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Documenting experimental setup with version numbers.
  • Dr. Ingrid Falk-Weller
  • April 30, 2026
  • (0)
  • Research Practice

Record the Version Numbers or Repeat the Work

I remember sitting in a dimly lit lab three years ago, staring at a cluster of GPUs that were producing results so suspiciously perfect they felt like a hallucination. I spent six hours trying to reconstruct the exact environment state—the…

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Kernel reordering block devices and io scheduling.
  • Dr. Ingrid Falk-Weller
  • April 27, 2026
  • (0)
  • Systems

The Kernel Reorders Your Writes for the Disk’s Benefit

I remember sitting in a windowless server room during my first industry residency, staring at a dashboard where latency spikes were climbing like a fever chart. My supervisor insisted we just “throw more NVMe drives at the problem,” a classic…

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Comparing algorithms for minimum spanning trees.
  • Dr. Ingrid Falk-Weller
  • April 27, 2026
  • (0)
  • Algorithms

Two Algorithms, One Answer, Different Data Structures

I remember sitting in a windowless lab during my second year of grad school, staring at a massive, inefficiently routed network topology that was eating up our cluster’s bandwidth like it was free. My advisor kept pointing to a textbook…

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Topological sorting explained with task dependencies.
  • Dr. Ingrid Falk-Weller
  • April 26, 2026
  • (0)
  • Algorithms

Ordering Tasks That Only Partly Depend on Each Other

I remember sitting in a windowless lab during my PhD, staring at a build system that had just deadlocked itself, surrounded by the smell of ozone and stale coffee. I was trying to debug a complex dependency chain, and every…

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Developers sharing code and data for verification.
  • Dr. Ingrid Falk-Weller
  • April 25, 2026
  • (0)
  • Research Practice

Published Code Gets Checked, Which Is the Point

I remember sitting in a dimly lit lab three years ago, staring at a “reproducible” repository that was little more than a graveyard of broken dependencies and a single, cryptic Python script. The authors had checked the box for sharing…

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Using test doubles and mocks correctly.
  • Dr. Ingrid Falk-Weller
  • April 24, 2026
  • (0)
  • Software Engineering

Mocking Your Own Logic Tests Nothing but the Mock

I remember sitting in a windowless lab during my postdoc, staring at a test suite that took forty minutes to run because every single unit test was trying to establish a real connection to a distributed database. I was chasing…

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Concept of file systems and journaling.
  • Dr. Ingrid Falk-Weller
  • April 23, 2026
  • (0)
  • Systems

The Journal Exists for the Moment the Power Goes Out

I still remember the smell of ozone and stale coffee in the server room during my first year in industry, sitting there staring at a corrupted RAID array that had just swallowed six months of research data. It wasn’t a…

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Gradient boosting basics: trees correcting errors.
  • Dr. Ingrid Falk-Weller
  • April 21, 2026
  • (0)
  • Machine Learning

Each Tree Fixes What the Last One Got Wrong

I spent three years in academia watching people treat ensemble methods like a black box, throwing hyperparameter configurations at a wall to see what sticks. It’s frustrating to see most tutorials present gradient boosting basics as a series of impenetrable…

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Implementing reproducible research workflows.
  • Dr. Ingrid Falk-Weller
  • April 19, 2026
  • (0)
  • Research Practice

If It Only Runs on Your Laptop It Is Not a Result

I still remember the smell of ozone and old dust in the basement of my former university lab, sitting there at 3:00 AM staring at a cluster of nodes that refused to yield the same result twice. I had the…

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Pathfinding using a star search heuristics.
  • Dr. Ingrid Falk-Weller
  • April 15, 2026
  • (0)
  • Algorithms

An Inadmissible Heuristic Finds a Path, Just Not the Best One

I remember sitting in a windowless lab during my PhD, staring at a simulation that was supposed to be “optimized” but was actually just spinning its wheels, consuming CPU cycles like they were free. The textbook had promised that implementing…

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