A previous article, "Plugging memory leaks with weak references," offers some helpful techniques.
以前的一篇文章“用弱引用堵住内存泄漏”给出了一些有用的技巧。
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Plugging up the leaks that allow cold air to slip into your house—and drive up your heating bills—is an important first step in creating an energy-efficient home.
Robotic systems are being tested which can detect and repair leaks by sensing pressure changes around them and plugging holes while pipes are still in use.