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AVCaptureMultiCamSession: the real limits, and why the stock Camera app doesn't offer dual recording

Modern iPhones can genuinely run the front and back cameras at the same time. AVCaptureMultiCamSession has been in the SDK since iOS 13 and works on…

ios swift avfoundation metal

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Adding GPU backends to a pure-C TTS engine: Metal, CUDA, and the rented-Mac trick

Part of qwen3-tts — a pure C inference engine for Qwen3-TTS. TL;DR The engine is pure C and CPU by default . We added two opt-in GPU backends that l…

c cuda metal machinelearning

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PSA: The Steam Controller’s magnetic charger can be a fire hazard

Keep the charging puck’s exposed pins far away from anything metal.

Gaming charger controller fire hardware Hazard metal pins Steam Valve