stackyFACTS
Technology

The bug that disappears when you inspect it

HERE’S THE INTERESTING PART

Named after the uncertainty principle, a heisenbug is an error that consistently crashes a program until you attach a diagnostic monitor to figure out what went wrong. The sheer act of observing the code alters its timing just enough that the bug vanishes entirely, making it completely impossible to permanently fix.

The bug that disappears when you inspect it
STACKY / Technology
One discovery leads to another.

Keep exploring facts in this topic.

Technology →
STACKY FOR IPHONE

A bigger world.
One discovery
at a time.

Keep discovering with Stacky. Interesting facts in an app that is always within reach.

Download on the App Store
ONE MORE DISCOVERY?

Keep exploring

All in this topic →
The terrifying reason internet-connected smart bulbs have a habit of turning on at full brightness at 3 AM.
Technology

The terrifying reason internet-connected smart bulbs have a habit of turning on at full brightness at 3 AM.

The terrifying reason internet-connected smart bulbs have a habit of turning on at full brightness at 3 AM.

Discover more
Maximum code test coverage still permits fatal logic flaws
Technology

Maximum code test coverage still permits fatal logic flaws

A false sense of security wrapped in a green checkmark. Hitting 100% test coverage just proves every line of code executed without instantly exploding; it…

Discover more
The software bug that points developers the wrong way
Technology

The software bug that points developers the wrong way

A Jedi bug is an error that casually tricks developers into looking the complete wrong way. It produces a failure message that strongly insists the problem is…

Discover more
NASA engineers explicitly programmed the Curiosity rover to hum the Happy Birthday song to itself entirely alone on the freezing surface of Mars to celebrate its first year of operation.
Technology

NASA engineers explicitly programmed the Curiosity rover to hum the Happy Birthday song to itself entirely alone on the freezing surface of Mars to celebrate its first year of operation.

NASA engineers explicitly programmed the Curiosity rover to hum the Happy Birthday song to itself entirely alone on the freezing surface of Mars to celebrate…

Discover more
Why Windows rejects folders named CON
Technology

Why Windows rejects folders named CON

Imagine your modern desktop machine being scared of a three-letter word. Since the days of command-line computing, naming a folder 'CON', 'PRN', or 'NUL' is…

Discover more
Why 3D artists test models on a chimpanzee head
Technology

Why 3D artists test models on a chimpanzee head

Instead of testing lighting on a boring cube or sphere, some digital modeling tools offer a decapitated chimpanzee head named Suzanne. She was added purely as…

Discover more
StackyMore discoveries in the app
Download on the App Store