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KMKLabs

Raw Insert Query with ActiveRecord

These past days have taken me to a place that I need to learn more about executing a raw query, without relying on generated active record object (existing model classes). Last week, I wrote a lib, that I think, required me to wrote it with custom or raw query. My

Problem Using ActiveRecord #exists? In Eager Load Resultset

So few weeks ago i’ve got problem in a rails apps. New Relic reports about 500 error, where the main cause is accessing method in nil object. Here is code snippet, causing the error : [code language=”ruby”]class User < ActiveRecord::Base has_many :posts, -> { order “created_at DESC”

Menghubungkan Container Docker di Hardware yang Berbeda

Kalau ada yang bertanya, apakah memungkinkan saya menghubungkan docker container saya dengan container yang lain pada mesin / hardware / server yang berbeda ? Jawabnya tentu dan sangat mudah. Mari kita buatkan analoginya — container web application–++ Image Container Name : infra/web — container apps / cron / api–++ Image Container Name : infra/apps — container database–++ Image

Learning Devise for Rails is Out Now!

Learning Devise for Rails is Out Now!

It’s very exciting for me to announce that my very first book is out! Actually, I’m not the only author in this book, there are Giovanni Nugraha and Nia Mutiara whom I collaborate with to produce this great book. This book is about using devise in your rails