queue的中文译为队列,队列是一种数据结构。C语言中队列的定义及初始化以及一些相关操作实现起来较为繁琐,而C++的queue让这些都变得简便易实现。因为C++中有着许多关于queue的方法函数。 队列(queue)最大的特点就是先进先出。就是说先放入queue容器的元素一定是要先出队列之后,比它后进入队列的元素才能够出队列。
C-C++ Code Example: Creating a Queue C-C++ Code Example: Sending a Message Using an MS DTC External Transaction C-C++ Code Example: Acknowledgment Class Filter C-C++ Code Example: Returning Response Messages C-C++ Code Example: Retrieving PROPID_Q_MODIFY_TIME C-C++ Code Example: Setting PROPI...
The following example shows how to useAddJob(String)to read a file into aBytearray and send the array to a print queue. This code assumes that there is a file called test.txt in the root of the C: drive. This code only works with printers that can detect and print plain text. Some...
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Switch(config-pmap-c)#queue-buffers ratio 100<--- Assign all buffers to this queue only The configuration in the previous example takes these actions:: Thepriority level 1tells the system to perform a strict schedule for this queue / class, and allocate hard buffer to...
The following code example contains no version-specific Message Queuing calls. 复制 HRESULT CreateXactQueue( WCHAR *wszPathName ) { HRESULT hr = S_OK; // Validate the input string. if (wszPathName == NULL) { return MQ_ERROR_INVALID_PARAMETER; } try { IMSMQQueueInfoPtr pInfo("MSMQ.MSMQ...
编译器确定循环的每次迭代都是独立的之后,下一步就是尝试对结果进行向量化/矢量化( vectorize the result),因为相比于标量代码(scalar code),现代处理器的矢量代码 (vector code )可以取得四倍到八倍的性能。为这种处理器设计的低层语言(low-level language)能够支持任意长度的原生矢量类型。LLVM IR(intermediate rep...
Return the handle to the queue specified in the phQueue parameter of the MQOpenQueue function. If MQOpenQueue fails, Message Queuing returns a NULL pointer. Code Example The following code example contains no version-specific Message Queuing calls. 复制 HRESULT OpenMyQueue( DWORD dwAccess, DWOR...