上次是因为升级组件的时候失败了,所以做了一次还原,结果还原以后再去升级组件的时候报错:queue is not empty,于是尝试了去extraction里面reset status,不管用! 也是用了queue delete的function去删除,还是不管用! 最后直接到系统里面把/usr/sap/trans/buffer里面的所有文件一律删除了,再用SPAM去升级的时候就没问题了。
The messages may not be visible to you due to the following reason: "When a message is retrieved from the queue, the response includes the message and a pop receipt value, which is required to delete the message. The message is not automatically deleted from the queue, but after it has...
一开始,由于队列是空的,所以输出 “Queue is empty.”,然后在入队一个元素后,输出 “Queue is not empty.”。 关键点解释: Count属性用于获取队列中的元素数量。 判断队列是否为空可以通过检查Count是否等于0来实现。 队列为空时,通常表示没有待处理的元素。 2.3 清空队列 在C#中,可以使用Clear方法来清空队列中...
<< endl; else cout << "The queue q2 is not empty." << endl; } Output Copie The queue q1 is not empty. The queue q2 is empty. frontRetourne une référence au premier élément à l’avant de l’objet queue.C++ Copie reference front(); const_reference front() const; Valeur...
The queue q1 is not empty. The queue q2 is empty. front Returns a reference to the first element at the front of the queue. C++ Copy reference front(); const_reference front() const; Return Value The first element of the queue. If the queue is empty, the return value is undefin...
() << endl;// 检查队列是否为空if (q.empty()){cout << "Stack is empty" << endl;}else{cout << "queue is not empty" << endl;}// 获取队列的大小cout << "queue size is " << q.size() << endl;//输出队列元素while (!q.empty()){cout << q.front() << " ";q.pop();}...
1.Lambda expressions are not allowed in unevaluated contexts (such as decltype) before C++20. 2.Closure types are not default constructible before C++20. In C++20 a closure type that has no capture is default constructible. 解决之道
If the queue is not empty, then there will be a DocumentContext available for reading: // this will be true if there is at least one message in the queue boolean messageAvailable = tailer.toEnd().direction(TailerDirection.BACKWARD). readingDocument().isPresent(); Restartable tailers AKA ...
The priority_queue q1 is not empty. The priority_queue s2 is empty. priority_queue::pop Removes the largest element of the priority_queue from the top position. C++ Copy void pop(); Remarks The priority_queue must be nonempty to apply the member function. The top of the priority_que...
ACCOUNT_IS_DISABLED public static final QueueErrorCode ACCOUNT_IS_DISABLED Static value AccountIsDisabled for QueueErrorCode.AUTHENTICATION_FAILED public static final QueueErrorCode AUTHENTICATION_FAILED Static value AuthenticationFailed for QueueErrorCode....