David Landup

Articles: 599

Joined: Aug 17, 2018

Entrepreneur, Software and Machine Learning Engineer, with a deep fascination towards the application of Computation and Deep Learning in Life Sciences (Bioinformatics, Drug Discovery, Genomics), Neuroscience (Computational Neuroscience), robotics and BCIs.

Great passion for accessible education and promotion of reason, science, humanism, and progress.

Recently published

Article

Prevent Cross-Site Scripting (XSS) in Spring Boot with Content-Security Policies (CSPs)

The security of users and their personal data while using a web application is paramount. While this guiding principle has been acknowledged even from the early stages of web development - bad actors find loopholes in applications, and may exploit your users. Many "standard" attacks are well-known and...

David Landup

Oct 30, 2022·8 min read

Article

Definitive Guide to the Random Forest Algorithm with Python and Scikit-Learn

The Random Forest algorithm is one of the most flexible, powerful and widely-used algorithms for classification and regression, built as an ensemble of Decision Trees. If you aren't familiar with these - no worries, we'll cover all of these concepts. In this in-depth hands-on guide, we'll build an intuition on...

Cássia Sampaio

Oct 25, 2022·54 min read

Article

Check If String Contains a Number in Python

Whether you're building a verification script for user input, a login form that requests users to include a character in a password - checking whether a string contains a character isn't an uncommon operation. In this tutorial - we'll take a look at the many ways you can check whether...

Guest Contributor

Oct 24, 2022·17 min read

Article

Reading and Writing JSON to a File in Python

In this guide, we'll take a look at how to read and write JSON data from and to a file in Python, using the json module. JSON (JavaScript Object Notation) is an extremely popular format for data serialization, given how generally applicable and lightweight it is - while also being...

Scott Robinson

Oct 21, 2022·14 min read

Article

Guide to Simple Email Service (AWS SES) with Spring Boot and Spring Cloud

AWS SES (Simple Email Service) is a simple-to-setup email sending and receiving service. It is usually difficult, finicky and tedious to manage an on-premise email system, so outsourcing the process is a popular choice. We can use Amazon SES to send transactional emails, marketing emails, or any other kind of...

Arpendu Kumar Garai

Oct 20, 2022·24 min read

Article

Guide to Exception Handling in Express

Exceptions and errors are bound to occur while users interact with any application, it is up to software engineers to choose a means to handle any error that might arise - knowingly or unknowingly. As a result, backend developers who build APIs with Express find themselves working to ensure that...

Uchechukwu Azubuko

Oct 19, 2022·17 min read

Article

Get Feature Importances for Random Forest with Python and Scikit-Learn

The Random Forest algorithm is a tree-based supervised learning algorithm that uses an ensemble of predicitions of many decision trees, either to classify a data point or determine it's approximate value. This means it can either be used for classification or regression. When applied for classification, the class of the...

Cássia Sampaio

Oct 18, 2022·12 min read

Article

How to Save Command Output as Variable in Bash?

In bash scripts, assigning the output of a command to variables can be convinient by storing the outputs of the commands and using them later. In this short guide, we will take a look at how you can store the output of a command as a variable in Bash. The...

Guest Contributor

Oct 17, 2022·5 min read

Article

Guide to Writing Custom TensorFlow/Keras Callbacks

Suppose you want your Keras model to have some specific behaviour during training, evaluation or prediction. For instance, you might want to save your model at every training epoch. One way of doing this is using Callbacks. In general, Callbacks are functions that are called when some event happens, and...

Felipe Antunes

Oct 14, 2022·14 min read