MSMQ (MicroSoft Message Queue), Microsoft Message Queue) is an asynchronous transmission mode that implements mutual communication between multiple different applications. Applications that communicate with each other can be distributed on the same machine or on connected servers. anywhere in cyberspace. Its implementation principle is: the sender of the message puts the information he wants to send into a container (we call it Message), and then saves it to a message queue (Message Queue) in the system's public space; locally or The remote message receiving program then takes out the message sent to it from the queue for processing. In the message passing mechanism, there are two important concepts. One is a message and the other is a queue. Message is the information that needs to be transmitted by both parties in the communication. It can be in various media, such as text, sound, image, etc. The final understanding method of the message must be agreed upon in advance by both parties delivering the message. The advantages of this are that, firstly, it is equivalent to simply encrypting the data, and secondly, using a self-defined format can save the amount of communication. The message can contain the identification of the sender and receiver, so that only the specified user can see the message delivered only to him.
Introduction: MSMQ (MicroSoft Message Queue), Microsoft Message Queue) is an asynchronous communication between multiple different applications. Transport mode, applications that communicate with each other can be distributed on the same machine or anywhere in a connected network space. Its implementation principle is: the sender of the message puts the information he wants to send into a container (we call it Message), and then saves it
2. Introduction to Message Queue and its use
##Introduction: Using MSMQ (Microsoft Message Queue) , application developers can easily communicate with applications quickly and reliably by sending and receiving messages. Message processing provides you with guaranteed message delivery and a reliable, fail-safe way to perform many business processes. MSMQ, like XML Web Services and .Net Remoting, is a distributed development technology. But when using XML Web Services or .Net Remoting components, Client..."
3. Usage examples of message queue MSMQ
Introduction: Usage examples of message queue MSMQ
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The char array stores character sequences in C language and is declared as char array_name[size]. The access element is passed through the subscript operator, and the element ends with the null terminator '\0', which represents the end point of the string. The C language provides a variety of string manipulation functions, such as strlen(), strcpy(), strcat() and strcmp().

In C language, special characters are processed through escape sequences, such as: \n represents line breaks. \t means tab character. Use escape sequences or character constants to represent special characters, such as char c = '\n'. Note that the backslash needs to be escaped twice. Different platforms and compilers may have different escape sequences, please consult the documentation.

In C, the char type is used in strings: 1. Store a single character; 2. Use an array to represent a string and end with a null terminator; 3. Operate through a string operation function; 4. Read or output a string from the keyboard.

The usage methods of symbols in C language cover arithmetic, assignment, conditions, logic, bit operators, etc. Arithmetic operators are used for basic mathematical operations, assignment operators are used for assignment and addition, subtraction, multiplication and division assignment, condition operators are used for different operations according to conditions, logical operators are used for logical operations, bit operators are used for bit-level operations, and special constants are used to represent null pointers, end-of-file markers, and non-numeric values.

The difference between multithreading and asynchronous is that multithreading executes multiple threads at the same time, while asynchronously performs operations without blocking the current thread. Multithreading is used for compute-intensive tasks, while asynchronously is used for user interaction. The advantage of multi-threading is to improve computing performance, while the advantage of asynchronous is to not block UI threads. Choosing multithreading or asynchronous depends on the nature of the task: Computation-intensive tasks use multithreading, tasks that interact with external resources and need to keep UI responsiveness use asynchronous.

In C language, char type conversion can be directly converted to another type by: casting: using casting characters. Automatic type conversion: When one type of data can accommodate another type of value, the compiler automatically converts it.

There is no built-in sum function in C language, so it needs to be written by yourself. Sum can be achieved by traversing the array and accumulating elements: Loop version: Sum is calculated using for loop and array length. Pointer version: Use pointers to point to array elements, and efficient summing is achieved through self-increment pointers. Dynamically allocate array version: Dynamically allocate arrays and manage memory yourself, ensuring that allocated memory is freed to prevent memory leaks.

A strategy to avoid errors caused by default in C switch statements: use enums instead of constants, limiting the value of the case statement to a valid member of the enum. Use fallthrough in the last case statement to let the program continue to execute the following code. For switch statements without fallthrough, always add a default statement for error handling or provide default behavior.


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