它做了不必要的检查 wpPtr.expired() 在取消引用之前缺少必要的检查 if (spFoo) spFoo 第一个变体是事务性的,当您最终需要使用弱指针引用的对象时使用它。 原文由 bobah 发布,翻译遵循 CC BY-SA 3.0 许可协议 有用 回复 查看全部 2 个回答
swap():交换两个智能指针所管理的资源。 expired():检查weak_ptr所指向的资源是否有效,返回true的时候,垃圾回收进程就会清除该指针所指向的内存资源。 use_count():返回智能指针所指向shared_ptr的数量。 lock():获取weak_ptr所指向的shared_ptr实例。 用法说明: weak_ptr不占有内存资源,但是可以指向由shared_ptr...
C) explored D) expired 青云英语翻译 请在下面的文本框内输入文字,然后点击开始翻译按钮进行翻译,如果您看不到结果,请重新翻译! 翻译结果1翻译结果2翻译结果3翻译结果4翻译结果5 翻译结果1复制译文编辑译文朗读译文返回顶部 三)探索ð)过期 翻译结果2复制译文编辑译文朗读译文返回顶部...
C) explored D) expired 青云英语翻译 请在下面的文本框内输入文字,然后点击开始翻译按钮进行翻译,如果您看不到结果,请重新翻译! 翻译结果1翻译结果2翻译结果3翻译结果4翻译结果5 翻译结果1复制译文编辑译文朗读译文返回顶部 三)探索ð)过期 翻译结果2复制译文编辑译文朗读译文返回顶部...
A、expired B、extended C、executed D、exaggerated相关知识点: 试题来源: 解析 B [A] expire vt. 到期 [B] extend vt. 延长 [C] execute vt. 实行 [D] exaggerate vt. 夸张 【句意】他们已经将最后期限延长了24小时。 故正确答案为[B]。 【真题例句】We must face up to the fact that the existi...
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hwPKICACertNearlyExpired hwPKICACertIssuer: indicates the issuer of a CA certificate. hwPKICACertSubject: indicates the subject of a CA certificate. hwPKICACertStartTime: indicates the time when a CA certificate starts to take effect. hwPKICACertFinishTime: indicates the expiration time of a CA...
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SSL certificate expired. Parameters Parameter NameParameter Meaning CertFileName The name of the certificate. CertType The type of the certificate. CertValidityPeriod The period of the certificate validity. CurrentSystemTime The current time. Possible Causes Cause 1: The current system time is...
(CSRF).oAuthWebAuthCodeGrant.State = ClientState;// When calling Bing Ads API service operations with ServiceClient or BulkServiceManager, each will refresh your access token// automatically if they detect the AuthenticationTokenExpired (109) error code.// As a best practice you should alwa...