Research

What are the Applications of Graphs in Computer Science?

Algorithms, Artificial Intelligence, Computer Science, Data Science, Data Structures, Distributed Systems, Graph Theory, Machine Learning, Math, Research / By

[Reading time: 9 minutes] Graphs are everywhere. They are used in social networks, the world wide web, biological networks, semantic web, product recommendation engines, mapping services, blockchains, and Bitcoin flow analyses. Furthermore, they’re used to define the flow of computation of software programs, to represent communication networks in distributed systems, and to represent data relationships …

What are the Applications of Graphs in Computer Science? Read More »

A Bird’s-Eye Perspective on Artificial Intelligence–Written by an AI

Artificial Intelligence, Coding Business, Computer Science, Data Science, Machine Learning, Productivity, Research / By

This article is contributed by our friendly AI from InferKit that uses a deep neural network to generate text automatically. I (human) guided the AI by proposing different subheadings that may be of interest to the reader. Surprisingly, there are many unique perspectives in the article—and some totally wrong “facts”. So, enjoy this fascinating demonstration …

A Bird’s-Eye Perspective on Artificial Intelligence–Written by an AI Read More »

Python Scipy signal.find_peaks() — A Helpful Guide

Computer Science, Data Science, Python, Research, SciPy, Scripting / By

This article deals with the analysis and processing of signals, more specifically on how to identify and calculate the peaks contained in a given signal. Motivation Being able to identify and hence work with the peaks of a signal is of fundamental importance in lots of different fields, from electronics to data science and economics. …

Python Scipy signal.find_peaks() — A Helpful Guide Read More »

Execute Python from Tableau with TabPy

Computer Science, Data Science, Machine Learning, Python, Research, Scripting, Tableau / By

Are you trying to understand how to call Python code from Tableau? Maybe you tried other online resources but ran into frustrating errors. This TabPy tutorial will show you how to get the TabPy installed and setup, and will get you running Python code in Tableau. Installing Tableau Desktop If you need Tableau Desktop, you …

Execute Python from Tableau with TabPy Read More »

Unix Heros: Celebrating 8 Pioneers to Change Computing Forever

Computer Science, Productivity, Python, Research / By

The family of Unix operating systems emerged in the late 1970s when Bell Systems made the source code of its technology open to the public. In the subsequent decades, universities, individuals, and corporations developed a multitude of extensions and new versions. Today, Unix is a trademarked standard that ensures that certain quality standards are met …

Unix Heros: Celebrating 8 Pioneers to Change Computing Forever Read More »

Premature Optimization is the Root of All Evil

Algorithms, Computer Science, Data Structures, Performance, Productivity, Python, Research, Scripting / By

This chapter draft is part of my upcoming book “From One to Zero” (NoStarch 2021). You’ll learn about the concept of premature optimization and why it hurts your programming productivity. Premature optimization is one of the main problems of poorly written code. But what is it anyway? Definition Premature Optimization Definition: Premature optimization is the …

Premature Optimization is the Root of All Evil Read More »

How to Generate Text Automatically With Python? A Guide to the DeepAI API

Algorithms, Computer Science, Data Science, Machine Learning, Productivity, Python, Python String, Research, Scripting, Web Scraping / By

Do you want to enrich your Python script with powerful text-generation capabilities? You’re in the right place! What does it do? I just discovered DeepAI’s API that automatically generates a body of text, given a sentence fragment or topic keyword. How can it be used? You can use this as a basis to generate text …

How to Generate Text Automatically With Python? A Guide to the DeepAI API Read More »

How Many Freelance Developers Are There in the US?

Coding Business, Computer Science, Freelancing, Investment, Productivity, Python, Research, Web Development / By

How many freelance developers are there in the US? There’s no official and precise answer. However, based on three credible sources—Upwork, Freelancer Union, McKinsey—I calculated an estimation stemming from each source. Here are our estimations for the number of freelancers based on three independent data sources: Upwork Data: 12,500,000 freelance developers in the IT sector. …

How Many Freelance Developers Are There in the US? Read More »

How To Extract Numbers From A String In Python?

Algorithms, Data Science, Data Structures, Python, Python List, Python One-Liners, Python String, Regex, Research / By

Summary: To extract numbers from a given string in Python you can use one of the following methods: Use the regex module. Use split() and append() functions on a list. Use a List Comprehension with isdigit() and split() functions. Use the num_from_string module. Extracting digits or numbers from a given string might come up in …

How To Extract Numbers From A String In Python? Read More »