Prasanth Chaduvula

Prasanth Chaduvula

I'm a React, Javascript & Rails full-stack Software Engineer. I have been working remotely for the past two years in a remote village. Before joining as a Software Engineer I founded kwiq - a hyperlocal delivery startup to deliver things in remote villages.
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Functional Programming In React

Learn about functional programming and how React implements it using immutable data, pure functions, and composition, along with the benefits of functional programming.
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CSS units rem, em, px, vh, vw, percentage

Learn differtent types of css units and their usage based on usecases.
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Understanding Controlled And Uncontrolled Components In React

Learn about controlled and uncontrolled components, the differences between them and and which one to use.
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Rails Adds SKIP_TEST_DATABASE_TRUNCATE Flag To Speed Up Multi Process Test Runs

Speed up multi-process test runs on large DBs with ENV["SKIP_TEST_DATABASE_TRUNCATE"] flag by skipping the table truncations and running test within default transaction.
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Puma-dev And Using It With Rails Applications.

Explore what Puma-dev is, why it is beneficial, how to install and use it, and how to configure it within bin/setup.
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Rails Add ActiveRecord.after_all_transactions_commit Callback

ActiveRecord.after_all_transactions_commit ensures specified actions execute only after all database transactions commit, ensuring reliable post-transaction operations.
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Rails Adds ActiveRecord::Base.with_connection To Optimize Database Operations.

Efficiently manages database connections by promptly returning them to the pool after use, enabling immediate reuse rather than holding onto connections until the end of the request cycle.
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Ruby 3.4 Throws SyntaxError As Keyword Arguments Are No Longer Allowed In Index.

Passing keyword arguments in index to an array set methods throws SyntaxError.
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ActiveRecord::Relation#order Adds Support For Hash Values In Rails 7.2.

With Rails 7.2, ActiveRecord::Relation#order supports hash values where keys are table name, value is a hash of key (column name) and value (order direction).
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PostgreSQL Adapter Now Decodes Columns Of Type Date To Date Instead Of String In Rails 7.2.

Rails 7.2 added a Date decoder to the postgres adapter to type cast dates at the connection level to type cast columns of type date to Ruby Date instead of String.
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Ruby 3.4 Throws SyntaxError While Passing Block As Argument In Index.

Passing a block as an argument in index to an array throws SyntaxError in Ruby 3.4 as it is no longer allowed.
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Strict Loading Using :n_plus_one_only Mode Does Not Eagerly Load Child Associations In Rails 7.2.

In Rails 7.2, with strict loading in :n_plus_one_only mode, associations are eagerly loaded and child associations are lazy loaded.
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Ruby 3.4, Range#size Now Raises TypeError If The Range Is Not Iterable

Range#size raises TypeError if the begin value of Range is a Float or Rational or Beginless.
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Ruby 3.4, No More TypeError With **nil As It Is Treated As An Empty Hash.

When double splat ** operator used with nil, it is treated similarly to **{}, which passes no keywords and does not call any conversion methods.
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Enhancing Data Integrity With validate_foreign_key In Rails

validate_foreign_key validates foreign key constraint and is designed to reduce the impact of adding foreign keys on high-traffic tables in PostgreSQL.
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Rails Adds GitHub CI Workflow By Default To New Applications

All new applications using Rails 7.2 will have GitHub CI workflow by default.
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Rails 7.1 Allows ActiveRecord::Relation#explain To Accept Options

Adding analyze and verbose as ActiveRecord::Relation#explain options give us deeper insight into query performance.
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Rails 7.1 Introduces ActiveRecord regroup Method

With regroup and regroup! methods we can override the group_values
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Rails 7.1 allows resetting singular associations

Query database again to retrieve the associated record by resetting the cache on singular associations.
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Rails 7.1 Introduces Option To Disable All Methods That ActiveRecord.enum Generates

Disable auto generated methods of ActiveRecord.enum with instance_methods by passing false to it.
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Rails 7.1 Adds path_params Option For url_for Helper Method

path_params allows specified params to be used exclusively for named segments under scoped routing without unnecessarily appending parameters to every URL.
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Ruby 3.3 Implements Range#reverse_each Method For Very Large or Beginless Ranges And Error Handling For Endless Ranges

Range#reverse_each can now process beginless ranges with an Integer endpoint and raises TypeError for endless ranges.
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Automate Fly Postgres Database Backup & Store To S3 bucket With GitHub Actions

Discover how GitHub Actions empowers automation to effortlessly backup Fly.io hosted postgres databases, saving backups to a designated S3 bucket.
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Rails 7.1 Allows ActiveRecord reselect Query Method To Accept Hash

Use of hash syntax for specifying columns and aliases with the ActiveRecord::QueryMethods#reselect method makes it easier for querying.
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Ruby 3.3 Introduces Range#overlap? method

Compare two ranges and see if they overlap each other. overlap? returns true if two ranges overlap each other, otherwise false.
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Rails 7.1 Introduces Default Dockerfiles

Dockerfiles facilitate the deployment of Rails applications in production environments using Docker.
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Rails 7.1 Adds ActiveJob#perform_all_later To Enqueue Multiple Jobs At Once

perform_all_later allows us to enqueue multiple jobs that belong to different classes simultaneously within ActiveJob.
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Rails 7.1 Expands ActiveRecord API with Async Query Support

With the Active Record API for general async queries we can efficiently query not so fast queries asynchronously to improve the performance.
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Rails 7.1 Introduces ActiveRecord::Base::generates_token_for

Generate tokens for specific purposes and verify their authenticity.
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Rails 7.1 Introduces ActiveRecord::Base::Normalization

Normalization allows us to define custom normalization rules for attributes in our model. This feature is particularly helpful for ensuring that specific attributes are consistently formatted or transformed before they are saved to the database.
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Rails 7.1 Introduces Autoload Lib and Ignore Sub-Directories with config.autoload_lib(ignore:) Method

Autoloading lib directory isn't always straightforward. In this blog post, we'll delve into the autoloading of the lib directory using config.autoload_lib(ignore:).
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Set And Restore Public Attributes Around a Block Using Object#with

We can use Object#with method as shorthand for the common begin/ensure pattern to save the value of an attribute, setting a new value, and then restoring the previous value.
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React state management - useReducer vs Redux

This blog explores useReducer vs Redux, delving into their definitions, use cases, code samples and when to choose each for efficient state management.
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Open Ranges Are Now Supported By The Object#in? Method In Rails

We can use Object#in? method to check open date ranges i.e. beginless and endless ranges.
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Reduce load times of Rails applications using CloudFront CDN

Delivering static assets and JavaScript files with CDN can significantly improve the performance of our Rails application, resulting in faster load times and a better user experience.
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When to extract code to React custom hooks?

React custom hooks help us to build reusable logic, and make the code more readable. In this blog, we will talk about when and when not to use react custom hooks.
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Rails adds the ability to ignore tables in SQL schema dumps via regular expressions

Ignore tables by configuring regular expressions on ActiveRecord::SchemaDumper.
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Rails now supports routes prefixed with word cable

Rails improved its support for routes which helps us to navigate to routes prefixed with word cable which were throwing 404 errors before.