Practical tutorials, guides, and insights for software developers. Learn about debugging techniques, API design, testing strategies, and tools that boost productivity.
Our articles cover everything from beginner concepts to advanced techniques. Whether you're learning to code or optimizing production systems, you'll find actionable content to improve your skills.
Frontend, backend, and full-stack engineers looking for practical coding guides, debugging tips, and tool recommendations.
Testers and QA professionals seeking test data generation strategies, boundary value analysis, and testing best practices.
Team leads exploring agile estimation techniques, sprint planning strategies, and collaboration tools.
Master the art of sprint planning with our comprehensive 5-part series covering Story Points, Planning Poker, T-Shirt Sizing, PERT Estimation, and when to use each technique. Perfect for scrum masters and development teams looking to improve their estimation accuracy.
Free online token counter for Claude AI. Count tokens accurately for Claude 3 Opus, Sonnet, and Haiku models. Optimize prompts and manage API costs effectively.
Learn what tokens are, why token count matters for AI models like Claude and GPT, and how to optimize your prompts for better results and lower costs.
Learn the PERT three-point estimation technique for calculating expected durations with confidence intervals. Perfect for external commitments.
Master Planning Poker for agile estimation. Learn how simultaneous reveal prevents anchoring bias and surfaces team disagreement.
Master story point estimation with Fibonacci scales, velocity tracking, and team calibration. The industry standard for agile sprint planning.
Learn how to use T-Shirt sizing for quick, intuitive project estimation. Perfect for roadmap planning and initial backlog grooming.
Master agile estimation with our comprehensive guide covering T-Shirt Sizing, Story Points, PERT, and Planning Poker techniques.
Learn how to write cron expressions for scheduling tasks. Includes common patterns and a visual builder tool.
A curated list of free online tools every developer should know. Format code, generate data, decode tokens, and more.
How to generate realistic test data for your applications. Covers mock data, boundary values, and SQL test data.
Everything you need to know about UUIDs. Learn the differences between UUID versions and when to use each.
Everything you need to know about JSON - the data format that powers the modern web. Learn syntax, patterns, and best practices.
Systematic approaches to finding and fixing bugs faster—skills that separate good developers from great ones.
A no-nonsense reference for regular expressions you'll actually use.
Why special characters break things and how to fix them—a practical guide to character encoding for developers.
Discover free online tools for JSON formatting, code validation, data conversion, and more. Learn how to integrate these tools into your daily workflow to save time and reduce errors.
Comprehensive guides on estimation techniques including Story Points, Planning Poker, T-Shirt Sizing, and PERT analysis. Learn when to use each method for accurate sprint planning.
From test data generation to boundary value analysis, learn systematic approaches to software testing that help you catch bugs before they reach production.
Master the art of debugging with systematic techniques, tool recommendations, and real-world strategies for tracking down and fixing even the most elusive bugs.
Every article on TheDevToolbox blog is written with practical application in mind. We focus on actionable knowledge you can apply immediately to your projects, whether you're working on a personal project or enterprise software. Bookmark this page and check back regularly for new tutorials, guides, and developer insights.
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