刘年丰：最本质的原因就是因为，我们现在具身模型主流使用的VLA，是沿袭的动态模型沿袭了大语言模型——对整张图片做全局信息映射。
As of Feb. 27, the Anker Solix C800x portable power station is down to just $379.99 at Amazon. That's $269 cheaper than usual and almost down to its record low, making it an excellent time to grab it.
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The spatial view (the grid of rectangles) and the tree view (the hierarchy of nodes) represent the same structure. Searching for a point means walking down the tree: at each node, you check which of the four children contains your target coordinate and recurse into that child. You never visit the other three.
Over the past year or two, I’ve seen many organizations, large and small, implement passkeys (which is great, thank you!) and use the PRF (Pseudo-Random Function) extension to derive keys to protect user data, typically to support end-to-end encryption (including backups).
目前来看，巨头们已经发动攻击，一是以OpenAI 为代表的AI“新贵”，秘密推进一系列原生AI硬件设备的研发；根据最新消息，OpenAI计划在2027年推出其首款配备摄像头的人工智能(AI)音箱，并同时布局智能眼镜、智能台灯等硬件产品。