Using AWS S3 with Rails ActiveStorage for File Uploads

Guide to Setting Up AWS S3 Bucket for Rails Active Storage File Uploads

Diving into the internals of Gem packaging

Sorbet - A static type checker for Ruby

Adopting and incorporating a gradual type system for Ruby

Ruby 2.6 KeyError#initialize accepts message, receiver, and key as arguments

Learn about KeyError#initialize method which accepts :message, :receiver and :key as options to set message, receiver and key on KeyError object.

Ruby 2.5 adds KeyError#receiver and KeyError#key

Learn about KeyError#receiver which returns receiver associated with the KeyError object & KeyError#key returns the key which caused the exception

Ruby 2.6 added options to Exception#full_message

Learn about options which Expection#full_message accepts

Frozen middleware with Rack freeze

Learn about freezing middleware with rack-freeze

RubySpec for Tracepoint

Learn more about ruby by contributing to RubySpec

DIY Ruby CPU profiling - Part IV

Ruby'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.

DIY Ruby CPU profiling - Part III

Ruby'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

DIY Ruby CPU profiling - Part II

Ruby'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.

DIY Ruby CPU profiling - Part I

Ruby'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.

An Introduction to JSON Schema

JSON 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.

Random Ruby tips from trenches #1

Setting up Emacs as Ruby development environment on OSX

Introducing Invoker - Manage processes in development envionment

Invoker 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.

Profile Ruby 2.0 apps using DTrace - part 2

Ruby 2.0 and above has in-built support for DTrace hooks. This lets us profile Ruby programs. In this post, I'll go into the details of the features of DTrace.

Vim tab completion for RubyMotion

Profile Ruby 2.0 apps using DTrace - Part 1

Ruby 2.0 and above has in-built support for DTrace hooks. This lets us profile Ruby programs. In this post, I'll introduce DTrace and how to add DTrace probes to a Ruby program.

Bundler: Cleanup old unused gems

Upgrading to Mountain Lion and your development environment

A nearly step-by-step guide to upgrade to Mountain Lion, and setting up a Ruby development environment

The kitchen sink libraries

The problem with kitchen sink libraries is feature creep. Sometimes all we need are small libraries that are easily readable.