MySQL - finding out slow queries

 SELECT * FROM `mysql`.slow_log ORDER BY query_time DESC;

Rails - present? vs any?

 https://www.ombulabs.com/blog/benchmark/performance/rails/present-vs-any-vs-exists.html

Rails Refactoring Example: Introduce Null Object - 2012

https://thoughtbot.com/blog/rails-refactoring-example-introduce-null-object 

Similar good Rails articles at - https://thoughtbot.com/blog

Rails: rendering collections

 https://thoughtbot.com/blog/rendering-collections-in-rails

Elixir - rexbug - for debugging

https://hexdocs.pm/rexbug

https://twitter.com/codiferouscoder/status/1507831451521359878?s=21

Rails - Token based authentication

https://api.rubyonrails.org/classes/ActionController/HttpAuthentication/Token.html

https://twitter.com/strzibnyj/status/1507771674455908366?s=21

Ruby on Rails SaaS Framework

 https://bullettrain.co/

grep - exclude strings

 https://stackoverflow.com/questions/16212656/grep-exclude-multiple-strings

Elixir Desktop - iOS example

 https://github.com/elixir-desktop/ios-example-app

Rails - mattr_accessor example

 https://twitter.com/julian_rubisch/status/1506322755960119296?s=21

User notifications with Rails, Noticed, and Hotwire

https://www.colby.so/posts/user-notifications-with-rails-noticed-and-hotwire

Same article here also - https://dev.to/davidcolbyatx/user-notifications-with-rails-noticed-and-hotwire-39ga

Capybara - RSpecs

https://devhints.io/capybara

https://rubydoc.info/github/jnicklas/capybara/Capybara/RSpecMatchers

https://www.rubydoc.info/github/jnicklas/capybara/master/Capybara/Node/Matchers

https://guides.rubyonrails.org/testing.html#system-testing

NativeBase - Universal Components for React & React Native

 https://nativebase.io/

Tailwind Standalone for Phoenix

 https://fly.io/phoenix-files/tailwind-standalone/

Rails Hotwire/Turbo examples

https://github.com/thoughtbot/hotwire-example-template 

SQL Tutorial for MySQL

https://www.mysqltutorial.org/

https://www.mysqltutorial.org/tryit/

SQL Window functions

https://www.sqltutorial.org/sql-window-functions/

https://www.mysqltutorial.org/mysql-window-functions/

Mathematics for Machine Learning

 https://mml-book.github.io/

Petal UI components

 https://petal.build/

sed command example

 https://stackoverflow.com/questions/71318743/kubectl-versions-error-exec-plugin-is-configured-to-use-api-version-client-auth

Below command will take a backup of the file and substitute v1alpha1 with v1beta1

sed -i .bak -e 's/v1alpha1/v1beta1/' ~/.kube/config

React Native project - Sep 19 2021

  Build Uber Eats with React Native & YELP API | Redux | Firebase | Google API

React Native project - Jul 30, 2021

Let's build Uber 2.0 with REACT NATIVE! (Navigation, Redux, Tailwind CSS & Google Autocomplete)  

Rails improvements in 2021 - DHH

 https://world.hey.com/dhh/no-railsconf-faa7935e

Solid.js

 https://www.reddit.com/r/programming/comments/t3wwt6/solidjs_feels_like_what_i_always_wanted_react_to/

A Case Study into Usage of Redis Data Structures in an E-Commerce Application

 https://medium.com/geekculture/a-case-study-into-usage-of-redis-data-structures-in-an-e-commerce-application-afdc5daaf1d9

The Complete React Native Course 2021 : from Zero to Hero

 

React Native Tutorial for Beginners - Build a React Native App [2020]

 

Checklist app in SwiftUI using Core Data

Checklist app in SwiftUI using Core Data - Part 1

Jul 19, 2021

https://www.youtube.com/watch?v=6qtUL8Qgmcw

Checklist app in SwiftUI using Core Data - Part 2

Jul 21, 2021

https://www.youtube.com/watch?v=4RJrHbk-VgE

Build a macOS Menu Bar Realtime Crypto Tracker with SwiftUI & WebSocket - Feb 4, 2022

 

SwiftUI Basic Components

 https://betterprogramming.pub/swiftui-basic-components-ac2c62dc7b95

New CSS features in 2022

 https://www.smashingmagazine.com/2022/03/new-css-features-2022/

Tech Interview Prep

 https://aikikode.me/blog/interview-preparation-2022/

SwiftUI - Alternative to MVVM OR cleaner MVVM

 

iOS related: UI Design for Developers

https://www.youtube.com/playlist?list=PLDaHCLWmCcQLvG6AOpw5VxopkBKIcH9m7 

Above needs subscription 

Adapt SwiftUI app for iPad, Landscape, and Dark Mode