Category Archives: Computer Science

Computer Science (CS) and Information Technology (IT) related items will be posted under this category. Topics include, but not limited to, system administration, hardware/software troubleshooting, coding/programming (PHP, HTML, Java, Python, etc) and more.

CompTIA Exams Guide

Please note this is not an all-inclusive exam guide. This will not replace your study guides and textbooks. While every effort is made to ensure that the content of this website is accurate, the data is provided “as is” and is not intended to be used as a replacement for professional educators. Sanuja Senanayake makes no representations or warranties in relation to the accuracy or completeness of the information. Use the materials at your own discretion. Continue reading CompTIA Exams Guide

How to install Active Directory Domain Services

Active Directory Domain Services (AD DS) is also known as a domain controller. It allows network and IT administrators to manage resources across multiple client terminals. In this article, we will look at how to install AD DS on a Windows Server 2019 (Datacenter Edition) in a few simple steps.

The following guide is based on Windows Server 2019. However, the process is very similar (same) on Windows Server 2012 and 2016 editions. Continue reading How to install Active Directory Domain Services

How to Update emergency Alerts on Android device

The emergency alerts system is a useful feature on most smart devices with a SIM installed. Some government agencies can access the system even when you do not have a SIM installed on the device. The system is used to push notifications (alerts) on unforeseen extreme weather conditions, natural disasters to Amber alerts (missing children). I do not promote the idea of disabling alerts, but if for whatever personal reasons you would like to disable it, you can do it on most current Android devices. The following guide is based on Samsung One UI 1.0 but it is applicable for other devices. If you do not have a Samsung device, the settings for changing the behavior of emergency alerts can be found under general system settings. Type “emergency alerts” on the settings search bar. Continue reading How to Update emergency Alerts on Android device

Adding Mobile Data and Mobile Hotspot to Quick Settings

Quick Settings is the top drop-down panel on Android devices. The following will is a simplified guide for adding mobile data and mobile hotspot (and others: data saver) to quick settings on Samsung Galaxy Devices.

I can confirm this method still works with Android 7, 8, 9 and 10 with Samsung One UI 1.0 and One UI 2.0. This will work on both network-locked and unlock devices.

Continue reading Adding Mobile Data and Mobile Hotspot to Quick Settings

Database Management System for Online Ticket Sales

Database Management System (DBMS) of online ticket sale for the stage play “Kusa-Paba” at the University of Calgary Theater.

Abstract and Project Description

The University of Calgary Theater has 500 available seats. This particular DBMS is built to allow users to order and purchase tickets online. Tickets sold by agents can also be entered to the system using the agents’ interface. Only a designated set of seats are available for sale. Some are as for reserved guests and others are designated as House Seats hence they are not available for sale. The designated seats for sale are categorized for different price levels; $50.00, $30.00 and $20.00 (Figure 1). The price levels are further broken down for adults and children.

Continue reading Database Management System for Online Ticket Sales