title: Setting value of Observable not updating in Knockout
body: <p>(There are a ton of questions every day that link back to why can't I set the value of my observable, instead of having so many different answers saying the same thing I wanted to create a question to refer back to for everyone)</p>
  
  <h2>Setting value of Knockout Observable / Observable Array doesn't update</h2>
  
  <p>Setting the value of my observable observableArray isn't updating!</p>
  
  <h2>Adding an item to an Observable Array</h2>
  
  <p>Why can't I add an item into my Knockout observable array?</p>