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Drupal · 2 min read

Drupal error white user page, the design is showing in the index page, database contents are not showing in eCommerce website

While working with one of the eCommerce websites I came up with a drupal error that shows a blank white page when I try…NOV 27, 2018 Drupal · 2 min read

Error encountered after disabling the cache in Drupal

Following is the error encounter after disabling the cache in DrupalThe website encountered an unexpected error. Please try again later.Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException: You have requested a non-existent…NOV 24, 2018 Drupal · 1 min read

Drupal Console: [ERROR] Command “site:status”, is not a valid command name

Drupal Console: [ERROR] Command “site:status”, is not a valid command name. First try/execute the drupal list command, where you will get a list of…NOV 16, 2018 Opencart · 2 min read

Front end Controller file to make hello world – OpenCart Module Development

OpenCart identifies existing modules automatically, simply by reading the catalog/controller/extension/module folder. Any modules existing in this folder will automatically be loaded as per the…NOV 16, 2018 Drupal · 5 min read

Service ‘page_manager.variant_route_filter’ for consumer ‘router.no_access_checks’ does not implement

Service ‘page_manager.variant_route_filter’ for consumer ‘router.no_access_checks’ does not implement The website encountered an unexpected error. Please try again later. Symfony\Component\DependencyInjection\Exception\LogicException: Service ‘page_manager.variant_route_filter’ for consumer ‘router.no_access_checks’…NOV 14, 2018 Drupal · 1 min read

Drupal 8 Symfony Component Routing Exception RouteNotFoundException Route view.products_list.page_2 does not exist

The website encountered an unexpected error. Please try again later.</br></br><em class=”placeholder”>Symfony\Component\Routing\Exception\RouteNotFoundException</em>: Route "view.products_list.page_2" does not exist. in <em class=”placeholder”>Drupal\Core\Routing\RouteProvider->getRouteByName()</em> (line <em class=”placeholder”>190</em> of <em…NOV 9, 2018 Opencart 4 tutorial · 2 min read

Admin Language file to make hello world – OpenCart Module Development

Create a language file helloworld.php at “admin\language\en-gb\extension\module\“, here en-Gb is the English language folder but if your store is multi-language then you have to…NOV 4, 2018 Drupal · 1 min read

%type: !message in %function (line %line of %file) Drupal error

I keep on getting this error logging at watchdog table in the database while loading front end or home page: %type: !message in %function (line…NOV 4, 2018 Mongo DB Solution · 3 min read

The solution Homework 3.1 M101JS: MongoDB for Node.js Developers

Write a program in the language of your choice that will remove the lowest homework score for each student. Since there is a single…OCT 28, 2018 Mongo DB Solution · 3 min read

Final: Question 1 M101JS: MongoDB for Node.js Developers

Final: Question 1 Please download the Enron email dataset enron.zip, unzip it and then restore it using mongorestore. It should restore to a collection…OCT 25, 2018 Mongo DB Solution · 4 min read

The solution Homework 2.3 M101JS: MongoDB for Node.js Developers

You should see four files in the ‘blog’ directory: app.js, users.js, posts.js, and sessions.js. There is also a ‘views’ directory which contains the templates…OCT 24, 2018 Mongo DB Solution · 2 min read

The solution HW 2.2 M101JS: MongoDB for Node.js Developers

Write a program that finds the document with the highest recorded temperature for each state, and adds a “month_high” field for that document, setting…OCT 24, 2018 Mongo DB Solution · 4 min read

The solution to Homework 6.5 M101JS: MongoDB for Node.js Developers

Homework: Homework 6.5 In this homework, you will build a small replica set on your own computer. We will check that it works with…OCT 22, 2018 Mongo DB Solution · 2 min read

The solution to Homework 6.4 M101JS: MongoDB for Node.js Developers

Homework: Homework 6.4 You have a sharded system with three shards and have sharded the collections “students” in the “school” database across those shards.…OCT 22, 2018 Mongo DB Solution · 1 min read

The solution to Homework 6.3 M101JS: MongoDB for Node.js Developers

Homework: Homework 6.3 Which of the following statements are true about choosing and using a shard key? MongoDB can not enforce unique indexes on…OCT 22, 2018