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GCC folds x/x to 1 on division by zero

https://sudonull.com/gcc-folds-x-x-to-1-on-division-by-zero

Analysis of why GCC optimizes x/x to 1 even when x=0. UB, volatile, comparison with MSVC. For C++ developers: how to avoid and test.

Solod: Go without GC with compilation to C

https://sudonull.com/solod-go-without-gc-with-compilation-to-c

Solod is a subset of Go with manual memory management, compiles to C11. Benchmarks, features, integration with C. Ideal for systems programming. Learn more.

GPT-5.4 Pro: counterexample to GCI for non-centered measures

https://sudonull.com/gpt-5-4-pro-counterexample-to-gci-for-non-centered-measures

GPT-5.4 Pro disproved the hypothesis of the Gaussian correlation inequality for shifted Gaussian measures. Counterexample in 2D with strips, generalization to n≥2. Solution details on solveall.org. Study for AI in mathematics.

CMake for STM32F407: building with GCC on Windows

https://sudonull.com/cmake-for-stm32f407-building-with-gcc-on-windows

Set up cross-platform firmware build for STM32F407VE with CMake and ARM GCC. Migration from GNU Make, compiler flags, config.cmake. Instructions for middle/senior dev.

Python crypto for USB: SecureBytes and streaming encryption

https://sudonull.com/python-crypto-for-usb-securebytes-and-streaming-encryption

Implementation of secure flash drive encryption in Python: SecureBytes against GC leaks, nonce derivation, fault tolerance. Code and mechanisms for developers. Explore the details.

From other projects

New military-political blocs in the Persian Gulf: division and risks

https://ymaho.com/new-military-political-blocs-in-the-persian-gulf-division-and-risks

Analysis of the formation of the UAE+Israel bloc and the 'Sunni Quartet' against the backdrop of the war with Iran. Consequences for GCC markets, investors, and global security. Read.

IMF downgrades Middle East forecast to 1.5% due to conflict

https://ymaho.com/imf-downgrades-middle-east-forecast-to-1-5-due-to-conflict

IMF lowers Middle East growth forecast to 1.5% due to conflict in the Persian Gulf. Real losses, hidden risks, and consequences for GCC economies. Learn more.

Rift in the Gulf: Saudi Arabia and Qatar Refused the UAE in War with Iran

https://ymaho.com/rift-in-the-gulf-saudi-arabia-and-qatar-refused-the-uae-in-war-with-iran

Why Riyadh and Doha Answered 'This Is Not Our War' to the Request of the UAE and the USA. Analysis of the Consequences of the Collapse of the Gulf Security Architecture and Forecast for the Oil Market.

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