dnp protocol tutorial

Basic tutorial for Android -- 7.6.3 Socket communication based on TCP protocol (2)This section introduces: In the previous section, we introduced some basic concepts and usage of Socket, and then wrote a simple chat room for piggyDemo, I believe you have a preliminary understanding of the Socket. In this section, we will learn how to use the Socket to achieve resumable upload of large files!The following

Detailed tutorial on MySQL master-slave Replication Based on the SSL protocol, When mysql is replicated across the Internet, others can steal the mysql replication information, which is in plain text and therefore insecure. Here, the copied information is encrypted through ssl. When a customer wants to access the server without a fixed ip address, mysql must allow access from any address. The server and cli

Swift development tutorial -- Implementation of UITableView error does not conform to protocol 'uitableviewdatasource ', swiftprotocol Through practice, if we implement all the three protocol methods below, no error will be reported. Also note that! .Func tableView (tableView: UITableView, numberOfRowsInSection section: Int)-> Int { } Func tableView (tableView

Through practice, if the following three protocol methods are implemented, it will not be an error. Also need attention! The problem.func TableView (Tableview:uitableview, Numberofrowsinsection section:int), int{ }func TableView (Tableview:uitableview, Cellforrowatindexpath indexpath:nsindexpath), uitableviewcell{ }func TableView (Tableview:uitableview, Didselectrowatindexpath indexpath:nsindexpath) {Tableview.deselectrowatindexpath (Indexpath, Anim