simme

extension UITabBarController {

    /**
     Show or hide the tab bar.

     - Parameter hidden: `true` if the bar should be hidden.
     - Parameter animated: `true` if the action should be animated.
     - Parameter transitionCoordinator: An optional `UIViewControllerTransitionCoordinator` to perform the animation
        along side with. For example during a push on a `UINavigationController`.
     */

mbalex99

let rx_request = Observable<Value>.create { (observer) -> Disposable in
            let requestReference = Alamofire.request(.POST, url, parameters: payload)
                .responseJSON(completionHandler: { (response) in
                    if let value = response.result.value {
                        observer.onNext(value)
                        observer.onCompleted()
                    }else if let error = response.result.error {
                        observer.onError(error)
                    }
                })