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Hey there! Welcome to our blog, where our team shares all things tech from cool solutions to everyday challenges to innovative ideas we're excited about. We're here to share our journey, inspire yours and have some fun along the way!
Satya Swaroop Mohapatra & Nitturu BabaSenior System Analyst • System AnalystHow we turned a Mac mini and a stack of MacBooks into a self-hosted k3s cluster, moved our apps off a managed platform, and run it all over Tailscale.
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Ashwani Kumar JhaSenior System Analyst
YuvaFounder & CTO
Puneeth kumarSystem AnalystWhat do you do when a card is charged but the order never ships? A friendly guide to the Saga pattern: compensating steps, choreography vs orchestration, and the mistakes that are easy to make.
Read moreNitturu BabaSystem AnalystA beginner-friendly guide to Kubernetes and K3s: core concepts, cluster architecture, and how to spin up your own cluster to test and play around with.
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Adithya HebbarSystem Analyst
Syed SibtainSystem AnalystA practical walkthrough of Agent Skills and SKILL.md, what happens mechanically when an agent loads one, the skills I've shipped across five projects, and where the design quietly breaks down.
Read moreSyed SibtainSystem Analyst
Nived HariSystem AnalystA practical guide to agentic memory, covering working, semantic, episodic, and procedural memory, along with storage, retrieval, distillation, and memory evolution.
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Swasthik KNitturu BabaSystem AnalystLearn practical techniques to defend against prompt injection attacks in AI applications with simple code examples.
Read moreSyed SibtainSystem AnalystA deep, practical guide to reading flame charts in Chrome DevTools, spotting expensive functions, and validating performance improvements.
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Sujay PrabhuSenior System AnalystA walkthrough of Ruby’s JIT history and the design ideas behind MJIT, YJIT, and ZJIT
Read moreNived HariSystem AnalystHow to design practical pre-production testing for LLM systems—using datasets, evaluators, and experiments to catch regressions before shipping.
Read moreAdithya HebbarSystem AnalystSyed SibtainSystem AnalystA practical look at the challenges of exposing local servers to the internet, and how we built a production-ready tunneling system using WebSockets and NestJS.
Read moreNived HariSystem AnalystA practical introduction to LangChain’s Deep Agents—exploring planning, memory, iterative workflows, subagents, and how this framework enables long-horizon AI reasoning.
Read moreSyed SibtainSystem AnalystIn Part 2, we dive deep into the Sync-Out pipeline—how Rails publishes events to Kafka, how our legacy adapter writes to SQL Server 2009 using TinyTDS, and how Dead-Letter Queues (DLQs) became our lifeline during production incidents. This post covers transaction management, service objects, and operational workflows for handling failures.
Read moreSyed SibtainSystem AnalystThis post breaks down our production architecture for event streaming in Rails using Kafka and Karafka—from designing producers and consumer flows to handling failures with DLQs and keeping warehouse databases in sync reliably.
Read moreSyed SibtainSystem AnalystThis blog provides a comprehensive explanation of the browser's layout engine, including formatting contexts, stacking, and compositing. It covers the key concepts and processes that enable the browser to render web pages efficiently and accurately.
Read moreSatya Swaroop MohapatraSenior System AnalystA comprehensive guide to implementing an OAuth proxy server for managing authentication across dynamic development URLs. Includes Rails implementation with Slack OAuth, middleware patterns, and solutions for ngrok, preview deployments, and PR review apps.
Read moreAdithya HebbarSystem AnalystSwasthik KLearn how to build your first RAG pipeline by combining HuggingFace embeddings, Pinecone vector search, LangChain orchestration, and Perplexity-powered responses.
Read moreAdithya Hebbar & Sujay PrabhuSystem Analyst • Senior System AnalystDiscover the need for LangGraph and how it powers reliable AI agents in JavaScript
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Mohammad hussainSystem AnalystThis blog explains how to set up and use Apache Kafka with a Rails application, covering cluster setup with Docker, topics and partitions, and integration using the Karafka gem.
Read moreMohammad hussainSystem AnalystDiscover how to get started with Apache Superset, a powerful open-source platform for modern data visualization and exploration. From setting up our environment to building interactive dashboards and leveraging advanced analytics, this guide walks us through everything we need to unlock deeper insights from our data
Read moreMohammad hussain & Syed SibtainSystem Analyst • System AnalystLearn how to set up and use Metabase, the open-source business intelligence platform that transforms your data into actionable insights. This comprehensive guide covers installation, dashboard creation, and advanced analytics features...
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Sachin KabadiSystem AnalystThis guide provides a step-by-step process for administrators who want to streamline client-role-based access management in their Keycloak setup and access user roles from access token in rails app.
Read moreNived HariSystem AnalystNitturu BabaSystem AnalystLearn how to use the create-component package to instantly convert Figma designs into static UI components for React, Next.js, Vue, Angular, and more—styled with Tailwind CSS. This guide covers setup, design rules, conversion from design to code, and best practices for rapid, consistent UI development.
Read moreMohammad hussainSystem AnalystThis guide explains how to configure Google as an identity provider in Keycloak and allow users to log in only with Google..
Read morePuneeth kumarSystem AnalystDiscover TimescaleDB, a special type of database that's great at handling time-based data like sensor readings, website traffic, or stock prices. Learn how it helps to store and analyze large amounts of time-stamped information quickly and efficiently, making it perfect for modern applications that track data over time.
Read moreSujay PrabhuSenior System AnalystLearn how Rails Inflector handles singular and plural forms with customizable rules
Read moreSatya Swaroop MohapatraSenior System AnalystLearn the fundamentals of Stimulus, the lightweight JavaScript framework that complements Hotwire. Start with the basics and build your understanding step by step.
Read moreMohammad hussainSystem AnalystThis blog explains how to configure Auth0 actions, specifically focusing on using the Post-Login action to restrict access based on the user's email domain during social logins, such as with Google.
Read moreNitturu BabaSystem AnalystDiscover how AI orchestrators, agents, and tools work together to automate workflows, enabling AI to interact with real-world systems efficiently. Learn how this structured approach enhances productivity and reduces manual effort.
Read moreNitturu BabaSystem AnalystSupercharging AI with Tool Calling in NestJS Using AI-SDK
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Aditya VishwakarmaSystem AnalystA comprehensive guide to understanding the Rails Asset Pipeline, its features, and its role in modern web development.
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Aman SuhagSystem AnalystSujay PrabhuSenior System AnalystExplore how to implement Row Level Security (RLS) in Postgres
Read moreSachin KabadiSystem AnalystThis guide walks you through setting up Keycloak locally using Docker, creating a realm, user, client and integrating Keycloak with a Rails application using the omniauth-keycloak gem for single sign-on (SSO).
Read moreSujay PrabhuSenior System AnalystAdithya HebbarSystem AnalystAdithya HebbarSystem Analyst
Anujeet SwainSystem AnalystExplore how TanStack React Query simplifies server state management in React applications, covering topics such as caching, deduplication and state syncronization.
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GiritharanSystem AnalystThis blog explains how to organize ActiveRecord models into a tree structure using the Ancestry gem in Rails to manage parent-child hierarchical structures. It covers the setup, features, and querying methods that make managing hierarchical data both simple and efficient.
Read moreAdithya HebbarSystem AnalystLearn the steps and implementation of a passwordless authentication flow using AWS Cognito and custom Lambda functions.
Read moreGiritharanSystem AnalystA comprehensive guide to database connections in Rails. Learn about configuring credentials, establishing TCP connections, setting session parameters, managing authentication, and optimizing performance with connection pooling. Understand how to ensure efficient communication between your Rails application and the database.
Read moreAdithya HebbarSystem AnalystA detailed guide on converting a React app to native Android and iOS apps using Capacitor.js.
Read moreSatya Swaroop MohapatraSenior System AnalystA detailed guide to Hotwire in Rails exploring turbo-drive, turbo-frames and turbo-streams. Learn how to build blazing-fast applications with real-time updates without full page reloads.
Read moreSujay PrabhuSenior System AnalystDiscover the evolution from Rails Classic autoloader to the dynamic Zeitwerk.
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Rishav RajSystem Analyst
Vaibhav YadavSenior System AnalystA detailed guide on integrating NextJS with Contentful, utilizing i18n for internationalization and Contentful's Content Delivery API for content management.
Read moreRishav RajSystem AnalystSyed SibtainSystem Analyst
Mahesh BhosleDevOps EngineerExploring way to run Github actions locally with act.
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Ayush SrivastavaSystem AnalystA look at how to create, manage, and utilize custom actions in various workflows, including login/post-login, machine-to-machine, password reset, pre and post-user registration, and sending phone messages.
Read moreRishav RajSystem AnalystAshwani Kumar JhaSenior System AnalystExplore Next.js data fetching strategies for efficient page rendering and performance. From pre-rendering, server-side rendering, to static-site generation to incorporating time-based and on-demand revalidation for real-time updates.
Read moreSatya Swaroop MohapatraSenior System AnalystLearn how to optimize your development workflow by automatically setting up preview environments in fly.io whenever a pull request is opened. This blog post provides step-by-step guidance on configuring a preview app and a preview db in fly.io.
Read moreSachin KabadiSystem AnalystGuide to Setting Up AWS S3 Bucket for Rails Active Storage File Uploads
Read moreAshwani Kumar JhaSenior System AnalystDive into Server Actions in Next.js 14. This post covers everything from syntax and setup to dynamic content updates, learn about form submission handling, network requests, and strategies for seamless user experiences.
Read moreAyush SrivastavaSystem AnalystConcepts and techniques of caching, a vital strategy for enhancing the performance of software systems.
Read moreSyed SibtainSystem AnalystCompare npm, Yarn, and pnpm effortlessly for smarter package management decisions
Read moreSyed SibtainSystem AnalystExperience unparalleled performance, rich rendering, and full TypeScript support with the GlideApps Data Grid React package.
Read moreSujay PrabhuSenior System AnalystExplore Streams in Dart, their types, creation techniques, and best practices for seamless asynchronous event handling.
Read moreSujay PrabhuSenior System AnalystExplore the essentials of asynchronous programming in Dart, from Isolates to Async/Await, and unravel the secrets of efficient, non-blocking code execution.
Read moreSyed SibtainSystem AnalystExplore a comprehensive guide to Internationalization (i18n) in web development, including its significance, implementation in React and Gatsby, advantages, performance considerations, and optimization
Read moreSyed SibtainSystem AnalystDiscover the potential of CMS for managing websites; it's user-friendly, economical, and SEO-friendly.
Read moreSyed SibtainSystem Analyst
MehrukhSystem AnalystA comprehensive guide for understanding the basic concepts of px, em, and rem units. Also learn about Tailwind config and how to use Figma's developer mode to close the gap between designers and developers.
Read moreAshwani Kumar JhaSenior System AnalystUnderstand the Terminal, and its importance. Explore basics like opening tabs, listing files, navigating, and running commands. Master file operations, file viewing, searching, and much more.
Read moreVaibhav YadavSenior System AnalystRishav RajSystem AnalystAutomate OTP verification using the gmail-tester library in combination with Cypress and Playwright E2E tests
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Mainak DasSenior System AnalystSujay PrabhuSenior System AnalystSyed SibtainSystem AnalystSatya Swaroop MohapatraSenior System AnalystSimplify your testing journey by comparing the strengths and weaknesses of Playwright and Cypress, and discover the testing tool that perfectly aligns with your needs.
Read moreSujay PrabhuSenior System AnalystAshwani Kumar JhaSenior System AnalystAyush SrivastavaSystem AnalystUnderstanding the key differences between rendering methods for Single Page Applications
Read moreSyed SibtainSystem AnalystUnderstanding how JavaScript works behind the scenes and handles asynchronous functions
Read moreJawakar Durai & Syed SibtainSystem AnalystBuilding and scaling a design system with Figma, React and Storybook
Read moreAn attempt to put together some debugging experiences, techniques and tools for frontend
Read moreSyed Sibtain & Jawakar DuraiSystem AnalystAn amazing alternative solution to websockets
Read moreSyed Sibtain & Jawakar DuraiSystem AnalystUnderstanding and examining the pros and cons of the parallax scrolling strategies that can be used
Read moreFetch secrets from AWS secrets manager and inject them securely into your Github actions
Read moreSujay PrabhuSenior System AnalystSujay PrabhuSenior System AnalystMaking requests to Strapi endpoints as an authenticated user
Read moreDeploying to Netlify from a private, self-hosted GitLab instance
Read moreSujay PrabhuSenior System AnalystVaibhav YadavSenior System AnalystSatya Swaroop MohapatraSenior System AnalystSetup and write test cases in react using Jest and React testing library
Read moreSujay PrabhuSenior System AnalystRedis can be used as an LRU cache with right kind of eviction policy. We can have some fun figuring out how this actually works
Read moreFetch movie rating from several API without hitting rate limits on failure retries
Read moreSujay PrabhuSenior System AnalystWays of implementing keys and cases in which index can be used as key and vice-versa
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Ananth KamathSystem AnalystUnderstand some of the scenarios of deploying a Phoenix application using Elixir Releases
Read moreA deep dive into RubyGems internals, gem anatomy, and how gem packaging enables distribution and installation.
Read moreLearn to solve a business use case with Elixir Recursion
Read moreAnanth KamathSystem AnalystAnanth KamathSystem AnalystLearn how to encrypt & store Kubernetes secrets in Git
Read moreBuild a full-blown GraphQL service which will let you query, change and create records in the database using elixir's web framework
Read moreBuild a full-blown GraphQL service which will let you query, change and create records in the database
Read moreUse web workers to spawn computationally expensive background tasks without interrupting the user interface workflows
Read moreLearn to overlap an image over QR code using Mogrify in Elixir
Read moreApproaches for clean rails translation files as application grows
Read moreAdopting and incorporating a gradual type system for Ruby
Read moreLearn to switch an existing Phoenix app from Brunch to Webpack
Read moreLearn about KeyError#receiver which returns receiver associated with the KeyError object & KeyError#key returns the key which caused the exception
Read moreLearn about options which Expection#full_message accepts
Read moreMake better authorization for your application.
Read moreIntroducing Interceptor - A browser extension that mocks backend responses and how to use it.
Read moreLearn how to connect to a production Elixir node from the local shell and use the debugger GUI to set breakpoints and debug.
Read moreYuvaFounder & CTODeploy Elixir/Phoenix apps using Distillery plugin
Read moreYuvaFounder & CTOSupporting API conventions for client like reactjs can be quite tricky. This post talks about approach to make APIs accessible using snakecase or camelCase.
Read moreDeploying a Rails app with Webpack asset management on Heroku can be tricky. However, Heroku provides lifecycle hooks on its NodeJs buildpack that will help make this easier.
Read moreErlang is a powerful concurrent programming language that has Processes as a first class citizen. These are isolated by default. Just like in Unix, these processes can communicate using Signals. In this post we will see how to achieve that in Elixir.
Read moreElixir, built on the battle-tested Erlang VM, is a language that has concurrency as its core ideas. I will introduce a monitoring utility shipped with the VM that helps us visualize HTTP requests.
Read moreRails 5 has a new feature added to ActiveRecord that makes working with batch data much more efficient. The `Model.in_batches` function passes a batch of records wrapped inside an ActiveRecord collection.
Read moreAutoprefixer is a tool that adds vendor prefixes to CSS based on the usage patterns and current state of support. This results in clean code and smaller CSS files.
Read moreRuby's TracePoint API is very powerful for building custom profilers. As the final post of the DIY CPU profiler series, this post will introduce how to get method runtime statistics and generate relevant graphs.
Read moreRuby's TracePoint API is very powerful for building custom profilers. In this post I will talk about hooking into Ruby code execution life cycle using this API
Read moreRuby's TracePoint API is very powerful for building custom profilers. In this post I will talk about Wall time and CPU time, and how to measure them for Ruby programs.
Read moreRuby's TracePoint API is very powerful and allows us to write custom profiling code without slowing down the execution of programs. In this post, I will introduce CPU profiling and 2 strategies to write one.
Read moreYuvaFounder & CTOJSON schema can help bring order to handling complex JSON interactions in APIs. For instance, you can avoid checking the types of incoming JSON and rely on JSON schema to do the validation. This post talks about similar usecases.
Read moreYuvaFounder & CTOInteracting with complex web forms tends to become hairy pretty quickly. Using Form or Service objects to abstract out the complexity can help wrangle complexity. This post talks about how we use them to make code simpler.
Read moreThere is a proliferation of high resolution screens on mobile devices, and non-optimized images tend to look ugly on them. This post introduces ways to use optimized images for use in HTML on high DPI screens.
Read moreYuvaFounder & CTOIn this post, I will talk about how Rails 3.x reloads code in the development environment.
Read moreYuvaFounder & CTOInvoker is a utility we wrote to ease setting up of local development environments and top level .dev domains. Read on to know how to use it.
Read moreYuvaFounder & CTOYuvaFounder & CTOThis post talks about using the Backbone library with a Rails backend, and goes through some challenges and gotchas encountered during the process.
Read moreYuvaFounder & CTOYuvaFounder & CTOA nearly step-by-step guide to upgrade to Mountain Lion, and setting up a Ruby development environment
Read moreThe problem with kitchen sink libraries is feature creep. Sometimes all we need are small libraries that are easily readable.
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