Polymorphic Associations with Ruby on Rails
by Although not usually the first option for many, polymorphic associations are perfect for when you need to connect the same type of model to multiple …
Category: Beginner
SQL 101 – The Basics
by 
and Introduction First things first, a little bit of history for us to understand what is SQL. Structured Query Language (SQL) is a domain-specific language used …
Blockchain: What are you Token about?
by Tokens, NFT, ERC, EIP… these terms have been in our vocabulary for quite a while. Many people are excited about how innovative they are and …
CodeTips#6: Using the Node.js debugger
by The usual way to debug a Node.js application is to simply use the console module to inspect variables or objects, which is fast enough to …
CodeTips#5: Debugging in Frontend Some tips and tools to debug your JavaScript code
by Hello guys! When we are investigating errors or resolving a bug in our app, we all know the struggle of finding and fixing it. In …
A stylish guide to styled components #1
by The relationship between developers and CSS is kind of weird. By the time we can have a good time making a drawing or some impressive …
CodeTips#4: Debugging Ruby applications
by When our code is behaving unexpectedly, our first attempt is usually trying to understand why it happened, but just thinking about it might not be …
Adding a new technology or concept in your team (the correct way)
by Sometimes when we are developing some chunks of code, we start to question why I am doing it this way? Should I do it in …
Integers overflow and underflow
As we all should know already, memory is not an infinite resource despite looking like it. Given our current scenario where hardware is relatively cheap, …
Using Docker to instantiate local databases A minimalist guide on the Docker way of setting up local databases
by From tutorials to enterprise-level software, knowing how to set up a local database instance is a mandatory skill. You’ve probably had to go through tons …