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POCoffeescript with "#{}" makes rails so slow
 

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  1. POCoffeescript with "#{}" makes rails so slow
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    <p>My friend and I were coding a partial to be called in a view:</p> <p>When user clicks on any button, a menu is shown, and after selecting something, he will be redirected to another page. That page is decided by the product number, something along the product/:id.</p> <p>but when we used <code>"product/#{product.id}"</code> coffeescript of in our partial, The site became so slow, more than 7s to load it, but when we saved the product.id on a hidden text, it was loaded in less than 0.5s. </p> <p>And the only change was this! except <code>"product/#{product.id}"</code> -> <code>"product/" + ${#sth}.val()</code></p> <p>Is there any reason for this? </p> <p>-- Update: This is the code I've used, I know it's so messy right now, cause we changed it a lot: But that's the idea</p> <pre><code>- if product.blank? - id = "new" - path = "#{new_software_path}/" - else - id = product.id - path = product.getFileLink(:DASHBOARD_LINK) .modal.hide.fade{:id =&gt; "role-options-#{id}","aria-hidden" =&gt; "true", "aria-labelledby" =&gt; "myModalLabel", :role =&gt; "dialog", :tabindex =&gt; "-1"} .modal-header %button.close{"aria-hidden" =&gt; "true", "data-dismiss" =&gt; "modal", :type =&gt; "button"} × %h3#myModalLabel choose a language .modal-body.profile_body %input{type: :hidden, class: id, value: path} %select{class: id} %option{value: :en} English %option{value: :de} German .modal-footer %button.btn{"aria-hidden" =&gt; "true", "data-dismiss" =&gt; "modal"}= t("forms.close") %button.btn.btn-primary{"data-id" =&gt; id}= t("forms.submit") :coffeescript $(".btn-primary").click -&gt; $id = "." + $(this).data("id") window.location.href = $("input." + $id).val() + $("select." + $id).val() alert(#{product.id}); </code></pre> <hr> <p>My rails log shows: </p> <p>With 'alert' part:</p> <pre><code>Started GET "/dashboard/softwares" for 127.0.0.1 Processing by SoftwaresController#manage as HTML Rendered shared/_otherlanguage.html.haml (141.5ms) Rendered shared/_otherlanguage.html.haml (150.0ms) Rendered shared/_otherlanguage.html.haml (149.3ms) ... Rendered shared/_otherlanguage.html.haml (139.8ms) Rendered softwares/manage.html.haml within layouts/dashboard (12869.5ms) Rendered layouts/_dashboard_navigation.html.haml (2.4ms) Completed 200 OK in 12922ms (Views: 12890.0ms) </code></pre> <p>Without 'alert' part:</p> <pre><code>Started GET "/dashboard/softwares" for 127.0.0.1 at 2013-07-02 10:09:44 +0430 Rendered shared/_otherlanguage.html.haml (145.6ms) Rendered shared/_otherlanguage.html.haml (3.8ms) Rendered shared/_otherlanguage.html.haml (0.9ms) Rendered shared/_otherlanguage.html.haml (0.8ms) ... Rendered shared/_otherlanguage.html.haml (0.8ms) Rendered softwares/manage.html.haml within layouts/dashboard (477.9ms) Rendered layouts/_dashboard_navigation.html.haml (0.9ms) Completed 200 OK in 577ms (Views: 549.6ms) </code></pre> <hr> <p>As I said, we created a partial that would get a 'product' object for locals, and used it to generate the link, when clicking submit.</p>
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    1. PTQuestion
    1. USReza Kazemirad
    1. USReza Kazemirad
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      1. POCoffeescript with "#{}" makes rails so slow
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      1. VTUpMod
    1. COCan't judge with little info. Better to post more code.
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      1. POCoffeescript with "#{}" makes rails so slow
      1. USBilly Chan
    2. CO`"product/#{product.id}"` just compiles to the javascript `"product/" + product.id`, so this doesn't make much sense. Why are you using a different variable between the two bits of code?
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      1. POCoffeescript with "#{}" makes rails so slow
      1. USAaron Dufour
    3. COWhere is this `product` variable coming from? How does it get into scope in your CoffeeScript?
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      1. POCoffeescript with "#{}" makes rails so slow
      1. USChuck
 

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