How to remove all .svn folder from source code in Linux / Mac?

Cited from: http://www.techiecorner.com/154/how-to-remove-all-svn-folder-in-linux-mac/

find ./ -name “.svn” | xargs rm -Rf

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How to retrieve ip address of iphone programmatically

Cited From: http://zachwaugh.com/2009/03/programmatically-retrieving-ip-address-of-iphone/

#include <ifaddrs.h>
#include <arpa/inet.h>

– (NSString *)getIPAddress
{
  NSString *address = @”error”;
  struct ifaddrs *interfaces = NULL;
  struct ifaddrs *temp_addr = NULL;
  int success = 0;

  // retrieve the current interfaces – returns 0 on success
  success = getifaddrs(&interfaces);
  if (success == 0)
  {
    // Loop through linked list of interfaces
    temp_addr = interfaces;
    while(temp_addr != NULL)
    {
      if(temp_addr->ifa_addr->sa_family == AF_INET)
      {
        // Check if interface is en0 which is the wifi connection on the iPhone
        if([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@”en0″])
        {
          // Get NSString from C String
          address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)];
        }
      }

      temp_addr = temp_addr->ifa_next;
    }
  }

  // Free memory
  freeifaddrs(interfaces);

  return address;
}

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