Technical Blog

ruby

9 Jun 2025

Ruby different forms of respond_to? have different behaviors

Vishal Zambre

6 min read

Ruby’s respond_to? method is a powerful tool for checking whether an object can respond to a particular method call. However, many Ruby developers aren’t aware...

#ruby #tech

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rails

2 Jun 2025

Rails Anycable setup with dockerise

Vishal Zambre

18 min read

Setting up AnyCable with Rails using Docker: A Complete Guide

#rails #anycable #docker +1 more

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rails

22 Jan 2025

Deploying Rails Applications to Heroku

Vishal Zambre

2 min read

Deploying Rails Applications to Heroku A Practical Guide for Students

#ruby #heroku #rails +1 more

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rails

22 Jan 2025

Protecting RSpec Mocks from Signature and Return Type Changes

Vishal Zambre

2 min read

Protecting RSpec Mocks

#ruby #rspec #rails

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rails

13 Sep 2024

Ruby on Rails Phusion passenger error

Vishal Zambre

1 min read

Problem

#ruby #nginx #rails +1 more

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git

10 Jun 2024

Github pre commit hook to validate commit message and description

Vishal Zambre

1 min read

To set up a Git pre-commit hook to validate the length of commit messages and descriptions, you can create a script that will be executed...

#git #devops

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go

20 Feb 2024

Go Installation and Uninstallation on Mac

Vishal Zambre

1 min read

Installation

#go #tech

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docker

4 Dec 2023

Build Multi Arch Docker Images

Vishal Zambre

2 min read

Build once and use anywhere

#docker #multi-arch #devops

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ruby-3.2.0

10 Feb 2023

Ruby in WebAssembly

Vishal Zambre

1 min read

There is an official Wasm build of Ruby. It supports WASI and a wide array of features.

#ruby #tech

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tech

13 Jan 2023

Caching in GitLab CI/CD

Vishal Zambre

1 min read

If you are using mutliple stages to the CI and each stage needs bundle install, cache bundle and just reuse it.

#gitlab #ci #ruby

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ruby-3.1.2

7 Nov 2022

Confusing behavior of File.dirname

Vishal Zambre

1 min read

If you are using File.dirname to get the directory path and delete and do some other processing on path, then make sure you consider below...

#ruby #tech

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sql

6 Nov 2022

SQL Style Guide and Best Practices

Vishal Zambre

11 min read

Data Team SQL Style Guide and Best Practices

#sql #snowflake

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rails-7.0.4

6 Nov 2022

Expression Indexes and Operator Classes support for PostgreSQL

Vishal Zambre

1 min read

Expression Indexes

#ruby #rails #tech

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elixir

9 Apr 2019

Ecto Custom Validation Elixir Phoenix

Vishal Zambre

1 min read

We often need to validate fields that are passed through a struct in Ecto Changesets. Custom validations are very straightforward to write and can be...

#elixir #tech

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ruby-2.4.0

24 Mar 2017

String supports Unicode case mappings

Vishal Zambre

1 min read

String/Symbol#upcase/downcase/swapcase/capitalize(!) now handle Unicode case mappings instead of only ASCII case mappings

#ruby #tech

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ruby-2.4.0

24 Mar 2017

String#concat, Array#concat and String#prepend Now takes multiple arguments.

Vishal Zambre

1 min read

Now String#concat, Array#concat and String#prepend String#concat # Before 2.4.0

#ruby #tech

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ruby-2.4.0

22 Mar 2017

Binding#irb Start a REPL session similar to binding.pry

Vishal Zambre

1 min read

Ruby 2.4.0 introduced new feature for debugging

#ruby #tech

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tech

21 Mar 2017

Free HTTPS Using Let’s Encrypt Certbot with NGINX

Vishal Zambre

2 min read

Let’s Encrypt is a new Certificate Authority which provides free SSL certificates (up to a certain limit per week). It came out of beta around...

#devops #nginx #ubuntu

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tech

20 Mar 2017

Jekyll Deployment using git hook

Vishal Zambre

1 min read

Sites built using Jekyll can be deployed in a large number of ways due to the static nature of the generated output. A one of...

#ruby #git #devops

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tech

19 Mar 2017

Install Ruby On Rails, Postgres, GitHub, Nginx with Passenger

Vishal Zambre

2 min read

To setup production environment with ruby, rails, nginx and passengeruse following steps one by one

#ruby #postgres #git +3 more

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