A deep dive into building advanced React DevTools with time-travel debugging capabilities using Replay.io's backend API.
Explains why traditional debugging fails for LLMs and advocates for observability-driven development to manage their non-deterministic nature in production.
A developer reflects on how their opinions on software development practices like comments, testing, IDEs, and remote work have evolved over time.
Introduces ETTrace, an open-source iOS performance debugging tool that improves upon Xcode's Time Profiler for identifying bottlenecks.
Updates to the zlFetch library, a wrapper for the Fetch API, including error handling improvements, debug mode, and instance creation.
A guide to debugging a broken Python Language Server (pylsp) by running it manually over TCP and identifying a Jedi version conflict.
A step-by-step guide on setting up Firefox and using its developer tools to debug a browser extension you are building.
Explores the growing focus on debugging tools in testing frameworks like Cypress and Playwright, highlighting their importance for developer insight.
Part 2 of a series on creating a developer tool, focusing on designing core Swift protocols and models for a logging dashboard.
A review of Replay.io, a debugging tool that records app sessions for time-travel debugging and collaborative issue resolution.
A guide to extracting useful debugging information from error messages, covering OS conventions, network errors, and practical analysis techniques.
A technical case study on debugging a Django performance issue, detailing the investigation process and tools used.
A technical guide on accessing and verifying app logs from within iOS UI Tests using SwiftUI and XCTest.
A guide to debugging JavaScript, covering principles, techniques, and real-world bug stories from conference talks.
A guide to using iOS Performance Trace Profiles to debug performance issues like UI hangs and slow code that cannot be reproduced internally.
A detailed case study on debugging a scaling issue in a large-scale Apache Beam and Dask workflow involving hundreds of GPU workers.
Explains how to implement test-only accessibility values in iOS apps using SwiftUI/UIKit, ensuring testing data isn't exposed to users in production.
Troubleshooting guide for .NET MAUI developers facing sudden build failures, with fixes for common issues like SDK mismatches and file errors.
Explores implementing pattern matching in Python using predicates and combinators, detailing custom MatchResult types and pattern semantics.
