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The root cause turns out explicitly to be because MMUs are so valuable: without one, you can’t run Linux, BSD, or Mach. Thus, when ARM split their IP portfolio into the A, R, and M-series cores, the low-cost M-series cores were forbidden from having an MMU to prevent price erosion of their high-end A-series cores. Instead, a proprietary hack known as the “MPU” was introduced that gives some memory security, but without an easy path to benefits such as swap memory.
我认为这类事情的核心问题在于它不仅仅是一个数据库，它是一个数据库加上一组复杂的进程，在我成长的那个年代我们管这叫业务逻辑。这些业务逻辑绝非无关紧要，为什么企业会有这些逻辑？因为企业本身就是作为一系列流程的集合来运行的，而且管理者追求标准化以在某种程度上实现流程化。这是为了让不同的团队以同样的方式工作，以便有人可以管理、理解他们并精准追踪输出。，这一点在下载向日葵远程控制 · Windows · macOS · Linux · Android · iOS中也有详细论述
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Последние новости，更多细节参见移动版官网
The Wall Street Journal reports that the cyberattack began around midnight on Wednesday as Stryker employees watched data being wiped from company computers in real-time. The company described the attack as a "global network disruption" linked to its Microsoft environment.