In this post, I’ll show some examples of how to negate propositions. As I always recommend, let’s start with the definitions. Definitions Let p be a proposition. The negation of p, denoted by ¬p, is the statement “It is not the case that p.” The proposition ¬p is read “not p.” The truth value of […]
What is the negation of each of these propositions? Read More »
Propositional logic is a very important topic in Discrete Mathematics. It is part of the foundations every student should know. In this post, I’ll show how I solve this specific type of exercise. In mathematics, definitions are very important. As I always recommend to my students, when you are starting a new topic, and you
We can use the General Tree Data Structure in several ways. One of them is to create game trees. In this post, you will learn how to print some levels of the game tree for the popular game Tic-tac-toe. Tic-Tac-Toe The Tic-tac-toe game consists of a 3×3 board. One player places X’s on the board
General Tree Data Structure Example in C#: Printing levels of the Tic-tac-toe Game Tree Read More »
The Tree data structure has many applications in Computer Science. In this post, you will learn how to implement the general tree data structure in C#. So, let’s start by stating what do we mean by General Tree. General Tree Definition A tree is a mathematical model. Therefore, it is defined in Discrete Mathematics as:
General Tree Data Structure implementation in C# (with examples) Read More »
Exception handling is a must-use tool for programmers. It avoids the uncomfortable app crashes that we see often when using certain software. In this post, you will learn what an exception is and how to handle them in C#. 1- What is an Exception? An exception in a programming language is an unexpected event that
Exception handling in C# (with examples) Read More »
Text files is an important topic to master in programming. In this post, you will learn how to use text files in C#. Why do we need files in programming? A computer can store data in two ways: Random Access Memory (RAM) Computer Files An example of the use of RAM to store data is
Unit tests are a powerful tool every programmer should know about. I’ll show you how to create a unit test for exceptions in C#. In this example, we want to test that when a stack is empty, if you ask for the element at the top, you will get an exception. Also, we are going
How to write a unit test for exceptions in C# Read More »
Sometimes, we need to print double or float values with a certain precision, a.k.a. the number of decimal digits. See below one way to do it in C#. H@ppy Coding!
C# print a double/float value with a certain precision Read More »
The List data structure is one of the most used data structures in any programming language. Therefore, it is important to learn what it is and how to use it. What is a data structure? In Computer Science, we consider a data structure as a way to organize data to enable us to efficiently access
Using the List data structure in C# Read More »
The Queue data structure is used in the solution of many different problems. In this article, I’ll explain what a queue is, what are the methods available for you to use and one example of how we can use it to solve problems. As you should remember, in programming, especially in Object-Oriented Programming, we aim
Using the Queue Data Structure in C# (with examples) Read More »
