how to use nfc to transfer files

(int fd_s, int fd_d){Char file_data_s[1024*3];Char file_data_d[1024];int I, Read_len, Write_len;while ((Read_len=read (fd_s, file_data_s, sizeof (file_data_s))) >0){for (i = 0; i {FILE_DATA_S[I+2] = 0;File_data_d[i/3]=strtol (file_data_s + i, NULL, 16);}Write_len=write (Fd_d, File_data_d, READ_LEN/3);if (write_lenErrquit ("Write Dest file failed");}if (read_lenErrquit ("read src file failed");}Char *src_file;Char *output_file;Char *trans_type;void Parse_args (int argc, char *argv[]){int opt;whi

The socket recommended Maximum transmission unit is 8,192 characters, but if more than 8192 will cause problems, we can use the following methods to deal withClient codeImport Subprocessimport Socketip_bind = ("127.0.0.1", 9000) client = Socket.socket () client.connect (ip_bind) L1 = []while True: option = input ("client:") Client.sendall (bytes (option,encoding= "Utf-8")) server_data_size = Client.recv Print (server_data_size) a = str

1, by remote connection to this server, and then the local to the server can directly paste the copy file upBack to Top2, can not paste copy, we have the second method:①, windows+r, input mstsc②, click the "Options" button to open the Remote Connection tabSelect local resources, click DetailsOpen the drive and select the letter you want to shareThen click OK, connect to the remote server, open the File Manager, you will see the shared drive letter, and then copy the file directly to it.Back to T

In the process of helping customers maintain the site environment, often need to back up the original data, the faster way is directly through SSH transfer files to other FTP space, note the method steps: Suppose the directory to be backed up is/home/wwwroot/aaa/, and the IP for the remote FTP space is 55.44.33.22 1. Access to the/home/wwwroot/directory Cd/home/wwwroot 2. Then compress the AAA directory

Specify the remote directory and the file nameExample:# scp/doiido/hello.sh [Email Protected]:/doiido# scp/doiido/hello.sh [Email protected]:/doiido/newhello.sh# scp/doiido/hello.sh 192.168.100.2:/doiido# scp/doiido/hello.sh 192.168.100.2:/doiido/newhello.sh2, will remote replication to localfrom remote Copy to local, as long as the copy from the local to the remote command of the following 2 parameter swap order, as the syntax, here is only a list of examples;# SCP [Email protected]:/doiido/do

There are usually 4 ways to copy files between different Linux1.ftp2.samba Service3.sftp4.scp The above three methods, are more cumbersome, here do not repeat. The simplest approach is the SCP, which can be understood as the CP command under the SSH pipeline. Copy the current file to a remote server: Scp/home/a.txt Root@192.168.0.8:/home/root You will then be prompted to enter the root password for 192.168.0.8, and then the replication

Attention: 1. The use of this feature must be two mobile phones to support NFC features. 2. Samsung mobile phone must use the original battery. 1. Under Standby Desktop, click "Application", Click "Set". 2. Click on "NFC", click "S Beam", "green bar" means open. ( the phone that you receive also needs to turn o