RestKit 0.20.0pre5: HTTP headers per request
问题 i want to send an If-Modified-Since http header with a GET request, issued by [RKObjectManager getObjectsAtPath:...] . the migration guide tells that i can set only "global" default request headers for an RKObjectManager instance: RKObjectManager* objectManager = [RKObjectManager managerWithBaseURLString:url]; [objectManager.HTTPClient setDefaultHeader:@"If-Modified-Since" value:@"Sat, 29 Dec 2012 19:43:31 GMT"]; since i want to keep a centralized RKObjetManager instance (via [RKObjectManager