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Изходен канал @clockstackwheels · Post #266 · 21.03

Много лет назад я делал игру ВКонтакте про домики. Одно общее изометрическое поле, где у каждого свой участок, на котором можно строить дом, выбирать его размеры, материалы, форму окон и крыши. И обставлять мебелью. Поле было квадратным 100 на 100, соответственно у каждого квартала был номер по одной оси X от 0 до 99 и по другой Y от 0 до 99. По какой-то причине мне тогда нужно было сохранить это в одном числе как идентификатор квартала, и я подумал, что изобрёл гениальный способ: A = X*100 + Y. Извлечь обратно тоже было легко: поделить A на 100 и округлить вниз, это получался X. А потом Y = A - X*100. Например, квартал с координатами 13-29, собственно, так и записывался: 1329. Важно, что это математические операции, а не строковые. Они и сами по себе быстрее выполняются программой, и позволяют, например, удобно отсортировать участки. Я считал себя очень умным, не зная тогда, что по сути изобрёл системы исчисления, и вообще подобный подход очень банален и прост. Мы куда чаще видим это в битовых масках, потому что и сама задача для двузначных свойств возникает чаще, и компьютер существенно быстрее работает с битами, но от того, какая там база системы исчисления, математический смысл не меняется. Если тебе надо записать в одно число несколько свойств, каждое из которых может быть в N значениях, то в это число должно влезать N*N*N... сколько там у тебя этих свойств. Ты пишешь первое свойство n1, потом прибавляешь n2*N, потом n3*N*N и так далее. Величины существуют в разных разрядах N-ричной системы исчисления, поэтому не пересекаются, и их можно разделить. Игра, кстати, поначалу хорошо набирала пользователей, а потом перестала. Я думал, что она не интересная, и закрыл проект. А сильно позже уже выяснилось, что был баг в коде регистрации игрока, из-за чего новые приходить не смогли начиная с какого-то момента. В том самом коде, который извлекал координаты квартала из его идентификатора, да. #dev

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Намерени 6 подобни публикации

Търсене: #spyware

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Libreware

@libreware · Post #1524 · 23.01.2026 г., 15:09

Nora-Desktop Facebook, Instagram, Reddit, Threads and X in a single app. No ads. Features a deck view to easily browse multiple timelines. Linux, Android, macOS, Windows versions are available. (GNU GPL3) Features 1. No ads 2. Download image 3. Download fb/ig/x video 4. Select text 5. Zoom 6. Remove tracking url query params Supported SNS (Social-Networking-Sites) 1. Bluesky 2. Facebook 2. Instagram 4. LinkedIn 5. Reddit 4. Threads 5. TikTok 6. Tumblr 7. VK 8. X (Twitter) How it works Wrap the SNS websites in Android webview Inject code to block ads Get it on GITHUB : https://github.com/nonbili/Nora-Desktop Get it on F-DROID (main repo) - https://f-droid.org/packages/jp.nonbili.nora/ Also available on gulag store Disclaimer : we don't promote any of those zionist occupied censored websites and apps and are firmly against using them as they are nothing but #spyware designed to make people dumb

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Libreware

@libreware · Post #884 · 28.12.2020 г., 14:30

Windows reference manual If you suddenly find you have Windows on your hard drive: - dd if=/dev/zero of=/dev/[drive] - burning causes pollution so just call an exorcist General: - https://rentry.co/fwt - https://t.me/NoGoolag/2549 - https://tb.rg-adguard.net/public.php - https://github.com/jebofponderworthy/windows-tools - https://github.com/massgravel/Microsoft-Activation-Scripts App managers: - https://chocolatey.org - https://scoop.sh - https://store.rg-adguard.net Telemetry: -https://docs.microsoft.com/en-us/windows/privacy/manage-connections-from-windows-operating-system-components-to-microsoft-services - https://docs.microsoft.com/en-us/windows/privacy/configure-windows-diagnostic-data-in-your-organization - https://github.com/mirinsoft/debotnet - https://github.com/Sycnex/Windows10Debloater Security reference: - https://docs.microsoft.com/en-us/windows/security - Use Enterprise edition. It has a lot more security features. - Use Virtualization Based Security to stop stuff like mimikatz or capcom.sys - https://github.com/beerisgood/Windows10_Hardening - https://www.microsoft.com/security/blog/2020/03/17/secured-core-pcs-a-brief-showcase-of-chip-to-cloud-security-against-kernel-attacks/ - https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-application-control/applocker/using-software-restriction-policies-and-applocker-policies - https://docs.microsoft.com/en-us/windows/security/information-protection/bitlocker/bitlocker-group-policy-settings#a-href-idbkmk-unlockpol1arequire-additional-authentication-at-startup - https://docs.microsoft.com/en-us/windows/security/threat-protection/microsoft-defender-atp/controlled-folders -https://docs.microsoft.com/en-us/windows/security/threat-protection/microsoft-defender-application-guard/md-app-guard-overview - User accounts is part of the windows security model, its better to use an admin account only when you need it rather than 24/7 #windows#spyware

The Hacker News

@thehackernews · Post #8723 · 02.04.2026 г., 09:53

🛑 WhatsApp alerted ~200 users targeted by a fake iOS app carrying #spyware, mostly in Italy. The attack used social engineering to mimic #WhatsApp. Meta is acting against an Italian firm linked to the spyware. 🔗 Read details here → https://thehackernews.com/2026/04/whatsapp-alerts-200-users-after-fake.html

Medet Turin 🫆

@allsafekz · Post #731 · 20.05.2025 г., 09:37

https://lnkd.in/e25HNh7A Alhamdulillah, I finished writing this book in few days. I wrote this book to help my friends: Nurkhankyzy Aiya, Acute myeloid leukemia (AML). and all those children who are fighting for their lives. Why is the book called that? AIYA MMD - means Attack and Introduction or (Android and IOS), start Your Adventure in Mobile Malware Development. also AIYA means AIYA Nurkhankyzy. I will be very happy if this book helps at least one person to gain knowledge and learn the science of cybersecurity. The book is mostly practice oriented. Of course the book is not as big as my previous works, this is because firstly I needed to urgently start a fundraising campaign for the Aiya and secondly many things remain confidential (NDA) Mobile malware - it's a constantly evolving battlefield. What you learned here is just the beginning. Tools change, defenses adapt, but the mindset stays the same: think like the adversary to build stronger defenses. This book is dedicated to my wife, Laura, and my children, Yerzhan and Munira. I would like to express my deep gratitude to my friends and colleagues. Special thanks to #Russian#hacking#community, Medet Turin 2600.kz, BlackIce #hackerspace from Almaty (Kazakhstan) and my friends from Middle East countries: Kingdom of Bahrain, Kingdom of Saudi Arabia, UAE. All examples are practical cases for educational and research purposes only. Book design by: Muhammad Patel twitter: https://x.com/cocomelonckz/status/1924724518951457229 #hacking#mobile#malware#research#book#programming#android#ios#rat#spyware

Чёрный Лёд

@blackicehackerspace · Post #107 · 20.05.2025 г., 09:38

https://lnkd.in/e25HNh7A Alhamdulillah, I finished writing this book in few days. I wrote this book to help my friends: Nurkhankyzy Aiya, Acute myeloid leukemia (AML). and all those children who are fighting for their lives. Why is the book called that? AIYA MMD - means Attack and Introduction or (Android and IOS), start Your Adventure in Mobile Malware Development. also AIYA means AIYA Nurkhankyzy. I will be very happy if this book helps at least one person to gain knowledge and learn the science of cybersecurity. The book is mostly practice oriented. Of course the book is not as big as my previous works, this is because firstly I needed to urgently start a fundraising campaign for the Aiya and secondly many things remain confidential (NDA) Mobile malware - it's a constantly evolving battlefield. What you learned here is just the beginning. Tools change, defenses adapt, but the mindset stays the same: think like the adversary to build stronger defenses. This book is dedicated to my wife, Laura, and my children, Yerzhan and Munira. I would like to express my deep gratitude to my friends and colleagues. Special thanks to #Russian#hacking#community, Medet Turin 2600.kz, BlackIce #hackerspace from Almaty (Kazakhstan) and my friends from Middle East countries: Kingdom of Bahrain, Kingdom of Saudi Arabia, UAE. All examples are practical cases for educational and research purposes only. Book design by: Muhammad Patel twitter: https://x.com/cocomelonckz/status/1924724518951457229 #hacking#mobile#malware#research#book#programming#android#ios#rat#spyware