Software Engineering Perspectives Articles

Trung Thanh Le

Updated on July 29, 2025

There are several ways to get the last element of a JavaScript array, including length property and square bracket notation, slice() method and pop() method. Here are nine methods to try.

Linda Ngo

Updated on July 29, 2025

A deep dive into logical operators in R. Learn how to change or compare results of comparisons made using relational operators with NOT, OR and AND in R.

Cornellius Yudha Wijaya

Updated on July 28, 2025

Converting your Jupyter Notebook to PDF is a useful way to share your processed data set. Here’s how to do it in three simple steps.

Raivat Shah

Updated on July 25, 2025

A priority queue in Python is an abstract data structure that is like a normal queue but where each item has a special “key” to quantify its “priority.”

Ahmed El Bir

Updated on July 25, 2025

Learn how to distinguish between the two scopes of Python attributes, class vs instance, and how to use them.

Alexander Majorov

Updated on July 22, 2025

The “ImportError: attempted relative import with no known parent package” occurs when a relative import in a module has no parent package. Here’s how to solve it.

Peter Grant

Updated on July 22, 2025

Alphanumeric characters refer to the combination of Latin alphabet letters (A to Z — uppercase and lowercase) and Arabic numerals (0 to 9). This set is commonly used in English and other languages based on the Latin script, especially in computing.

Artem Oppermann

Updated on July 22, 2025

The Java Runtime Environment (JRE) is a software layer that enables Java applications to run. It includes the Java Virtual Machine (JVM), core libraries and necessary resources, and allows Java programs to execute consistently across different platforms.

Anthony Corbo

Updated on July 22, 2025

Python is a programming language used in website development, software development, task automation, data analysis and data visualization.

Mamta Singh

Updated on July 22, 2025

Traceroute is a network diagnostic tool that tracks the path data packets take from a source device to a destination by identifying each router (or hop) along the way. It helps measure latency between hops and pinpoint where network route delays occur.