Sinn Meas

@Sinn

A web developer in Ruby on Rails and React

Siem Reap, CambodiaJoined March 2023

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My personal blog about software development and other topics.

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Sinn Meas's blogs

Untitled Publicationsinn.hashnode.dev15 posts

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Recently published

SMSinn Meassinn.hashnode.devJan 25, 2025 · 1 min read

Ruby itself

It’s interesting to discover that Ruby has an instance method itself for the object. It returns the receiver itself—whatever the kind of receiver is. Let’s see a few examples: website = "Hashnode" # => "Hashnode" website.itself # => "Hashnode" websi...

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SMSinn Meassinn.hashnode.devDec 2, 2024 · 2 min read

Rails 7 with Font Awesome

Font Awesome has always been my favorite icon library for React and Rails projects. It is surely easy to use and makes the user interface much more friendly. I find enough free icons that Font Awesome offers but you can consider the Pro version in ca...

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SMSinn Meassinn.hashnode.devNov 22, 2024 · 1 min read

Calculate age from a date of birth in moment javascript

Previously, I wrote about calculating age from a date of birth in Rails. And, now let’s do it in javascript using moment. import moment from 'moment'; export const getAge = (dob: string) => { const parsedDob = moment(dob); if (!parsedDob.isVali...

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SMSinn Meassinn.hashnode.devOct 13, 2024 · 2 min read

Using Rails Active Record CallBack after_commit in Service Object

There are many available Active Record CallBacks in Ruby on Rails that we can use to do particular tasks when an object is created, saved, updated, deleted, validated, or loaded from the database. In addition to callbacks related to the object life c...

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SMSinn Meassinn.hashnode.devMay 14, 2024 · 1 min read

Rails uniqueness validations of nil value

When you happen to check if the attribute's value is unique before it is saved, you can use active record validation helper uniqueness. class User < ApplicationRecord validates :mobile_number, uniqueness: true end What if mobile_number is allowed ...

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Sinn Meas

About

Available for

Sinn Meas's blogs

Recently published

Ruby itself

Rails 7 with Font Awesome

Calculate age from a date of birth in moment javascript

Using Rails Active Record CallBack after_commit in Service Object

Rails uniqueness validations of nil value

Search Hashnode

Sinn Meas

About

Available for

Sinn Meas's blogs

Recently published

Ruby itself

Rails 7 with Font Awesome

Calculate age from a date of birth in moment javascript

Using Rails Active Record CallBack after_commit in Service Object

Rails uniqueness validations of nil value