I am leveraging handlebars.js for my templating engine and am looking to make a conditional segment display only if it is the last item in array contained in the templates configuration object.  {   columns: [{<obj>},{<obj>},{<obj>}...
So I wanted to write a function that returns the sum of all prime numbers up to and including a provided number.   I have written this, which works:    function sumPrimes(num) {   const arr = Array.from({length: num+1}, (v, k) => k).slice(2);   re...
I don't quite understand how helpers work in the view / controllers.  I have never used them.  My specific question is:  almost all of my views implement AJAX.  In most of my controllers, the update.js.coffee and create.js.coffee have some form o...
I am trying to solve an exercise about array helpers in Javascript, this is my code.  var numbers = [1, 2, 3, 4, 5];  function square() {     var arraySquare = [];     for (i = 0; i < numbers.length; i++) {         arraySquare[i] = numbers[i] * nu...
I'm building a Dapps connected with Ethereum Blockchain. I have a JavaScript function that call an asynchronous methods inside.  async function getFiles(id, array){     if(id < 2){         myContract.consultFile.call(id,"0x2b461Db580028F26...
For whatever reason I am unable to solve this issue with countless hours of troubleshooting. I have some simple helpers working with a Bootstrap 3 nav-tabs list.   I want to render a different template based on which list item is active. Here are my...
For some reason my form doesn't work it doesn't give me any form of alert can some one lead me in the right direction I've spent hours looking for a solution and I hit a brick wall, trying the same things over and over. Can someone please...
I'm start using cakephp and i made a demo app using AjaxHelper  $ajax->link('title', 'url', array('update' => 'mydiv'))  Now i want to migrate that to cakephp 1.3 and AjaxHelper is deprecated on cake 1.3 and...
Handlebars.js seems to be a good solution but I'm having an issue trying to add a sample model to some markup.  I am trying to create a top level navigation with a dropdown and am having issues with a nested each helper.  JSON file:  {     "m...
I'm using Bootstrap with a Rails application.  I want a div with class .container on the home page and all post show pages.  Every other page should have class .container-fluid.  I'm trying to accomplish this with javascript in a js.erb file...

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