So I'm using mongodb and I'm unsure if I've got the correct / best database collection design for what I'm trying to do.  There can be many items, and a user can create new groups with these items in. Any user may follow any group!...
I have recently started using mongoDB and mongoose for my new node.js application. Having only used relational databases before I am struggling to adapt to the mongoDB/noSQL way of thinking such as denormalization and lack of foreign key relationship...
I'm currently building a pretty complex AngularJS application that stores data in a sqlite database. My application data contains references to objects that are shared throughout the app. Angular is able to render this data, compare it, and every...
How could i structure data for following scenario?  There is an app called Food Ordering System. It contains  Username(Who is registering this restaurant menus for online order)  Restaurant_name  Description  Location  Estimated Delivery  Menu(Has mu...
I want to create a web site using google maps, php, mysql and javascript where users can leave a marker on a map with message so that another users will be able to see thismarker on their map. And all of this in a real time.  I suppose that amount of...
I am trying to make a function so that users can like posts (either a post is liked by the user or it is not liked by the user, i.e. no dislike or voting).  My posts are objects in a MongoDB collection with schema  {   title: String,   text: String }...
I need to devise a test for web developers. This test should screen both good grasp of the DOM and manipulating it and Good skills in designing scalable and efficient DB and server side code, And to salt it a bit with web specific problems (like tran...
I have a quite complicated question.  I'm looking for a javascript or PHP script that can take about any data (arrays, mysql queries ...) and make a table / pivot table / chart of it.  to be simple, I want an app that is able to take any data and...
We have a use case that requires many similar but different schemas for our database. Most of these models will only have between 0 - 4 rows on average and most excluding a handful won't be used at all.   Each product we add in will require rough...
I have an app that allows you to create employees, but I have a problem when renaming employee positions.  I have an array of positions that looks something like this:  positions: [   { id: 1, title: 'Masseuse' },   ... ];   If I create an em...

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