Mateusz Chrzonstowski (mat3e) @_mat3e_ X Profile

Mateusz Chrzonstowski (mat3e)

@_mat3e_

Followers

415

Following

2K

Media

126

Statuses

911

Experienced #FullStack Software Engineer, IT Trainer & IT Showman focused on a business software. #JavaScript, #Java, #AI, #Technology, #MMA, #DragonBall

Warsaw, Poland

Joined November 2016

Don't wanna be here? Send us removal request.

Łukasz Olejnik

@prywatnik

5 months

Chińscy naukowcy opracowali najlepszy od 41 lat algorytm wyznaczania najkrótszej ścieżki w grafie! Zespół z Tsinghua University przełamał barierę sortowania Dijkstry. To pierwsza poprawa od 1984 r. Nowy algorytm działa w czasie O(m*log⁡2/3n). Co to może dać? Szybsze GPS,

92

336

5K

Mateusz Chrzonstowski (mat3e)

@_mat3e_

1 year

Slajdy z Damiana i mojego wystąpienia na @WarszawaJUG: https://t.co/RdH4mlBTWH Przykładowa aplikacja: https://t.co/abmd4Xaxa3 Artykuły napisane przez nas w temacie: - https://t.co/wAaIBXIE7z - https://t.co/LTAC6lEBsi #SpringBoot #Java #testing

paramount.tech

Executing tests faster on CI.

0

Mateusz Chrzonstowski (mat3e)

@_mat3e_

2 years

Good overview - logs, metrics, how they grow over time, APDEX, traces, baggage, APM, OpenTelemetry, events, example @honeycombio walkthrough 👍🏻

Warszawa JUG

@WarszawaJUG

2 years

Our own @mihn, Warsaw #JUG leader for past ten 10 years, now on the @paramountco stage with beginner's guide to #observability

0

1

Mateusz Chrzonstowski (mat3e)

@_mat3e_

2 years

JSONPath and each JSONPath lib having its own features 🤯

0

Mateusz Chrzonstowski (mat3e)

@_mat3e_

2 years

Somehow I overlooked this gem. I like how fallback logic (if choosing success or failure by default) appeared non-obvious: 1. Success for growth: https://t.co/NEtoCAB4FJ 2. Failure can also break a lot: https://t.co/A5OLxu1jSB 3. #Uber choice:

Gergely Orosz

@GergelyOrosz

4 years

As it's been ~3 years, figured I'll answer "What caused the Uber Eats glitch that allowed ordering free food for a weekend in India?" This was an outage on my watch. Given Quora is paywalled - can't post the answer w/o a sub - here's the story on idempotency & breaking changes:

0

Mateusz Chrzonstowski (mat3e)

@_mat3e_

2 years

I co-authored 2 blogposts on integration tests with #SpringBoot and they got just published: - https://t.co/wAaIBXI6i1 -

paramount.tech

Executing tests faster on CI.

0

Mateusz Chrzonstowski (mat3e)

@_mat3e_

2 years

TS2419: Types of construct signatures are incompatible. X could be instantiated with an arbitrary type which could be unrelated to Y 😂😭

Liran Tal

@liran_tal

2 years

Me and TypeScript every single time https://t.co/yWAxp2oAXZ

0

1

Mateusz Chrzonstowski (mat3e)

@_mat3e_

2 years

We run #Coderetreat workshop internally and here are our thoughts, including participant's perspective: https://t.co/S7XRwXPPtf #gdcr2023

paramount.tech

Organizing, running and participating in internal coding workshops

0

1

Mateusz Chrzonstowski (mat3e)

@_mat3e_

2 years

Wasn't impressed by GitHub #Copilot so far, but today it really helped when checking Conway's Game of Life for @coderetreat.

0

1

Mario Fusco

@mariofusco

2 years

... and that's why loose coupling is an important design principle

3

33

186

Java

@java

2 years

Java 21 is now available! #Java21 #JDK21 #OpenJDK Download Now: https://t.co/KCklfAPOOP Release notes: https://t.co/jNXlB4OIbY API Javadoc: https://t.co/XFJkHTukQi Features: https://t.co/tqz0H6mTXi Inside Java on JDK21: https://t.co/OeV1Jtfago

113

2K

5K

Mateusz Chrzonstowski (mat3e)

@_mat3e_

2 years

The best located conference :) @bbdays4

Robert Harężlak

@HarezlakRobert

2 years

Nice slides done by @_mat3e_ in #Pokemon theme @bbdays4

0

1

3

tom ッ

@tom_antok

2 years

The tech twitter looks like

155

2K

18K

Wes Bos

@wesbos

2 years

🔥 JavaScript Sets are about to become a lot more useful with these 7 new methods: .difference() .intersection() .symmetricDifference() .union() .isSubsetOf() .isSupersetOf() .isDisjointFrom()