Software Engineering Perspectives Articles

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Vytenis Alaburda Vytenis Alaburda
Updated on September 22, 2025

Why Is React a Library and Next.js a Framework?

React is a JavaScript library for building interactive user interfaces, while Next.js is a React framework that adds features like server-side rendering, routing and static site generation for optimized web development.

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Antonello Zanini Antonello Zanini
Updated on September 22, 2025

How to Fix the ‘ERR_OSSL_EVP_UNSUPPORTED’ Error in Node.js

ERR_OSSL_EVP_UNSUPPORTED is an OpenSSL error indicating that the requested operation or algorithm is not supported by the current version or configuration of OpenSSL. Here's how to get rid of the ERR_OSSL_EVP_UNSUPPORTED error in Node.js.

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Suraj Gurav Suraj Gurav
Updated on September 22, 2025

An Introduction to the Confusion Matrix in Python

A confusion matrix is a table used to evaluate the performance of a classification model by comparing the predicted labels with the actual labels, showing true positives, true negatives, false positives and false negatives.

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Satyam Tripathi Satyam Tripathi
Updated on September 22, 2025

How to Fix KeyError Exceptions in Python

KeyError in Python is an exception that occurs when you try to access a key that does not exist in a dictionary.

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Sohail Hosseini Sohail Hosseini
Updated on September 22, 2025

How to Do a T-Test in Python

A t-test is a statistical test used to determine if there is a significant difference between a sample mean and a hypothesized population mean, or between the means of two independent groups. Here's how to perform a t-test in Python.

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Daniella Meneses Daniella Meneses
Updated on September 18, 2025

Top 50 Python Interview Questions With Example Answers

Python is one of the most popular computer languages, and developers with skills in it remain in high demand. Here are some of the most common questions you can expect in your next interview.

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David Koff David Koff
Updated on September 18, 2025

How to Use the GNU Debugger (GDB)

GDB, short for GNU Debugger, is a debugger tool used to inspect a program’s internal state while it is running, allowing users to find and fix bugs in languages such as C, C++, Ada, Go and Fortran.

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Peter Grant Peter Grant
Updated on September 15, 2025

How to Write Lambda Functions in Python

A lambda function in Python is an anonymous function defined with the lambda keyword. It can take any number of arguments but has only one expression, the result of which is automatically returned.

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Murali Sastry Murali Sastry
Updated on September 15, 2025

How to Vibe Code Without Creating Security Problems

As vibe coding becomes common practice for developers, these best practices will help keep your products safe.

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Liu Zuo Lin Liu Zuo Lin
Updated on September 12, 2025

__new__ vs. __init__ Methods in Python

In Python, the __new__ method creates and returns a new object of a class, while the __init__ method initializes the attributes of a newly created object of a class. Learn more about what each does and when to use which.

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