How to Receive Shopify store event on backend

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• Shopify - Can't find product description template

  I'm working with a theme called Turbo and it uses an app called Easy Tabs, I believe. I'm trying to edit the CSS of this section -

  

  But when I try to find the template for this area, the closest I can find is the following -

  <!-- DO NOT EDIT THIS SNIPPET - it's generated automatically and may 
  be overwritten at any time -->   {% if product-description-tabs %}     
  {% assign easytabs_description = product-description-tabs | replace: " 
  <h5></h5>", "" %}   {% else %}     {% assign easytabs_description = 
  product.description | replace: "<h5></h5>", "" %}   {% endif %}    {{ 
  easytabs_description }} 
  
• Shopify - Handling several hundred items in a Section Block

  Have a question about how to handle several hundred items in a section block.

  On page load I'm doing something along the lines of this:

  {% for block in section.blocks %}
          {% if block.type == "locationimage" %}
  
              <div class="grid__item one-half medium-up--one-quarter locImage" tags="{{block.settings.tags}}">
                <img class="lazyload" data-src="{{ block.settings.image | img_url: '350x350', crop: 'center'}}"/>
              </div>
  
           {% endif %}
  {% endfor %}
  

  Using that class lazyload helps with no fetching teh actual image however as I have several hundred divs in that for loop the page takes a while to load.

  How can I avoid showing all the divs until the user actually scrolls into view on them? I tried paginate but get the error cannot be used in section block.

  And a side question, I'd also like the results to be randomised, so the images appear randomised each time.

  The only thing I can think of at the moment is to make a GET request to the section, then with the response data as a HTMLCollection, shuffle it then return say 100 items at a time - but that still won't solve the fundamental wait for all the divs to appear.

  Any ideas appreciated.

  Thanks.
• How can I add item cost to a product variant using ShopifyAPI?

  I'm trying to programmatically add a couple dozens products to my Shopify shop using the official ShopifyAPI Python SDK, but I can't figure out how to specify the cost of each variant.

  This is what I've tried so far:

  variant = shopify.Variant()
  variant.price = price
  variant.option1 = size
  variant.inventory_quantity = qty
  variant.inventory_management = "shopify"
  variant.fullfilment_service = "manual"
  variant.requires_shipping = True
  variant.sku = sku
  variant.taxable = False
  variant.inventory_policy = 'deny'
  variant.cost = cost
  new_product.variants.append(variant)
  

  Naturally, variant.cost doesn't work. How should I do this? Or is it not yet supported?

  I'm using ShopifyAPI version 5.1.0, and the API version is 2019-07.
• How to make a Shopify GraphQL query in Rails without memory issue

  I'm using the graphql-client gem and shopify_app gem, making a query successfully like this:

  shop.with_shopify_session do
    query = <<-GRAPHQL
      {
        shop {
          name
        }
      }
    GRAPHQL
  
    client = ShopifyAPI::GraphQL.new
  
    Kernel.const_set(:NameQuery, client.parse(query))
    result = client.query(NameQuery)
  
    puts "Shop name: #{result.data.shop.name}"
  end
  

  *The reason for Kernel.const_set is because a constant is required to make this work.

  The problem: Each time this executes it adds about 100MB of ram usage on server (according to Heroku metrics).

  Do you know how to execute a graphql query with Shopify in Rails without the excessive memory leak?
• How would one go about building true React SPA theme in Shopify

  How would one go about building React SPA theme, which will handle routing client-side and will use all the benefits of Shopify Plus plan, (e.g. managed hosting, bandwidth, etc...).

  All examples I could find are using Shopify Storefront API as a headless seems, but we all looking for a more “hybrid” solution relying on Shopify Plus servers, but at the same time using as less liquid as possible.