Add basic auth credential for a NSURLConnection.

basic_auth_snippet.m

    NSURLCredentialStorage *sharedCredentials = [NSURLCredentialStorage sharedCredentialStorage];
    NSURLCredential *credential = [NSURLCredential credentialWithUser:@"user" password:@"pwd" persistence:NSURLCredentialPersistencePermanent];
    NSURLProtectionSpace *protectionSpace = [[[NSURLProtectionSpace alloc] initWithHost:@"my.gtdify.com" port:80 protocol:@"http" realm:nil authenticationMethod:NSURLAuthenticationMethodHTTPBasic] autorelease];
    [sharedCredentials setCredential:credential forProtectionSpace:protectionSpace];