Categories

HTTP Status Codes: An Overview

Serializers in Ruby on Rails

Rails ActiveRecord Concerns

HAML - Beautifying HTMLs

Transaction by Example in Rails

What is transaction?

Polymorphic Associations in Rails

.What is the usecase?Suppose two models can be associated to a third model with a common attribute. For example, Image can belong to User as well as Product, because user will have se...

Multiple Inheritance in Ruby

In this post we will learn about multiple inheritance in ruby.

Resolve early termination of worker in Rails

In this post we will resolve the error - Early termination of puma worker.

Allow HTTPS traffic via AWS Load balancer and EC2

In this post we will achieve passing only https traffic to EC2 via application load balancer.

Rails 6.1 - adds defaults value to enum

How do we define enums? Pretty much like

Rails 6 - Managing API keys using 'credentials'

How do you manage application secret keys? We cannot commit them in Version Control System (like github), it is too dangerous.

Setting up Rails Performance dashboard with influxdb and grafana

When application gets stable at some point, we try to improve things we built for a while now. And improving performancetops the list for me. Application performance is a large concep...

Reset primary key sequence

Resetting primary key sequence in Rails can be achieved by simply calling method reset_pk_sequence! on ActiveRecord with table_name.

Sending Email from Rails

Sending email is integral part of every web application nowadays. In this post we will cover how to send emailsfrom a rails application.

Ruby date formatting

Ruby provides two classes to format date string strftime and strptime.

json and jsonb - Postgresql

Postgresql provides a data-type jsonb to save data from JSON format. There are two ways for it - using jsonand jsonb. This article will clarify difference in short terms.

Sidekiq By Example : Ruby's background worker

What is the best way of handling background jobs in Rails, (maybe) using sidekiq.

Run seed data only on first Docker instance up

Q: Do we need to run rails db:seed, rails db:migrate every time the deployment happen? Ans - Absolutely no. rails db:seed should only run for the first time i.e. first deployment. But...

HTTP request response headers

At the end browser talks in the language of HTTP request. But we really know minimal about it.

Ruby Ranges Overview

Range in ruby can be used in following situations

Useful Rails commands

rails dbconsole

Rails 6 adds *_previously_was attributes method

Rails had previous_changes method to track value of object before and after save.

Scopes in Rails

Recently I was calling create method on an active-record model object. But it failed in validation, because the provided foreign_key_id was not present in the associated table.

String Comparison: StringInquirer

Generally we use ==/===/eql?/equal? for string comparison in Rails.It does work in all scenarios we needed. But we often tend to look how same things can be done in more clean ways or...

Squasher: Replacing old migrations

Too many migrations in application makes it painful. Sometimes they are written a long time back, that now you do not even remember. At the point you might want to replace them with s...

Modify a gem and use it in Rails

Sometimes a situation arises where we need to modify a gem according to our requirement and then successfully integrate into our project. Let’s find out!

Rails Request Lifecycle...

Have you ever wondered how a request is processed in its lifecycle? What happens with request at each stage? Who handles request at what level? Let’s dig it out!

How Indexes on database works!

When it comes to performance of an application, databases are highly important and effective. And one of the key factor in database optimisation is index. It helps in getting results ...

APIs in Rails 5.0 - overview

Have you ever wonder how APIs work in the world of convention over configuration, specifically in Rails 5.0?

Rails Includes vs Joins

When I started learning Rails, I was always in a state of confusion about using includes or joins,because both are used in almost same scenario. Includes uses eager loading whereas jo...

Why Rails? Why Ruby?

Ruby on Rails has been a prominent framework for web applications for last couple of years. But what has made it so worthy?

Rails Includes vs Joins

When I started learning Rails, I was always in a state of confusion about using includes or joins,because both are used in almost same scenario. Includes uses eager loading whereas jo...

APIs in Rails 5.0 - overview

Have you ever wonder how APIs work in the world of convention over configuration, specifically in Rails 5.0?

Database Partitioning by Example

Transaction by Example in Rails

What is transaction?

Reset primary key sequence

Resetting primary key sequence in Rails can be achieved by simply calling method reset_pk_sequence! on ActiveRecord with table_name.

json and jsonb - Postgresql

Postgresql provides a data-type jsonb to save data from JSON format. There are two ways for it - using jsonand jsonb. This article will clarify difference in short terms.

How Indexes on database works!

When it comes to performance of an application, databases are highly important and effective. And one of the key factor in database optimisation is index. It helps in getting results ...

Modify a gem and use it in Rails

Sometimes a situation arises where we need to modify a gem according to our requirement and then successfully integrate into our project. Let’s find out!

Squasher: Replacing old migrations

Too many migrations in application makes it painful. Sometimes they are written a long time back, that now you do not even remember. At the point you might want to replace them with s...

What is self in Ruby?

self is a keyword in ruby which means it is reserved by Ruby to serve a specific purpose and we cannot use it like regular variables (although you can override it, but you shouldn’t).

Keywords in Ruby

Keywords are special words in Ruby which are reserved by the language and have predefined uses. Each keyword serves a different implementation than other. Let’s dive into these keywor...

Polymorphic Associations in Rails

.What is the usecase?Suppose two models can be associated to a third model with a common attribute. For example, Image can belong to User as well as Product, because user will have se...

Multiple Inheritance in Ruby

In this post we will learn about multiple inheritance in ruby.

Ruby date formatting

Ruby provides two classes to format date string strftime and strptime.

Ruby Ranges Overview

Range in ruby can be used in following situations

String Comparison: StringInquirer

Generally we use ==/===/eql?/equal? for string comparison in Rails.It does work in all scenarios we needed. But we often tend to look how same things can be done in more clean ways or...

Scopes in Rails

Recently I was calling create method on an active-record model object. But it failed in validation, because the provided foreign_key_id was not present in the associated table.

Rails 6 adds *_previously_was attributes method

Rails had previous_changes method to track value of object before and after save.

Useful Rails commands

rails dbconsole

HTTP request response headers

At the end browser talks in the language of HTTP request. But we really know minimal about it.

Sidekiq By Example : Ruby's background worker

What is the best way of handling background jobs in Rails, (maybe) using sidekiq.

What is libpq?

You might have heard about libpq while installing/operating postgresql. But what is libpq? Let’s understand.

Resolve early termination of worker in Rails

In this post we will resolve the error - Early termination of puma worker.

Reset primary key sequence

Resetting primary key sequence in Rails can be achieved by simply calling method reset_pk_sequence! on ActiveRecord with table_name.

json and jsonb - Postgresql

Postgresql provides a data-type jsonb to save data from JSON format. There are two ways for it - using jsonand jsonb. This article will clarify difference in short terms.

Sending Email from Rails

Sending email is integral part of every web application nowadays. In this post we will cover how to send emailsfrom a rails application.

Setting up Rails Performance dashboard with influxdb and grafana

When application gets stable at some point, we try to improve things we built for a while now. And improving performancetops the list for me. Application performance is a large concep...

Setting up Rails Performance dashboard with influxdb and grafana

When application gets stable at some point, we try to improve things we built for a while now. And improving performancetops the list for me. Application performance is a large concep...

Setting up Rails Performance dashboard with influxdb and grafana

When application gets stable at some point, we try to improve things we built for a while now. And improving performancetops the list for me. Application performance is a large concep...

Rails 6 - Managing API keys using 'credentials'

How do you manage application secret keys? We cannot commit them in Version Control System (like github), it is too dangerous.

Rails 6 - Managing API keys using 'credentials'

How do you manage application secret keys? We cannot commit them in Version Control System (like github), it is too dangerous.

Rails 6.1 - adds defaults value to enum

How do we define enums? Pretty much like

Rails 6.1 - adds defaults value to enum

How do we define enums? Pretty much like

Allow HTTPS traffic via AWS Load balancer and EC2

In this post we will achieve passing only https traffic to EC2 via application load balancer.

Allow HTTPS traffic via AWS Load balancer and EC2

In this post we will achieve passing only https traffic to EC2 via application load balancer.

Allow HTTPS traffic via AWS Load balancer and EC2

In this post we will achieve passing only https traffic to EC2 via application load balancer.

Resolve early termination of worker in Rails

In this post we will resolve the error - Early termination of puma worker.

Polymorphic Associations in Rails

.What is the usecase?Suppose two models can be associated to a third model with a common attribute. For example, Image can belong to User as well as Product, because user will have se...

HAML - Beautifying HTMLs

HAML - Beautifying HTMLs

Rails ActiveRecord Concerns

Serializers in Ruby on Rails

Database Partitioning by Example