Web streams use a locking model to prevent multiple consumers from interleaving reads. When you call getReader(), the stream becomes locked. While locked, nothing else can read from the stream directly, pipe it, or even cancel it — only the code that is actually holding the reader can.
Unlike the Flip, the Go lacks creative modes and more advanced features. Instead, it’s just a simple point-and-shoot camera, just like the Mini 12, which makes it a little easier to use. There’s no Bluetooth or companion app for added effects; however, the camera does include a self-timer and a larger selfie mirror. The smaller prints may disappoint those who prefer traditional Polaroid sizes, though, and its modern design lacks the retro charm of older models. But classic Polaroid cameras didn’t come with an app, either, and the Go’s simplicity makes it an a easy-to-use option that delivers a traditional instant film experience at less than half the price of the Flip.
，更多细节参见雷电模拟器官方版本下载
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