What do pty and tty mean?

tty originally meant “teletype” and “pty” means “pseudo-teletype”. In UNIX, /dev/tty* is any device that acts like a “teletype”, i.e: a terminal. (Called teletype because that’s what we had for terminals in those benighted days.) A pty is a pseudotty, a device entry that acts like a terminal to the process reading and writing there, … Read more

What is the difference between active and passive FTP?

Active and passive are the two modes that FTP can run in. For background, FTP actually uses two channels between client and server, the command and data channels, which are actually separate TCP connections. The command channel is for commands and responses while the data channel is for actually transferring files. This separation of command … Read more

Best architectural approaches for building iOS networking applications (REST clients) [closed]

I want to understand basic, abstract and correct architectural approach for networking applications in iOS There is no “the best”, or “the most correct” approach for building an application architecture. It is a very creative job. You should always choose the most straightforward and extensible architecture, which will be clear for any developer, who begin … Read more

Get local IP address

To get local Ip Address: public static string GetLocalIPAddress() { var host = Dns.GetHostEntry(Dns.GetHostName()); foreach (var ip in host.AddressList) { if (ip.AddressFamily == AddressFamily.InterNetwork) { return ip.ToString(); } } throw new Exception(“No network adapters with an IPv4 address in the system!”); } To check if you’re connected or not: System.Net.NetworkInformation.NetworkInterface.GetIsNetworkAvailable();

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)