Message: Return type of CI_Session_null_driver::open($save_path, $name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Message: Return type of CI_Session_null_driver::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Message: Return type of CI_Session_null_driver::read($session_id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Message: Return type of CI_Session_null_driver::write($session_id, $session_data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Message: Return type of CI_Session_null_driver::destroy($session_id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Message: Return type of CI_Session_null_driver::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Grant Sanderson (@3blue1brown) is the founder of the math outreach and education YouTube channel 3blue1brown, which has over two million subscribers and over 85 million total views. He’s collaborated with many other online educators, such as MinutePhysics, Smarter Every day, Ben Eater and more. The topics covered on the channel range from pure math, like prime numbers and strange occurrences of pi, to more applied topics, like neural networks, physics, and how cryptocurrencies work, and from topics commonly seen in school, like calculus, to ones outside a traditional curriculum, like fractal dimension. Grant Sanderson (@3blue1brown) is the founder of the math outreach and education YouTube channel 3blue1brown, which has over two million subscribers and over 85 million total views. He’s collaborated with many other online educators, such as MinutePhysics, Smarter Every day, Ben Eater and more. The topics covered on the channel range from pure math, like prime numbers and strange occurrences of pi, to more applied topics, like neural networks, physics, and how cryptocurrencies work, and from topics commonly seen in school, like calculus, to ones outside a traditional curriculum, like fractal dimension. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx
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