NoSql Example Of Separate Collections In One-to-One Relationship; Case Of Specialization And Generalization

When And Why Should Reference Be Used To Link Documents In 1-1 Relation

 March 23, 2018  |  4 minutes  |  753 words  |  Talha Awan

In my detailed post on NoSql data modeling I listed down ways of modeling NoSql data (using mongodb collections). For one-to-one relation, usually, it’s not apparent why one needs a separate collection instead of embedding everything in single document. In this post I’ll address this and share an example. [Read More]
nosql  data-modeling 

Unit Testing Expressjs Controller (Part 1)

Stepwise Test Driven Development of Express Mongoose CRUD APIs

 March 10, 2018  |  9 minutes  |  1848 words  |  Talha Awan

So far, I haven’t found a real workable example of unit testing Express controller/route for API. Most I saw either label integration test as unit test or offer little meaningful in right direction. To be clear what I’m talking about, see the controller code below: [Read More]
nodejs  expressjs  mongoose  api  unit-testing 

Develop Two Player Chess Game Application with React Js

 March 7, 2018  |  12 minutes  |  2549 words  |  Talha Awan

With React js, development of two player chess application is a breeze. This tutorial assumes working knowledge of Javascript ES6 and React js. The application’s code is bootstrapped with create-react-app. The initial setup and stylesheet are taken from and built upon React’s official tic tac toe tutorial. [Read More]
reactjs 

Why I Chose Hugo Framework For My First Blog?

A journey of exploring various CMSs, website builders and static site generators before settling on Hugo

 March 5, 2018  (Updated November 20, 2019)  |  9 minutes  |  1790 words  |  Talha Awan

If you’re an over-thinker like me, you’re bound to share my experience ahead of launching your first blog. The most strenuous part is platform selection. Wordpress.org? Wordpress.com? Squarespace? Wix? Hubpages? A never ending cycle begins: Weigh pros and cons of each and choose one, only to start over again on second-guessing. [Read More]
hugo  wordpress  wix  squarespace 

Node Express Endpoint to Upload and Process CSV File

 March 1, 2018  (Updated May 25, 2018)  |  3 minutes  |  582 words  |  Talha Awan

It’s very common in Node/Express backend development to come across a requirement of parsing and processing CSV file. Perhaps storing the content in database after processing. This post will do just that. We’ll upload a CSV file, store it temporarily in server’s directory to fetch all rows in JSON form, push all rows in an array, and remove the temporary file. [Read More]
nodejs  expressjs  csv 

How To Draw NoSql Data Model Diagram?

 February 28, 2018  |  4 minutes  |  817 words  |  Talha Awan

NoSql, unlike SQL which has ER and class diagrams, has neither names nor constraints for data modeling diagram(s). The obvious reason is NoSql’s lack of hard and fast relationship rules, which aims to get a developer started with minimum requirements. [Read More]
nosql  data-modeling 

NoSql Data Modeling: 1 to 1, 1 to Many, Many to Many

 February 26, 2018  (Updated March 24, 2018)  |  7 minutes  |  1385 words  |  Talha Awan

Surprisingly, data modeling for NoSql databases doesn’t get much traction compared with SQL. 1 to 1, 1 to many and many to many; all can be modeled multiple ways. No favoring of a particular choice, no required normalization. The only constraint is application requirements. [Read More]
nosql  data-modeling