JavaScript heap out of memory

October 03, 2020

If you are getting below “Javascript heap out of memory” error when deploying your serverless project, try to run below command first before…

In memory of my wife

August 28, 2020

My wife, Haijie Liu, suddenly passed away on Aug 28 2020 after suffering couple months of depression. Only then I realized she was the angel…

Access token vs Refresh token

July 01, 2020

Recently in one of my project I need to secure my REST API using JWT. Most of my previous projects were using serverless architecture and I…

What's SSL VPN?

April 11, 2020

An SSL VPN is a type of virtual private network that uses the Secure Sockets Layer protocol — or, more often, its successor, the Transport…

Twilio SIP Trunking 408 Issue

November 20, 2017

Today when I worked on a new Freeswitch server and tried to configure the SIP truncking with Twilio, I found out that I can recieved call…

Pi Zero W Headless setup

November 07, 2017

Today I received a Pi Zero W which I ordered last week from adafruit. Sweet! So I start playing with it. As a long time Raspberry pi player…

Hello World

November 06, 2017

Finally I start blogging! This is not a simple blog but a blog powered by the so called latest technologies: react, gatsby, S3, CloudFront…