Open Source Projects

You may require GBs of data to do performance or load testing. How your app behaves when there is loads of data.  You need to know the capacity of your application. This is the frequently asked question from the sales team "The customer is having 100GB of data and he wants to know whether our product will handle this? If so how much RAM / Disk storage required?". This article has pointers to the large data corpus.

10 sites to get the large data set or data corpus for free

Failure is often the catalyst for success. You need to make mistakes to truly learn and grow as a tech worker. Sometimes, you don’t need to make the mistakes to learn. Learning from other’s mistakes can be just as informative and productive. Paying attention to what others have done can help you avoid the same kind of failure. Here are a few common mistakes that authors make that lead to the failure of open-source software projects.

Open-Source Software Projects - Typical Common Reasons for Failure

Open source is leading innovation in all technological areas. Open source awareness has spread around the world. Schools and Colleges students speak about it. Government organization think about it. Corporates relay on open source technological stack to build their enterprise or cloud products.

Why Corporates should contribute to open source?

Mastering Hooks in React Native: A Deep Dive

Mastering API Integration in React Native with Expo: A Comprehensive Guide

React Native Navigation and Routing with Expo: A Comprehensive Guide

Solr and Elastic Search both are built on top of Lucene library. Both are compratively equal. Any new feature / enhancement which get introduced in Lucene, will also get added to Solr. But still Elastic Search which uses Lucene as it core gained more popularity than Solr in recent years.

Why Elastic Search is gaining more popularity than Solr?

The release 4.0 is one of the important milestone for Lucene and Solr. It has lot of new features and performance important. Few important ones are highliggted in this article.

Whats new in Lucene / Solr 4.0

Solr is a search engine built on top of Lucene. It supports REST interface and has lot of built-in capabilities. Solr package has Admin UI interface which has support to perform query and even delete the contents of the index. If you are using Solr in production then you may need to restrict access. I saw couple of questions in the group related to this topic. Thought to write an article explaining few tips to restrict the user access to Solr admin UI.

Restrict Solr Admin Access

In this article we will see how to work with Apache Lucene for text search in Java.

Introduction to Apache Lucene

Lucene is most powerful and widely used Search engine. Here is the list of 7 search engines which is built on top of Lucene. You could imagine how powerful they are.

8 Best Open Source Searchengines built on top of Lucene

Educate and Empower software professionals in emerging technologies, news and best practices.

Understanding Basics of Jackson JSON Parser

Difference Between Mock and Inject Mock in Mockito

Deep Insight on lodash.js library

opensource

How to make money from Open Source

Open-Source Software Projects - Typical Common Reasons for Failure

Why Corporates should contribute to open source?

react native

Mastering Hooks in React Native: A Deep Dive

Mastering API Integration in React Native with Expo: A Comprehensive Guide

React Native Navigation and Routing with Expo: A Comprehensive Guide

solr

Why Elastic Search is gaining more popularity than Solr?

Whats new in Lucene / Solr 4.0

Restrict Solr Admin Access

lucene

Introduction to Apache Lucene

Whats new in Lucene / Solr 4.0

8 Best Open Source Searchengines built on top of Lucene

How to Configure Dispatcher Servlet in Spring Framework

How To Send Email using Jakarta Mail

Integrate SQLite3 with NodeJS

How to make money from Open Source

Integrate MongoDB with Spring Boot

Read and Write PDF using OpenPDF

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