It was my first time to try Gitlab CI with docker runner configuration. The problem occurred when I tried to build an web application. I finally found the solution for it.

In upcoming JavaScript ES6 (EcmaScript 2015), they introduce new way to define variables by using let and const. As you may be know as JavaScript developer, we are already familiar with var. Let’s inspect them more.

Amazon SES (Simple Email Service) is a solution that Amazon provides for sending emails. This service encourages you to pay Amazon what you use, so you can use as much or as little email you like. The coding example below shows how to configure Amazon SES in Node.js.

When I was learning Ruby, I found that each, map and collect look alike but they aren’t. Let’s see what the different between them is. I will use irb to demonstrate it.

In my previous post, I talked about how to install postfix mail server on mac OSX. At that time, I used Gmail SMTP for sending the emails. This article will show you how to configure Mandrill SMTP for postfix.

In this article, I want to share how to make SNS and SQS get along. Before we move further, we have a main question. What is the difference between SNS and SQS? I took the description from Amazon documentation below.

Some PHP libraries that support internationalization depends on PHP intl extension. Somehow, intl extension is not installed by default. This article will show you how to install the intl extension. It has been tested well on OS X Yosemite with PHP 5.5.

Sinatra is a micro framework for Ruby. Different to Ruby on Rails, Sinatra has simplistic approach to develop web application. In this post, we will get started with Sinatra by learning about how to create routes and access URL parameters.

Playing sound in your iOS app is essential because it can add better user experience. This article will guide you how to play sound in Swift. In this case, we will use a class AVAudioPlayer from AVFoundation package. This class provides playback of audio data from a file or memory.

In this article, I’m going to share about how to use filter in controller in Angular JS. It is common to see filter used in view but apparently I found that in some conditions we need to use filter in controller. You have to know that in order to inject a filter, you need to […]