February 2026
- Feb 9, 2026ConceptsCreating Effective Measurement Systems for Better InsightsIf a measure becomes a target, people set the target where they can comfortably reach it. Google's answer when it adopted OKRs was to build anti-sandbagging pressure into the system itself, expecting key results to land at 60 to 70 percent. The NHS case shows the other half of the design: once waiting times alone were gamed, adding safety, outcome and access metrics meant improving one dimension by manipulation became visible in another.
- Feb 3, 2026ConceptsConstraints That Govern SystemsGoldratt's Theory of Constraints, from The Goal, holds that a system's throughput is set by its slowest component, so gains anywhere else are wasted. The page covers the Five Focusing Steps, the taxonomy of physical, policy, market and paradigm constraints, and why policy constraints are the most common and hardest to remove. It also shows the mathematical floor: Erlang's 1909 queueing work, where queues explode as utilization nears capacity.
January 2026
- Jan 11, 2026TechnologyAutomation Design Principles for Reliable WorkflowsMost automation failures are not wrong business logic. They are missing error handling, absent monitoring, or design so opaque nobody can diagnose it. This covers the seven principles that prevent that: simplicity, defensive design, observability, error handling, maintainability, testability and efficiency, with the five error patterns worth memorizing and the seven anti-patterns that produce fragile workflows.
- Jan 8, 2026TechnologyCreating Systems Without Code: A Non-Developer's GuideThe usual result is a carefully built database with no automation, or an automation with nowhere to put what it produces. Getting the data model right matters more than tool choice: one record per thing, separate anything that varies independently, and compute derived values instead of storing them alongside the inputs. The page is specific about the ceilings too, where record volume, complex logic, compliance rules or a custom interface mean code is the honest answer.
- Jan 6, 2026TechnologyGrowth Strategies for Scaling No-Code SystemsAirtable runs comfortably to roughly 25,000 to 50,000 records per table, and above that filtering, formulas and automation runs noticeably slow. Its API allows 5 requests per second per base, Notion starts dragging past 10,000 to 15,000 records, and Zapier bills per action step, so an eight-step Zap running 300 times a day burns 72,000 tasks a month. Archival patterns, batching and queueing buy you time; here is when to move to Postgres.
December 2025
- Dec 25, 2025TechnologySecure System Design Principles for Enhanced SecurityJerome Saltzer and Michael Schroeder published eight design principles at MIT in 1975, and nearly fifty years on they remain the foundation, because the underlying challenge has not changed. Secure systems resist attack through how they are structured, not what is bolted on afterward: a castle with walls and a moat beats a house with an alarm. Target's 2013 breach reached payment systems through an HVAC vendor, which network segmentation would have contained.
- Dec 9, 2025TechnologySoftware Architecture Basics: Structuring Scalable AppsHow to choose structure for the system you have rather than the one you imagine. Instagram ran its first year on a single Django monolith to roughly 14 million users with two engineers, while eBay's early 2000s microservices rebuild took years and hundreds of engineers. Shopify, powering over 444 billion dollars in commerce by 2023, invested in modularizing its monolith instead of decomposing it.
July 2025
June 2025
- Jun 17, 2025ExplainersStep-by-Step: Analyzing Incentive StructuresMap five layers, not just pay: financial, social and status, career, intrinsic, and punishment. The sharpest diagnostic asks what would happen to someone who fully optimized for the stated goal, since in many organizations that person is dismissed as naive. Gneezy and Rustichini reported that late pickups roughly doubled after Israeli daycare centers introduced a fine for lateness, and stayed high even after the fine was dropped.
- Jun 16, 2025ExplainersStep-by-Step: Designing a Feedback SystemDelay is the component teams forget, and the one that turns correction into oscillation: in Sterman's Beer Game, managers produced wild inventory swings even with steady demand, because they chased lagged signals. Virginia Mason shows a loop built right. After routing same-day patient feedback straight to the responsible care team, staff-reported errors climbed 800 percent, read correctly as reporting safety rather than worse care, while adverse events fell 74 percent.
June 2023
- Jun 5, 2023Work SkillsKey Skills for Software Engineers: A Comprehensive BreakdownWhat software engineering actually requires, technical and otherwise, mapped by career level. The 2024 Stack Overflow survey found 72 percent of developers spend self-study time on new languages and frameworks while fewer than 15 percent deliberately practice writing, estimation or stakeholder communication, the skills engineering managers name as promotion differentiators. Technical judgment, knowing what is wise rather than what is possible, separates levels.
- Jun 2, 2023Work SkillsNavigating the Software Engineer Interview ProcessThe stages run recruiter screen, technical phone screen, system design, behavioral, then the full loop of four to six interviews. At FAANG companies the decision then leaves the room: a hiring committee of engineers and managers who did not interview you reads the written feedback, does not contact the interviewers, and decides on that record. Google pioneered the model specifically to reduce individual interviewer bias.
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