$$ \newcommand{\dint}{\mathrm{d}} \newcommand{\vphi}{\boldsymbol{\phi}} \newcommand{\vpi}{\boldsymbol{\pi}} \newcommand{\vpsi}{\boldsymbol{\psi}} \newcommand{\vomg}{\boldsymbol{\omega}} \newcommand{\vsigma}{\boldsymbol{\sigma}} \newcommand{\vzeta}{\boldsymbol{\zeta}} \renewcommand{\vx}{\mathbf{x}} \renewcommand{\vy}{\mathbf{y}} \renewcommand{\vz}{\mathbf{z}} \renewcommand{\vh}{\mathbf{h}} \renewcommand{\b}{\mathbf} \renewcommand{\vec}{\mathrm{vec}} \newcommand{\vecemph}{\mathrm{vec}} \newcommand{\mvn}{\mathcal{MN}} \newcommand{\G}{\mathcal{G}} \newcommand{\M}{\mathcal{M}} \newcommand{\N}{\mathcal{N}} \newcommand{\S}{\mathcal{S}} \newcommand{\diag}[1]{\mathrm{diag}(#1)} \newcommand{\diagemph}[1]{\mathrm{diag}(#1)} \newcommand{\tr}[1]{\text{tr}(#1)} \renewcommand{\C}{\mathbb{C}} \renewcommand{\R}{\mathbb{R}} \renewcommand{\E}{\mathbb{E}} \newcommand{\D}{\mathcal{D}} \newcommand{\inner}[1]{\langle #1 \rangle} \newcommand{\innerbig}[1]{\left \langle #1 \right \rangle} \newcommand{\abs}[1]{\lvert #1 \rvert} \newcommand{\norm}[1]{\lVert #1 \rVert} \newcommand{\two}{\mathrm{II}} \newcommand{\GL}{\mathrm{GL}} \newcommand{\Id}{\mathrm{Id}} \newcommand{\grad}[1]{\mathrm{grad} \, #1} \newcommand{\gradat}[2]{\mathrm{grad} \, #1 \, \vert_{#2}} \newcommand{\Hess}[1]{\mathrm{Hess} \, #1} \newcommand{\T}{\text{T}} \newcommand{\dim}[1]{\mathrm{dim} \, #1} \newcommand{\partder}[2]{\frac{\partial #1}{\partial #2}} \newcommand{\rank}[1]{\mathrm{rank} \, #1} $$

Japan Photo Essay: Kanto and Kansai

To much to talk about, not enough time and space... So let's digest Japan bit by bit, starting with two of the most popular regions first: Kanto and Kansai.

Scrapy as a Library in Long Running Process

Scrapy is a great web crawler framework, but it's tricky to make it runs as a library in a long-running process. Here's how!

Hong Kong, a Photo Essay

High rising skyscrapers and unspoiled nature; China but not China

Kota Kinabalu, a Photo Essay

Jungle, sea, small town, and seafood in 14 days.

SCUBA Diving in Kota Kinabalu

Kota Kinabalu, the capital of Sabah, Malaysia, offers such a great diving spot!

Pyongyang Restaurant: The Epicenter of North Korean Delicacies

Got enough of Korean food? How about trying something different, like North Korean food?

Borobudur Temple

I've got a chance to be there again after more than 15 years. Time passed, things changed. How's Borobudur now in the eye of my adult-self?

Three Months of Nomading: Retrospective

What's working and what will I do differently for the next leg.

Great Coffee Shop in HCMC

Perfect place to sit and work for hours.

Foods Around Ho Chi Minh City

More than a week in HCMC, I've got enough samples of foods to share.