RobinWieruch.de is the personal site and blog of Robin Wieruch, a software engineer and educator known for clear, practical tutorials on React, TypeScript, Next.js, GraphQL, Node.js, and testing. The articles focus on real projects and common problems such as state management, authentication, data fetching, pagination, performance, and testing strategies. Robin is the author of The Road to React and other hands-on guides. He publishes step by step walkthroughs that pair code with explanations, so readers learn the concepts and the reasoning behind them.
335 articles from this blog
A tutorial explaining React's Render Props pattern by building a currency converter component.
A guide on fetching data in React using Class Components, covering lifecycle methods, error handling, and testing.
An analysis of the pros and cons of using Apollo for GraphQL, including its ecosystem and alternatives.
An overview of GraphQL, exploring its advantages like declarative data fetching and disadvantages compared to REST.
A beginner-friendly guide to setting up and using Git and GitHub, covering essential commands for web development.
A tutorial on building a custom GraphQL client library for React to understand its internals and contribute to the ecosystem.
A beginner's guide to using GitHub's GraphQL API from a client-side perspective, including setup and basic data interactions.
A tutorial on creating a minimal React app with Apollo Client to query GitHub's GraphQL API and manage local state.
A tutorial on using apollo-link-state to manage local state in React applications with Apollo Client and GraphQL.
Explains why modern JavaScript frameworks like React are essential for web development by comparing them to vanilla JavaScript.
A short guide to setting up a React project using the zero-configuration Parcel bundler, from initial setup to running the application.
A tutorial on integrating PayPal payments into a React application, including creating a REST API app and building a reusable component.
A web developer shares their journey learning machine learning, applying JavaScript skills to a new domain and rediscovering math.
Updated guide for learning React and Redux in 2019, offering opinionated tips on boilerplates, components, state management, and testing.
A tutorial on implementing a neural network in JavaScript using Google's deeplearn.js library to improve web accessibility by choosing font colors.
A guide to implementing logistic regression with gradient descent in JavaScript to solve classification problems.
Explains the Normal Equation as an alternative to Gradient Descent for linear regression in JavaScript, including implementation.
A guide to implementing multivariate linear regression with gradient descent in JavaScript, including feature scaling.
A guide to implementing vectorized gradient descent in JavaScript for machine learning, improving efficiency over unvectorized approaches.
Explores methods to optimize the gradient descent algorithm in JavaScript, focusing on selecting the right learning rate for convergence.
