Dan Bergh Johnsson

@petecordell @KevlinHenney Well put!

@danbjson @KevlinHenney Yes. Quite often when a developer says "I understand the code..." they really mean "I assumed the code..." :-)

@petecordell @KevlinHenney IME most bugs are due to that one piece of the code subtly misunderstand another piece of the code.

Instead of attending #DDDEU, I’m in Sweden, writing a chapter on how to design DDD entities in a secure way. Weird. #SecureByDesign

@nipafx @olivergierke I would guess that when we are staring sceptically at suspicious code, we are less likely to miss bugs due to bias.

@nipafx @olivergierke IME, when I find the first bug, then "the spell is broken", and then I see bugs all over the place.

@JohanpolisBD Well, so do we programmers ...

@JohanpolisBD I can imagine! There must be lots of subtle pitfalls where you need to work *against* how the brain is wired.

@JohanpolisBD I've heard police officers get special training to do ID-checks without getting subconsciously fooled. Is that so?

@JohanpolisBD I 've heard this is also why it is so hard to do ID-checks without special training. Lazy brain just says "ok same person".

@JohanpolisBD "All the code I have looked at this far is correct" lazy brain deduces "then the rest is probably also OK" (confirmation bias)

@JohanpolisBD Indeed. Our brain being lazy is the root cause, it leads to confirmation bias.

Why is it so hard to spot bugs? Because most of the code is correct, leading us to confirmation bias, which makes us miss the subtle mistake

@JefClaes Yepp, and/or kinect-style gesture recognition. Matrix, here we come!

Today my eminent colleague @frusunnanbo presents at @konfDataTjej talking about @elmlang. If you're there, don't miss her! #womenintech

@naeemsarfraz I'm in the same situation ...

@JefClaes I would love to do refactoring using gestures on a really big touch-screen, or in the air, standing up.

We need hands-on ways to make software, like making pottery with your hands - @conways_law #DDDEU

Sad not to be at #dddeu, would have loved to discuss how #DDDesign can promote security together with seasoned DDDers. #SecureByDesign