How to delete/revert a Git commit
You’ve just pushed something to a Git repository and you immediately regret it!
Run git log to see what the commit id was:
git log
Take the …
Read Article →Technical Articles
In-depth guides, insights, and best practices for modern software engineering
[Solved] Pip: There was a problem confirming the ssl certificate
If you ever get the following error when trying to install a Pip module under Python:
Could not fetch URL https://pypi.python.org/simple/****/: There …How to Learn Python Programming Quickly
So you want to learn to program in Python and you don’t have a lot of time?
That’s okay! Once you grasp some of the key concepts and ways …
Read Article →NoSQL Pandas Dataframes
Read Article →Pandas Dataframes are simply a table with some rows (McKinney, 2015) and many additional features built right in to make data scientists lives much …
Relational (SQL) vs NoSQL Database Models
The Relational (SQL) database has been a central piece to businesses since the 1970s when they first had their claim to fame.
Experts say that the …
Read Article →Netflix Hadoop Big Data Marketing Use Case
Netflix is a video streaming service that has a wealth of information about their user base likes, dislikes, general consumer habits, retention …
Read Article →Using Hadoop to manage Dark Data
Dark Data is the biggest piece of the pie (Datumize , n.d.) when it comes to Big Data and what lies beneath huge datasets of collected information. …
Read Article →An Introduction to Client-Server Systems
A client-server architecture/system is one where the server maintains all models of the backend datasets and business logic around taking and …
Read Article →When to use FLUSH PRIVILEGES in MySQL
So if you’ve ever created users and given them specific permissions from with SQL or the commandline, you will be familiar with a statement …
Read Article →MySQL Community Server MSI Installer Hangs on Windows 10
I was trying to install MySQL Community Server for Windows 10 using the standard .MSI installer provded from the MySQL website and the installer just …
Read Article →Android device supports x86, but APK only supports Arm
I get this error quite a lot when trying to deploy an Android APK to an emulator.
“Device supports x86_64, x86, but APK only support , all, …
Read Article →Weird Dialog Boxes
Every developer has seen their share of bizarre error messages and dialog boxes. Some are confusing, some are contradictory, and some are just plain …
Read Article →A bit on SQL Standards
SQL (Structured Query Language) for relational databases was maintained and standardised by the American National Standards Institute (ANSI) and the …
Read Article →A Brief Talk on Databases
Databases have been around since ancient times, when elaborate database systems were deployed by governments, hospitals and organisations to keep …
Read Article →Cloud Computing – The Refute
Cloud is great, but when you know what you are doing, think about alternatives (Blippex, 2013).
What is Cloud?
“The cloud” is a term given …
Read Article →Auditing Organisational Information Systems – Security
Auditing an organisation?s information systems is a vital part of operating a business at any decent scale. Particularly from a security standpoint …
Read Article →Biometric Technology
What is Biometric Technology?
Biometric verification is any means by which a person can be uniquely identified by evaluating one or more …
Read Article →Copyright Compensation in the Internet Age
The original conception of copyright in 1710 (Craig Joyce, n.d.) was that it usually covers only the expression of a particular idea and not the idea …
Read Article →Controlling employee digital access
Organisations of all sizes have taken to controlling what their employees can access in order to conserve computing resources, keep their employees …
Read Article →Electronic monitoring in the workplace
Electronic monitoring is not a new thing, nor one that only affects the workplace. From closed circuit television (CCTV) in stores and down many …
Read Article →The Therac-25 Case Study – What Actually Happened?
The Therac-25 was a computerised medical technology radiation therapy machine produced by Atomic Energy of Canada Limited (AECL) in 1982.
Between 1985 …
Read Article →Your Responsibilities as an IT Professional
As an IT professional it is extremely important to make sure that you do not take advantage of your position on being able to introduce certain skewed …
Read Article →New capabilities with technology
Computing technology has undoubtedly had some very prominent impact on society at large.
Of the almost countless capabilities that it has brought us, …
Read Article →The Printing Press – Technology’s impact on society
It’s important to first define what the term “technology” means.
Technology is “the application of scientific knowledge for …
Read Article →