Caesar Cipher in Python

Caesar Cipher is a simple encryption and obfuscation method. It’s a straightforward substitution cipher that replaces each plain text character with the obfuscated character obtained by shifting the plain text character a fixed number of positions in the alphabet. What is Cryptography? Before we introduce our first cryptographic algorithm, Caesar’s cipher, let’s first introduce cryptography … Read more

Chatbot Developer — Income and Opportunity

Before we learn about the money, let’s get this question out of the way: What Is a Chatbot Developer? A chatbot developer creates software to automate communication with customers and users. An example chatbot application is in customer service for an eCommerce website. Chatbot developers use machine learning and artificial intelligence techniques to communicate with … Read more

System Administrator — Income and Opportunity

Before we learn about the money, let’s get this question out of the way: What Does a System Administrator Do? A system administrator (SysAdmin) is responsible for keeping a system, server, or server application running smoothly and without unexpected negative system behavior. This involves tasks such as management, debugging, troubleshooting, licensing, and updating hardware and … Read more

Android App Developer — Income and Opportunity

Before we learn about the money, let’s get this question out of the way: What Does an Android App Developer Do? An Android app developer is a programmer who focuses on software creation for mobile devices such as smartphones or wearables using the Android operating system. Feel free to check out our other articles on … Read more

iOS App Developer — Income and Opportunity

Before we learn about the money, let’s get this question out of the way: What Does an iOS App Developer Do? An iOS app developer is a programmer who focuses on software creation for Apple mobile devices such as iPhones or wearables such as Apple Watches. Most mobile app developers create smartphone apps for the … Read more

Computer Science Researcher – Income & Opportunity

Before we learn about the money, let’s get this question out of the way: What Does a Computer Science Research Scientist Do? A computer science researcher and scientist identifies and answers open research questions in computer science. They apply scientific reasoning and research techniques to push the state-of-the-art forward in various fields such as machine … Read more

Embedded Applications Engineer — Income and Opportunity

Before we learn about the money, let’s get this question out of the way: What is an Embedded Applications Engineer? An embedded systems engineer applies software development and embedded systems knowledge to design, create, develop, debug, and maintain embedded applications and products. Other terms with similar job descriptions are often used interchangeably: Embedded systems engineer … Read more

Mobile App Developer — Income and Opportunity

Before we learn about the money, let’s get this question out of the way: What Does a Mobile App Developer Do? A mobile app developer is a programmer who focuses on software creation for mobile devices such as smartphones or wearables. Most mobile app developers create smartphone apps for the Android, macOS, or Windows mobile … Read more

How to Fix ImportError: No module named pandas [Mac/Linux/Windows/PyCharm]

Quick Fix: Python raises the ImportError: No module named pandas when it cannot find the Pandas installation. The most frequent source of this error is that you haven’t installed Pandas explicitly with pip install pandas. Alternatively, you may have different Python versions on your computer, and Pandas is not installed for the particular version you’re … Read more

Desktop Developer — Income and Opportunity

Before we learn about the money, let’s get this question out of the way: What Is a Desktop Developer? Let’s have a look at the definition first: A desktop developer is a software developer creating software applications for desktop-based operating systems like macOS, Windows, and Linux. In some cases, these applications don’t require an uninterrupted … Read more

The Maximum Profit Algorithm in Python

This article presents an algorithmic problem with practical value for stock market analysis. For instance, suppose you are trading the cryptocurrency Ethereum. How much profit in dollars can you make by buying low and selling high based on historical data? Maximum Profit Basic Algorithm The max profit algorithm calculates the maximum profit you’d obtain by … Read more