George Ymydykov

Head of Mobile

[Aakash Gupta @aakashgupta]

That water clarity is an engineering decision, and the math behind it is wilder than the video.

Roman aqueducts ran on gravity alone. No pumps, no pressure systems. Engineers carved channels with a gradient so shallow it borders on absurd. The Pont du Gard in southern France drops 2.5 centimeters over 275 meters. That's roughly the thickness of a coin over the length of three football fields. They surveyed that accuracy with plumb lines and wooden leveling instruments.

The clarity you're seeing is a direct product of flow velocity. Too steep and the water erodes the channel walls, picks up sediment, turns brown. Too flat and it stagnates. Roman engineers targeted a slope of about 20 centimeters per kilometer, which kept the water moving fast enough to stay fresh but slow enough to stay clear. Before the water reached the city, it passed through multi-chamber settling tanks where velocity dropped near zero. Suspended particles sank. Clean water flowed out the top into the next chamber. Repeat three or four times.

Pliny specified the minimum slope in writing. Vitruvius published the exact mortar ratio for hydraulic cement: one part lime to two parts volcanic ash for underwater work. The pozzolana from Pozzuoli reacted with water to form a calcium-aluminum-silicate compound that actually gets stronger the longer it sits submerged. Modern concrete degrades in water. Roman concrete bonds with it.

Scale the whole system and it gets harder to process. Eleven aqueducts fed Rome at its peak. Combined output: roughly 1 million cubic meters of water per day. That works out to about 250 gallons per person for a city of one million. Modern New York delivers about 125 gallons per person per day. Ancient Rome had access to double the per capita water supply of the largest city in the United States, running entirely on slope and stone.

The Trevi Fountain in Rome is still fed by one of them. Two thousand years, same source, same gravity, same water.

[Uncle Bob Martin @unclebobmartin]

Clean Code was never about syntax. It was always about structure. The second edition makes that even clearer by using the same principles in multiple languages. If we, who pilot agents, disengage from syntax, we are not disengaging from structure. The Clean Code principles still apply.

[George Ymydykov @ymgeorge]

@bunopus Я давал почтальону шоколадку, но она и изначально была умница.

[Ilia Stepin @martbln_dev]

Portugal just signed a new nationality law 🇵🇹

here's what changed and why it matters if you moved here trusting the rules:

residency requirement for citizenship just doubled - from 5 years to 10 years for most people. no grandfathering. no transitional protections for people already in the pipeline.

think about what that means for a second.

someone left their country. packed their life. paid lawyers, accountants, relocation fees. signed leases. built a life here. learned the language. paid taxes, very high taxes. did everything right - under the rules that existed when they made that decision.

and now the government just moved the finish line. doubled it. without saying "don't worry, you're covered."

meanwhile Portugal is out here positioning itself as a digital capital

Cloudflare opened an office here. Web Summit at Lisbon. companies are investing. conferences are coming. the whole pitch is "come build here, we're open, we're modern, we're the future of Europe."
and then this.

but here's what most people outside don't understand - and what even locals don't get:

living here with just a residency permit is not the same as living here.

every time locals find out you're an immigrant they ask "why do you need a passport?"

they don't understand what it actually means:

waiting 6 months to years(!!!) just to renew your residency permit. banks treating you like a ghost - good luck getting a mortgage, a loan, or even keeping your account open where your salary lands. basic things that every citizen takes for granted become bureaucratic nightmares that follow you everywhere.

and the family reunification situation is just nightmare.

I know people who came here in 2022. doing everything right. paying taxes. building a life. and still haven't reunited with their families in 2026. recently AIMA only opened family reunification slots for the first time in over 1.5 years.

and while you wait - you can't leave the country.

not to see your parents. not for a work trip. not for anything. because the moment your residency application is pending, you're stuck. if you leave, you risk everything.

people are sitting here and years going by. not because they broke any rule. but because the system just doesn't move.

and here's the part nobody is talking about:

AIMA - the immigration agency, formerly SEF - processes cases for years. not months. years!!

under the old 5 year rule, people were waiting 7-8 years by the time the bureaucracy finished with them.

now imagine what happens with 10 years.

it won't be 10 years. it will be 13, 14, 15! easily!
no grandfathering. no "thank you for trusting us." just: new rules, good luck.

you did everything right. followed every rule. waited every queue. paid every fee.

and the government just doesn't care.

that's not how you build a digital capital.

and one more thing - there are people who invested €500K+ into this country through golden visas. half a million euros. because Portugal said "invest here and we'll welcome you." now the rules changed on them too. no grandfathering. just: thanks for the money, good luck waiting another decade.

what does that say to the next investor looking at Portugal?

@levelsio - you are living here. you know exactly what this feels like on the ground. you've been saying that Portugal is an amazing place but the system is completely broken - and people came for you for saying it.

well. here we are.

you have more reach than most people talking about this. would mean a lot if this got your attention ���

[Uncle Bob Martin @unclebobmartin]

Morning Bathrobe Rant: AI out-codes you; deal with it.

[George Ymydykov @ymgeorge]

@igrekde Автоматизация на кондер: если открываешь окно чтобы проветрить, он ставится на паузу. Закрыл окно - он снова продолжает охлаждать :)

[George Ymydykov @ymgeorge]

@Petrov_Alexsey @Veldrin92 С каких пор менеджмент это высшая ступень развития? Это не так, уверяю как менеджер)

[George Ymydykov @ymgeorge]

I do love that one:

[Paul Couvert @itsPaulAi]

Define a to-do list

The most underestimated but powerful way to have an action plan to reach a goal.

Prompt → Give me a to-do list of tasks to accomplish to (insert your goal).

[DeepLearning.AI @DeepLearningAI]

We are thrilled to announce our new course ChatGPT Prompt Engineering for Developers, created in partnership with @OpenAI, available for free today.

Learn more and sign up today: https://t.co/RE3PZUNPjA

[George Ymydykov @ymgeorge]

@RealFpaint @DanLexin Ух ты, а есть возможность гдето примеры реализации такого подхода? Очень нравится идея.

[George Ymydykov @ymgeorge]

@mkruglova Ну это же вырванная из контекста фраза. В контексте она смотрится совсем иначе. Говорит правильные вещи: «…У вас вместо револьвера закон и различные административные практики. Если люди не понимают, значит нужно по-другому вести: сразу переходить в судебные заседания.»

[National Park Service @NatlParkService]

Always hike with proper supplies and equipment.
Remember, flippy floppies may lead to slippy sloppies.

[George Ymydykov @ymgeorge]

@_antivortex @Semenov Поделишься примерами изменений?

[Jazz Fall @JazzFall]

I gave GPT-4 a budget of $100 and told it to make as much money as possible.

I'm acting as its human liaison, buying anything it says to.

Do you think it'll be able to make smart investments and build an online business?

Follow along 👀

[George Ymydykov @ymgeorge]

@fo2rist Я последние 3 года слежу за цифрами по флаттеру, могу сказать что динамика популярности год к году растет. А у RN наоборот, он начинает проигрывать. Надо посмотреть свежие отчеты от SoF.

[George Ymydykov @ymgeorge]

I want the same for Instagram. @instagram, please!

[Elon Musk @elonmusk]

Starting today, Twitter will share ad revenue with creators for ads that appear in their reply threads

[George Ymydykov @ymgeorge]

@jbaruch Так он всегда так делал. Начинал с того что брал с двух клиентов деньги за полные рабочие дни, а работал только наполовину. Это просто новый виток жульничества, суть не изменилась)

[George Ymydykov @ymgeorge]

@Veldrin92 Я уже подумал про многопоточность 😄

[George Ymydykov @ymgeorge]

Это круто!

[Ладно, я Арчет @sir_Archet]

Я тут попросил Openchat AI объяснить мне суть теоремы Пифагора как Рик объяснял бы её Морти, и вот думаю теперь, а не переводить ли так учебник по геометрии целиком? Вышло следующее:

Морти, сядь и втыкай. Это важно. Теорема Пифагора, это ключ ко Вселенной, мой мальчик!
VVV

[George Ymydykov @ymgeorge]

@Marina_zait Ты делала МРТ позвоночника?