diff --git a/app/assets/javascripts/editor/editor.js.erb b/app/assets/javascripts/editor/editor.js.erb
index a58afae9..ca705251 100644
--- a/app/assets/javascripts/editor/editor.js.erb
+++ b/app/assets/javascripts/editor/editor.js.erb
@@ -31,6 +31,10 @@ var CodeOceanEditor = {
 
     <% self.class.include Rails.application.routes.url_helpers %>
     <% @config ||= CodeOcean::Config.new(:code_ocean).read(erb: false) %>
+    // Important notice: Changing the config values requires any content-wise
+    // modification for this file in the development environment. Lacking to do so
+    // will result in the old, server-side cached serving of this file even across
+    // server restarts!
     sendEvents: <%= @config['codeocean_events'] ? @config['codeocean_events']['enabled'] : false %>,
     eventURL: "<%= @config['codeocean_events'] ? events_path : '' %>",
     fileTypeURL: "<%= file_types_path %>",
diff --git a/app/assets/javascripts/editor/participantsupport.js.erb b/app/assets/javascripts/editor/participantsupport.js.erb
index 23e98009..07da53b7 100644
--- a/app/assets/javascripts/editor/participantsupport.js.erb
+++ b/app/assets/javascripts/editor/participantsupport.js.erb
@@ -21,7 +21,7 @@ CodeOceanEditorFlowr = {
   getInsights: function () {
     <% self.class.include Rails.application.routes.url_helpers %>
     var flowrUrl = '<%= insights_path %>';
-    var stackOverflowUrl = 'http://api.stackexchange.com/2.2/search/advanced';
+    var stackOverflowUrl = 'https://api.stackexchange.com/2.2/search/advanced';
 
     return jQuery.ajax({
       dataType: "json",
@@ -78,7 +78,7 @@ CodeOceanEditorFlowr = {
         category: eventType,
         data: data,
         exercise_id: $('#editor').data('exercise-id'),
-        file_id: null
+        file_id: CodeOceanEditor.active_file.id,
       });
     };
   },
diff --git a/app/controllers/events_controller.rb b/app/controllers/events_controller.rb
index 3a3b02a4..edad8909 100644
--- a/app/controllers/events_controller.rb
+++ b/app/controllers/events_controller.rb
@@ -1,5 +1,6 @@
-class EventsController < ApplicationController
+# frozen_string_literal: true
 
+class EventsController < ApplicationController
   def authorize!
     authorize(@event || @events)
   end
@@ -20,9 +21,10 @@ class EventsController < ApplicationController
   end
 
   def event_params
+    # The file ID processed here is the context of the exercise (template),
+    # not in the context of the submission!
     params[:event]&.permit(:category, :data, :exercise_id, :file_id)
-        &.merge(user_id: current_user&.id, user_type: current_user&.class.name)
+        &.merge(user_id: current_user&.id, user_type: current_user&.class&.name)
   end
   private :event_params
-
 end
diff --git a/config/code_ocean.yml.example b/config/code_ocean.yml.example
index a74184e7..36d238ff 100644
--- a/config/code_ocean.yml.example
+++ b/config/code_ocean.yml.example
@@ -4,6 +4,8 @@ default: &default
     answers_per_query: 3
   code_pilot:
     enabled: false
+  codeocean_events:
+    enabled: false
 
 development:
   flowr:
diff --git a/config/code_ocean.yml.travis b/config/code_ocean.yml.travis
index c4a2b410..09eb8cb5 100644
--- a/config/code_ocean.yml.travis
+++ b/config/code_ocean.yml.travis
@@ -5,3 +5,5 @@ test:
     enabled: false
   codeharbor:
     url: http://test.url
+  codeocean_events:
+    enabled: false