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Authentication versus authorisation concept diagram.
  • Dr. Ingrid Falk-Weller
  • September 27, 2026
  • (0)
  • Software Engineering

Who You Are and What You May Do Are Separate Questions

I remember sitting in a windowless server room during my first year in industry, staring at a distributed trace that made absolutely no sense, all because a senior dev had conflated authentication versus authorisation in our service mesh. We had…

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Diagram explaining heaps and priority queues.
  • Dr. Ingrid Falk-Weller
  • September 27, 2026
  • (0)
  • Algorithms

A Heap Is Only Half Sorted and That Is Enough

I spent three years in academia watching students struggle through textbook proofs for heaps and priority queues, only to see them hit a wall the moment they tried to implement them in a real-world distributed system. There is this pervasive,…

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Publication bias explained through literature gaps.
  • Dr. Ingrid Falk-Weller
  • September 27, 2026
  • (0)
  • Research Practice

The Literature Shows What Worked, Not What Was Tried

I remember sitting in a windowless seminar room during my PhD, watching a senior researcher present a “groundbreaking” new optimization algorithm. He spoke with such absolute certainty that the room felt heavy with the weight of his success. But as…

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Issues with sharding and partitioning under load.
  • Dr. Ingrid Falk-Weller
  • September 25, 2026
  • (0)
  • Systems

The Wrong Shard Key Is Discovered Under Load

I remember sitting in a windowless server room during my first year in industry, watching a senior engineer try to “fix” a latency spike by implementing a complex sharding strategy that the system didn’t actually need. He was treating the…

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Convolutional networks basics: sharing weights concept.
  • Dr. Ingrid Falk-Weller
  • September 24, 2026
  • (0)
  • Machine Learning

Sharing Weights Across Space Because Edges Look the Same Everywhere

I spent three years in academia watching brilliant students get lost in a sea of high-level abstractions, only to realize they couldn’t actually explain why a kernel worked when they looked at the raw math. Most tutorials treat convolutional networks…

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Implementing effective rate limiting approaches.
  • Dr. Ingrid Falk-Weller
  • September 20, 2026
  • (0)
  • Software Engineering

Protecting the Service From Its Most Enthusiastic User

I still remember the smell of ozone and burnt dust in the server room during my first real production outage. I was staring at a dashboard where every single metric was screaming red, all because we had implemented one of…

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Fenwick trees explained through prefix sums.
  • Dr. Ingrid Falk-Weller
  • September 19, 2026
  • (0)
  • Algorithms

Prefix Sums That Survive Updates

I remember sitting in a windowless lab during my second year of grad school, staring at a whiteboard covered in increasingly grotesque segment tree implementations. Everyone around me was treating these structures like some kind of holy grail of competitive…

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Visualizing complex biological replication strategies.
  • Dr. Ingrid Falk-Weller
  • September 19, 2026
  • (0)
  • Systems

Copies Are Easy, Agreement Between Copies Is Not

I spent three years in academia reading papers that treated replication strategies as if they were solved mathematical proofs, only to watch those same “proven” models crumble the moment they hit a real-world network with jitter and packet loss. There…

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Understanding negative results and their value.
  • Dr. Ingrid Falk-Weller
  • September 14, 2026
  • (0)
  • Research Practice

The Experiments That Failed Are Also Evidence

I remember sitting in a windowless lab during my third year of my PhD, staring at a distributed consensus simulation that had crashed for the fourteenth time in a row. I felt like a failure because my data didn’t show…

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Importance of learning rate scheduling hyperparameter.
  • Dr. Ingrid Falk-Weller
  • September 14, 2026
  • (0)
  • Machine Learning

The Single Most Important Hyperparameter

I remember sitting in a windowless server room three years ago, watching a training loss curve jitter violently like a dying heartbeat, only to realize I’d been treating my hyperparameter tuning like a game of slot machines. Everyone in the…

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