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

Each website / blog delivers useful content or service to its users. But website themselves requires some service to monitor and increase its presence. Here are few free services which could be used by Website / Blog. This will be very much helpful for small business owners.

10 Free services for your Website / Blog. Just plug it.

Many new products are coming in the open source world. Few are forking existing project, adding new features to it and selling it as open source product. Few strategies required to follow to sell the product better.

Marketing stratigies required to sell open source product

GPL is widely used and known license in Open Source community. Richard Stallman father of GNU is the man behind GPL. GPL gives freedom and not free software.

Pros and Cons of GPL licenese

Git and Subversion are most popular and widely used version control system. What is the best situation to choose them? It is important to know its pros and cons, evaluate your requirement and choose the right one.

Git vs Subversion

Cloud is nothing but more than one system or application distributed across the network, across the globe. It may have couple of application servers, database server, shared data storage, backup server and lot more. The resources in the distributed environment must have information about each other so that they could co-ordinate and share without any issues. ZooKeeper helps to do that.

Is ZooKeeper mandatory for Cloud

OLAP (Online Analytical Processing), Reporting, Data mining related tasks are usually done by Business intelligence products. They do powerful Extraction, Transformation and Loading (ETL) the data and provides various reports. They use  relational database as its back end. How could they generate better reports? Will column DB do a better job?

Column database vs OLAP

Column oriented database or datastore as the name sounds it stores the data by column rather than by row. It has some advantages and disadvantages over traditional RDBMS. Developer should know the typical situation to choose column  oriented database.


Best situation to use Column database

Before moving to cloud, First decision to make is whether Scale up the hardware or Scale out with multiple systems. Both has its pros and cons.

Scale up vs Scale out. First decision to make before moving to cloud

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

In this article we will have a look at CLI Tools for Minio and AWS S3

CLI Tools for Minio and AWS S3

Introduction to Spring Shell

fd is a fast, simple, and user-friendly tool that simply performs faster than find. It isn't meant to be a replacement for find, but rather a slightly faster alternative that is easier to use. Let us explore fd command completely in this article.

fd - A simple, fast and user-friendly alternative to find

Building CRUD REST API using Go

Building a CRUD To-Do List App in React Native with Expo: A Step-by-Step Guide

Cassandra is a highly scalable and distributed NoSQL database known for its ability to handle large volumes of data across multiple nodes. It is designed to provide high availability and fault tolerance, making it a popular choice for applications that require real-time data processing and high read and write throughput. In this article, we will explore some common use cases for Cassandra and learn how to perform CRUD (Create, Read, Update, Delete) operations in Python using the Cassandra driver.

Cassandra: Use Cases and Python CRUD Operations

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

How To Send Email using Jakarta Mail

Most of the projects will have a requirement of sending and receiving mails. We have mentioned about GreenMail - Email Test Framework, in our previous article about API based SMTP testing. In this article, we discuss about MailHog - Web and API based SMTP testing. You send out a mail from your code and you can check it via web visually and also via API. Those who do API testing can check via API. Developers may want to visually verify the format of the mail. MailHog is a best bet for SMTP testing.

MailHog - Web and API based SMTP testing

In any project there will be a need to send mail out to users. It could be an alert mail, forget password or authentication related mail. Mail is the default communication between the software and the users. As a developer, we can write code, to send out a mail but we need to make sure whether it got successfully received and how the body of mail, Is it the same like what we have sent. GreenMail is a Email test framework which helps to send and receive mails. It is a test framework which supports SMTP, POP3, IMAP including SSL. 

GreenMail - Email Test Framework in Java

This guide walks you through the process of installing and configuring Minio on your system, ensuring you can quickly get up and running with this robust storage solution.

Step-by-Step Guide: How to Install and Configure Minio

How to install and configure Apache Kafka

How to Install and Configure Apache Kafka

How to install and self host Supabase

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