salesforce use case diagram

Ah, this is the book again. It's like there's an interactive diagram, uh ... The order of the message response seems to be different from my program.In fact, the problem is not big, the operation instance, the console runs the file App.js open service:var io=require (' Socket.io '). Listen (8080,{log:false}); Io.sockets.on (' Connection ', function (socket) {Socket.on (' msg ', function (data) {Console.log (data), if (data.state) {if (data.state== ' O

first, and then the three tasks are performed. These three tasks are executed at the same time, not successively, so the print result is "Task 3--> task 2--> Task 1" Step diagram (ii) asynchronous execution + serial queue Implementation code: Asynchronous execution + Serial queue -(void) asyncserial{ //Create a serial queue dispatch_queue_t \ = dispatch_queue_create ("identifier", dispatch_queue_serial); NSLog (@ "-

UI graphic design, such as using Excel row to column to form a two-dimensional table, and then the content area can place some check items.Figure 5:Iv. SummaryThis method in itself is a multi-dimensional application skills, can be used in many scenarios, multi-dimensional events are not only software development of many kinds of events are available, do once can form a template reuse, production efficiency can also.So after reading the rest of their own creative creativity to play, according to

Content model use case design Use case diagrams are used to describe the relationships between roles and use cases or use cases and use cases, highlighting the functions that the syste

Starting from this article, the author will use a virtual example to illustrate the method of acquiring use cases, and how to determine whether the use case acquisition is complete, the granularity of choice is appropriate. In fact, in doing these things, we are doing the first phase of requirement analysis, the busine

, at the critical moment, the socket has nothing to offer us, and the only thing that comes to us is: dozens of socket functions.Reference socket according to official document: http://php.net/manual/zh/book.sockets.phpThe 8 main functions of PHP Socket programming are: socket_create-Create a socket (communication node) role: Create a socket socket, plainly speaking, is a network data stream. Return value: A socket, or FALSE, parameter error issue e_warning warning Socket_create creates