Writing Good Tests: Patterns, Fixtures, and Anti-Patterns
Executive Summary: Good tests follow the test pyramid: many fast unit tests, fewer integration tests, and a thin…
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496 articles
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Servant Leadership for Engineering Managers: Leading Without Commanding
Learn servant leadership for engineering managers: what Greenleaf's model means for tech leads, how to remove impediments, and…
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Mockito: Mocking, Stubbing, and Verifying
Executive Summary: Mockito lets you replace a class’s dependencies with mocks, stub their responses, and verify the calls…
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JUnit 5: Writing Your First Tests
Executive Summary: A JUnit 5 test is a method annotated @Test that passes when its assertions hold. This…
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How to Lead Engineers Without Authority
Learn to lead engineers without authority using French and Raven's power bases, expert and referent power, and a…
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How to Run Engineering Status Meetings That Don’t Waste Time
Learn how to run engineering status meetings: push status in writing, keep standups for blockers, and spend meeting…
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10 React Hooks You Must Know in 2025
Ten React hooks that still matter in 2025, with when to use each and how they change component…
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Code Optimization in Java: Minimize Latency with Profiling
Java latency playbook: allocation and I/O techniques, pooling, async-profiler and JMH guidance, with before/after discipline.
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LLM App Production Checklist: Cost, Caching, Retries, and Safety
Eleven practices that keep an LLM feature alive in production, ranked by impact, each with a wrong example,…
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AI in Email Marketing: For High-Performance Campaigns
Discover how the AI in Email Marketing enables faster content creation, smarter segmentation, and automated variations directly within…
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How to Run a Project Kickoff That Sets Engineers Up to Succeed
Learn how to run a project kickoff that works: a charter, a 90-minute agenda with timings, an assumptions…
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Profiling and Performance Tuning Basics in Java
Executive Summary: Java performance tuning works best as a loop: reproduce under steady state, set a baseline, profile,…
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How to Test and Evaluate LLM Applications in Python
Separate deterministic tests from evals, build a golden dataset, score with code before judges, and read pass rates…
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Instantly Edit Websites with Chrome designMode
Use Chrome document.designMode for temporary copy and layout mockups. Steps, limits, a11y warnings, and when to use DevTools…
