Lerne NEIN zu sagen,
erst dann werden sie dein JA schätzen.

Musste heute in der Arbeit, mal wieder mein JA aufwerten.

#Arbeit #ja #nein

What's wrong with this JavaScript Object.assign overwriting?

What's wrong with this JavaScript Object.assign overwriting nested objects. The JavaScript code uses Object.assign for config merge. In JavaScript nested objects are copied by reference and get overwritten.

#whatswrongwiththisjavascriptcode #javascriptbug #javascriptproductionbug #javascriptdebugging #javascriptbackend #javascriptcodereview #javascriptsecurity #javascriptperformance #ja...

https://www.youtube.com/watch?v=WLF_6Q9d75Y

Why does this JavaScript WeakMap key garbage collected?

Why does this JavaScript WeakMap key garbage collected too early. The JavaScript code stores data in WeakMap keyed by object. In JavaScript without a strong reference the entry disappears.

#whatswrongwiththisjavascriptcode #javascriptbug #javascriptproductionbug #javascriptdebugging #javascriptbackend #javascriptcodereview #javascriptsecurity #javascriptperformance #javascriptreliability #ja...

https://www.youtube.com/watch?v=Fhsma8Whwqc

Why does this JavaScript Object keys on array?

Why does this JavaScript Object keys on array returning string indices. The JavaScript code uses Object.keys on an array. In JavaScript keys are string numbers and holes are skipped.

#whatswrongwiththisjavascriptcode #javascriptbug #javascriptproductionbug #javascriptdebugging #javascriptbackend #javascriptcodereview #javascriptsecurity #javascriptperformance #javascriptreliability #javascriptapi #ja...

https://www.youtube.com/watch?v=py5dxuq7WYI