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HOWTO avoid 'too many connections'

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Ask postgresql where is the configuration file

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

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MARY
PATRICIA
LINDA
BARBARA
ELIZABETH
JENNIFER
MARIA
SUSAN
MARGARET
DOROTHY

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Copy from capybara's github page

Navigating

visit('/projects')  

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Clicking links and buttons

click_link('id-of-link')  
click_link('Link Text')  
click_button('Save')  

click('Link Text') # Click either a link or a button

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/* 
  Goal: 
    1. create user database
    2. send confirmation email
    3. commit or rollback transaction
    
    - 1 and 2 must be somehow transactional 
    ( if sendgrid rejects the email "http response status 400 - 500 range", you must rollback the transaction )
     
  Context: 

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(ns datomicdemo.core
  (:require
    [clojure.edn]
    [clojure.string :as str]
    [datomic.api :as d]))

(def url "datomic:free://localhost:4334/datomicdemo")

(d/create-database url)

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$ ruby poc_fiber.rb
 "hello"
 "world"

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;; (defn full-name ...) is equivalent to:
;; (def full-name (fn []...)) which defines a Var
;; object called full-name pointing at a compiled function
;; returning the static string "Oliv"
(defn full-name [] "Oliv")

;; greetings is a function taking two args.
;; it returns a function of no argument
;; invoking the second argument (f) with no arguments
;; and combining a string with it.

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AngularJS Directive Attribute Binding Explanation

When using directives, you often need to pass parameters to the directive. This can be done in several ways. The first 3 can be used whether scope is true or false. This is still a WIP, so validate for yourself.

1. Raw Attribute Strings

   <div my-directive="some string" another-param="another string"></div>

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;;adambard
(ns urlshortener.core
  (:require
    [org.httpkit.server :refer [run-server]] 
    [taoensso.carmine :as redis])
  (:import
    clojure.lang.Murmur3 
    org.apache.commons.validator.routines.UrlValidator))

(def validator (UrlValidator. (into-array ["http" "https"])))

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module.exports = console.log.bind(console, 'hello world');