python

Articles: 484

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Graphs in Python: Breadth-First Search (BFS) Algorithm

Graphs are one of the most useful data structures. They can be used to model practically everything - object relations and networks being the most common ones. An image can be represented as a grid-like graph of pixels, and sentences can be represented as graphs of words. Graphs are used...

Anđela Niketić

Nov 24, 2021

Article

Keras Callbacks: Save and Visualize Prediction on Each Training Epoch

Keras is a high-level API, typically used with the Tensorflow library, and has lowered the barrier to entry for many and democratized the creation of Deep Learning models and systems. When just starting out, a high-level API that abstracts most of the inner-workings helps people get the hang of the...

David Landup

Nov 17, 2021

Article

Calculate Square Root of a Number in Python

The square root of a number is a very common mathematical function used in all aspects of science - physics, mathematics, computer science, etc. Square roots of numbers and expressions are very frequent in formulas in all matters of science, and especially in the way we represent reality - by...

Guest Contributor

Nov 12, 2021

Article

Python: Count Number of Substring Occurrences in String

A substring is a continuous sequence of characters within a String. For instance, "substring" is a substring of "Find a substring within a string". Strings in Python are arrays of bytes representing Unicode characters and one of the most commonly used data types to represent data...

Darko Mladenovski

Nov 11, 2021

Article

Python: Validate Email Address with Regular Expressions (RegEx)

Regular Expressions, or RegEx for short, are expressions of patterns that can be used for text search and replace actions, validations, string splitting, and much more. These patterns consist of characters, digits and special characters, in such a form that the pattern matches certain segments of text we're searching through....

Anđela Niketić

Nov 10, 2021

Article

Python: Convert List to String with join()

Data takes many shapes and forms - one of the most common data structure being lists/arrays. Strings are, essentially, sequences of alphanumeric characters. The parallel between these is apparent, and we oftentimes convert between one and the other. In this guide, we'll take a look at how to convert/...

David Landup

Nov 05, 2021

Article

Python: Split String into List with split()

Data can take many shapes and forms - and it's oftentimes represented as strings. Be it from a CSV file or input text, we split strings oftentimes to obtain lists of features or elements. In this guide, we'll take a look at how to split a string into a list...

David Landup

Nov 03, 2021

Article

Using borb with Python to Create E-books From Project Gutenberg

The Portable Document Format (PDF) is not a WYSIWYG (What You See is What You Get) format. It was developed to be platform-agnostic, independent of the underlying operating system and rendering engines. To achieve this, PDF was constructed to be interacted with via something more like a programming language, and...

Joris Schellekens

Nov 01, 2021

Article

Integrating Matplotlib Charts in a PDF in Python With borb

Joris Schellekens

Oct 22, 2021