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grzaks's comments

grzaks | 5 months ago | on: Chess.com regional pricing: A case study

I was a Platinum subscriber for a few years. It's definitely not a scam, but in my opinion, they completely fail at detecting cheaters.

It's very frustrating when you lose a lot of games to cheaters. I cancelled my subscription and moved to Lichess — and although I still lose games, I don't feel like I'm being cheated nearly as often as on Chess.com.

grzaks | 2 years ago | on: Apache Superset

We use https://cube.dev/ as intermediate layer between data warehouse database and Superset (and other "terminal" apps for BI like report generators). You define your schema (metrics, dimensions, joins, calculated metrics etc) in cube and then access them by any tool that can connect to SQL db

grzaks | 2 years ago | on: How to learn chess as an adult (2021)

My biggest frustration with chess online is the huge number of cheaters on platforms like chess.com and lichess. It really takes the whole fun away.

I never really understood WHY people are cheating in online chess games. There is no fame, no money in it. This is puzzling for me.

My frustration is that chess.com and lichess are extremely week at finding and banning cheaters. Sometimes is sooo obvious, when for example somebody blunders a piece in first few moves and from this moment starts playing just perfect moves.

grzaks | 2 years ago | on: How to learn chess as an adult (2021)

Yeah. You have to realize that in chess there are two players and one of them is going to lose. Sometimes it's you, sometimes it's your opponent. To progress in chess you need to win more games than you lose. 50.5% win rate is enough in the long term.

My suggestion based on my own emotions with chess is that you should start playing quick games like 3+2 or something. The time and emotional "investment" in those games is low enough that you might not care when you lose. Just start another game and try again. Losing classical game that you were playing for 2 weeks is a different beast.

grzaks | 3 years ago | on: Global Spyware Scandal: Exposing Pegasus

Pegasus was also used in Poland by the "Prawo i sprawiedliwość" ruling party (in eng. "Law and justice" sic!) to spy on the head of the opposition electoral staff during 2019 election.

grzaks | 3 years ago | on: IDA cybersecurity software provider Hex-Rays acquired

> I think there are a lot of people that would like to pay for IDA but can't get it.

Many years ago we wanted to buy IDA Pro license and were quickly declined because we had whois privacy protection enabled on our domain.

grzaks | 5 years ago | on: EMule 0.60a

I would first have to find out if I still have that research data

grzaks | 5 years ago | on: EMule 0.60a

My own reverse engineering. There was a hidden packet in protocol implementation that opened a shell for you
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