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

Build Website using JSP. If you want to build monolithic web application then building websites using JSP would be ideal.

Build Website using JSP

SQLite databases are compact, lightweight, file-centric databases frequently employed in embedded systems and modest applications. Spring Boot, a popular Java framework, provides easy integration with various databases, including SQLite. In this article, we'll explore how to connect SQLite with a Spring Boot application, including setting up dependencies, configuring the database connection, creating entities, and performing basic CRUD (Create, Read, Update, Delete) operations.

Integrate SQLite with Spring Boot

Introduction to Project Lombok

Introduction to Spring Shell

Setup and Configure Project Lombok in Maven and Eclipse

File Compression and Decompression in Java

Integrate Ehcache with Spring Boot. In this article, we will explore how to implement Ehcache with Spring Boot, including setup and a simple example.

Integrate Ehcache with Spring Boot

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

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

I have a open source project but where should i host? This is the frequently asked question among developers. Below details will certainly help to choose the best code hosting site.

Where should i host my open source code?

Harnessing useReducer and Custom Hooks

Leveraging DOM References for Custom React Functionality with useRef Hook

Context API: The Key to Cleaner and More Maintainable React Code

Scaling Redis: High Availability and Sharding Techniques

Supercharge Your Python Application: Redis as a High-Performance Cache

Unlocking Efficiency: Reducing Redis Memory Utilization with RedisInsight and Optimization Techniques

Material design is inspired from the real world building architecture language. It is an adaptable system of guidelines, components, and tools that support the best practices of user interface design. Backed by open-source code, Material streamlines collaboration between designers and developers, and helps teams quickly build beautiful products. In this article, we will build COVID stats using Angular Material design.

COVID19 Stats using Angular Material Design

Angular is a framework for creating single page web application. Angular facilitates the security feature and protection mechanism. It provides frameworks by verifying all the routing urls with security authguard interface to validate and verify the user and its permissions.

Angular Security - Authentication Service

The newly introduced concept of dependency injection in Angular version 2.0 makes it an attractive front-end technology all because of one amazing feature called 'Multi-Providers'. In general, it allows the users to attach certain operations by themselves and a few plugin custom functionality which is not required in our mobile app use case.

All About Multi-Provider Feature of Angular Version 2.0

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