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This repository contains tutorials on various topics.

Throughout this tutorial, we will cover a series of basic technics for manipulating a collection of functions. We will build a utility that processes a single element using composition of functions. Then we will process a collection using multiple implementations such that each of them can do more than the last.

In this tutorial, we will cover the stream library from the basic operations and learn each relevant classes. The tutorial designates to developers with absolutely no experience with streams to more experienced developers who want to clarify their knowledge. Throughout this series, we will introduce new phrases and explain more deeply each Java stream method.

At the end of the tutorial, the reader will have all the necessary information about how each operation works and how to build a query that uses everything stream can give you.

This article is meant to build a common language with the reader which will be used to answer the following questions: What are free variables? Are we allowed to change them inside the lambda expression? Is it considered dangerous to mutate them?

The tutorial is intended for programmers that want to dive deep and understand what is going on behind the scene. After reading and practicing you should be able to manipulate and understand more advanced articles online about other topics that are not mentioned here.

The goal of this tutorial is for explaining what cherry-pick command is, how does it work and how to handle errors (conflicts).

In this article, we will define what docker is, and it's main components.

This tutorial attempts to clarify the common mistakes about the multiple invalid definitions for lvalue and rvalue expressions.