Tag: object

How to Check Whether Two Objects are Equal in JavaScript

December 17, 2023 / Fatos Morina / 0 Comments

In the world of JavaScript, comparing values is a fundamental operation, and doing it right can save you from unexpected surprises and bugs. When it comes to equality comparisons, === is your trusty guardian, and in this brief guide, we’ll uncover why it should be your go-to choice.

How to Use Optional Chaining in JavaScript

November 19, 2023 / Fatos Morina / 0 Comments

In the ever-evolving world of JavaScript, writing clean and error-free code is a top priority. Optional chaining is a modern feature that can help you achieve just that. In this brief guide, we’ll introduce you to optional chaining and show you how it can make your code more resilient.

Object Shorthand in JavaScript: A Shortcut to Cleaner Code

November 12, 2023 / Fatos Morina / 0 Comments

In the world of JavaScript, cleaner and more readable code is a prized possession. Object shorthand is a handy technique that can help you achieve just that. In this concise guide, we’ll explore what object shorthand is and how it can simplify your code.

Demystifying Python’s Method: A Peek into Object Representation

September 10, 2023 / Fatos Morina / 0 Comments

In the realm of Python programming, there’s a special method that offers a glimpse into an object’s soul, revealing its identity and state in a unique way. Meet __repr__, a method that plays a crucial role in the world of object-oriented Python. In this short blog article, we’ll delve into the fascinating world of __repr__, exploring its purpose, usage, and why it’s an essential tool for any developer.

The Difference Between copy() and deepcopy() in Python

August 14, 2022 / Fatos Morina / 0 Comments

person using black laptop computer — Photo by freestocks on Unsplash

There are two methods that you can use to copy objects in Python, namely, copy() and deepcopy().

They are similar and can be confusing for a lot of people. There is however a subtle difference.

Get previous values of model attributes in Rails using a pre-existing helper

March 25, 2018 / Fatos Morina / 0 Comments

Img source: binarywebpark.com

One of the best practices is keeping your controllers with as little code as possible, and have all the validations in the models. Rails includes a lot of validations that you can use in your models, and many other helpers that help you focus on your business logic and develop your projects as quickly as possible. A helper method that is among the unpopular ones is the possibility to check the old value of an attribute of a object, before doing any database transaction.