...”,当目标对象遭到摧毁时,属性值不会自动清空(autonilling),从而造成悬垂指针。这时,再次访问此属性就是不安全的(unsafe),因为不能够确定引用的内存是否已经回收。 区别 weak 是随着 iOS5 引入 ARC 时加入的新特性。
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) : uncertain;insecure;risky不稳定的;不安全的;危险的 eczematous (adj.) : of itching skin disease湿疹的 .
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不安全的集血系统 unsafe blood collection system
不安全的存储 Insecure Storage
不安全的配置管理 Insecure Configuration Management
不安全的对象引用 Unsecure object using
不安全的通信 Insecure Communications
不安全的密码存储 Insecure Cryptographic Storage
将不安全的像素透明 key out unsafe
不安全的直接对象引用 Insecure Direct Object Reference ; IDOR
不安全的目录权限 Unsecure directory permissions
不安全的电脑系统给罪犯提供了可乘之机。
原来,老鼠饿了的时候,它们会冒险到不安全的地方寻找食物。
It turned out that, when the mice were hungry, they ventured into the unsafe areas for food.
如今所缺少的是青少年对自我管理的渴望和他们对这个不安全的世界的理解所产生的矛盾。
What is lacking today is the conflict between adolescent's desire for autonomy and their understanding of an unsafe world.
Here, war refuses to let the dead lie in peace, with the notion that not even the dead are safe from it, unaffected by it.
在这里战争拒绝让死者安静的躺着,有一种信念认为即使是死者是安全的,不受其影响的。
Maybe you'll now believe Hobbes if you don't believe me. So the state of nature, it's a state of insecurity, it's a state of conflict.
如果你不相信我的话,你也不一定相信霍布斯,所以自然状态,是一种不安全的状态,是一种矛盾的状态。
Anyway, your loan-to-value ratio is getting pretty precarious because your house is now down 30% in value; your loan-to-value ratio, if we were to give you $5,000, would be something like 90%.
你的贷款价值比变得很不安全,因为你的房子已经贬值30%,如果我们借给你5000美金,你的贷款价值比率在90%左右
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