nunogoncalves

it 'sends email to admin with error response' do
  VCR.use_cassette('external_service_response_cassette/invalid_requests', record: :new_episodes) do

    Hash.any_instance.stub(:value_from_params).and_raise(ExceptionType, "Failed to find key in params")
    
    params1 = 'AdminMailer'
    params2 = 'errors'
    params3 = 'Error message: There has been an error'
    SendEmailWorker.should_receive(:perform_async).with(params1, params2, params3).exactly(1).times

nunogoncalves

//Set a NSTimer to update call this function every n seconds to provide desired effect.

var numberOfDots = 3
func applySearchingEffect() {
    if let str = label.text {
        let range = NSMakeRange(str.length - numberOfDots, numberOfDots)
        var string = NSMutableAttributedString(string: str)
        string.addAttribute(NSForegroundColorAttributeName, value: UIColor.clearColor(), range: range)
        
        label.attributedText = string

nunogoncalves

//: Playground - noun: a place where people can play

import UIKit

class LoginView {
    
    var loginSuccessCallback: ((Int)->Void)?
    
    init() {
        println("login: - hello")

nunogoncalves

json = JSON.parse(`plutil -convert json -o - "#{filename}"`)

nunogoncalves

$ = jQuery;

var indexToDelete = 0;
var numOfLinksToDelete = 200;
var waitUntilNextLinkInMs = 1000;
var waitForModalInMs = 50;

var confirmDelete = function() {
    setTimeout(function() {
      var $confirmationButtonInModal = $(".button-primary");

nunogoncalves

import Foundation

protocol Getter {
    typealias Element
    func getUrl() -> String
    func getDataFrom(dictionary: NSDictionary) -> Element
    func get(success success: Element -> (), failure: () -> ())
}

extension Getter { //Add default behaviour to Getter protocol. This behaviour depends on implementation of other protocol methods.

nunogoncalves

import Foundation

protocol Getter {
    typealias Element
    
    func getUrl() -> String
    
    func getDataFrom(dictionary: NSDictionary) -> Element
    
    func get(success success: Element -> (), failure: NetworkStatus -> ())

nunogoncalves

struct Languages {
    
    class Get: Getter {
        
        func getUrl() -> String {
            return "http://some_languages_website.com"
        }
        
        func getDataFrom(dictionary: NSDictionary) -> [Language] {
            return extractLanguagesFrom(dictionary)

nunogoncalves

struct Languages {
    
    func get(success success: [Language] -> (),
             failure: NetworkStatus -> ()) {
             
        let qos = Int(QOS_CLASS_USER_INTERACTIVE.rawValue)
        dispatch_async(dispatch_get_global_queue(qos, 0)) {
                
            let responseHandler = ResponseHandler()
            responseHandler.failureCallback = { status in

nunogoncalves

HOWTO avoid 'too many connections'

---

Ask postgresql where is the configuration file

$ psql postgres
 psql (9.2.2)
   Type "help" for help.