Posts

• 02 Jun 2020

  CKA exam guide

  CKA specific pointers. Does not overlap with my CKAD guide.
• 02 Jun 2020

  CKAD exam guide for experienced k8s users

  Useful kubectl commands and knowledge for the CKAD exam
• 01 Jun 2020

  CKAD / CKA exam tactics

  Non curriculum related exam tactics for CKAD / CKA
• 20 Feb 2018

  Vim abbreviations for a specific file

  How to have vim abbreviations that apply to a specific file
• 20 Feb 2018

  How to disable Control Q on Firefox 57

  NOTE: This applies to Firefox 57 on Linux. Open a new tab and type about:config in the address bar and press enter You...
• 11 Feb 2018

  My notes / cheatsheet on the top program

  Over the last week, I have been spending some of my free time learning how to use the top program. These are some notes ...
• 09 Dec 2017

  Haskell deep dive: zsh-git-prompt

  In How To Become A Hacker, Eric S. Raymond gives the following golden advice: Learning to program is like learning to w...
• 09 Dec 2017

  How to install zsh-git-prompt

  This post shows you how to install zsh-git-prompt, a program which customizes the zsh prompt by displaying additional in...
• 26 Nov 2017

  Using Swagger UI with any codebase

  This post shows you how to use Swagger UI with any codebase. There are no library dependencies once you extract the asse...
• 27 Sep 2017

  How to use GPG to encrypt stuff

  You want to exchange a message / file securely with another party and do not want anyone else to look at the information...
• 11 Aug 2017

  The best way to install python on Mac OS X

  NOTE: This post is pretty much opinion based on my own experience. Also take note of the date it was written because thi...
• 10 Aug 2017

  Haskell: demystifying composing compose with compose

  Problem Statement Figure out the type of the following Haskell code, why it has that type, and what it does: (.) . (.) S...
• 02 Jul 2017

  haskell-vim-now / ghcmod-vim: Resolving 'ghcmod#command#type Cannot guess type' errors

  NOTE: This post features a very hacky way to work around things which will likely never be merged into the ghcmod-vim pr...
• 01 Apr 2017

  Reproducing "What Programming Languages Are Used Most on Weekends?"

  reproducing-what-programming-languages-are-used-most-on-weekends /*! * * Twitter Bootstrap * */ /*! * Bootstrap v3.3....
• 15 Feb 2017

  Analysis of the Adult data set from UCI Machine Learning Repository

  uci-ml-adult-dataset /*! * * Twitter Bootstrap * */ /*! * Bootstrap v3.3.7 (http://getbootstrap.com) * Copyright 2011-...
• 01 Feb 2017

  My first Machine Learning project: Using Naive Bayes to classify tweets

  Source code: https://gist.github.com/yanhan/d9061c9575d14228d2a9ecc9519a55aa Before we go into the main content of this ...
• 01 Aug 2016

  My notes on: Job Bouwman's answer to "What is the toughest question ever asked in any interview?"

  A while back, this answer by Job Bouwman appeared in my Quora digest and I enjoyed reading it (Thank you Job!) so much t...
• 10 Apr 2016

  How to prevent mpd from starting on boot on Ubuntu 14.04

  mpd refers to the Music Player Daemon, whose official website is at https://www.musicpd.org/ TLDR On the command line, r...
• 25 Dec 2015

  On the Unofficial Bash Strict Mode by Aaron Maxwell

  A few weeks ago, I chanced upon a blog post by Aaron Maxwell of redsymbol.net, titled Use the Unofficial Bash Strict Mod...
• 12 Dec 2015

  Templating Ansible style YAML files with only variables

  Introduction Suppose you are working on a project in Ansible and you need want to combine some YAML files which contain ...
• 10 Nov 2015

  Creating a Vagrant base box: some important details

  If you have not done this before Instead of reinventing the wheel, I highly recommend that you read Nicholas Cerminara&r...
• 26 Oct 2015

  How to uninstall then install brew: a short adventure

  Roughly 2 weeks ago I was writing a Bash script to automate some stuff, one of them being installing brew. To test if th...
• 15 Sep 2015

  Note on Think Stats Exercise 5.13 Part 1 aka Using what I learnt in a Mathematical Statistics class

  NOTE: This post has been delayed by 2 weeks due to me falling sick on the week beginning 23 August. A lot of momentum or...
• 13 Aug 2015

  Note on Counting: Exercise 13.26 answer

  Similar to the last post, this is a short note detailing some of my thoughts to the answer to Exercise 13.26 in the book...
• 10 Aug 2015

  Note on Counting: Exercise 13.17 answer

  This is a short note detailing some of my thoughts to the answer to Exercise 13.17 in the book Counting, by Prof Koh Khe...
• 04 Aug 2015

  Note on Think Stats: Multiplying a Pareto random variable with x_m = 1 by a positive number - what do we get?

  NOTE: Having only a very basic and recently acquired formal education in Probability and Statistics, I have no idea how ...
• 25 Jul 2015

  How to install matplotlib using virtualenv on Ubuntu

  System Requirements This was done on a system with the following specifications: Lubuntu 14.04 (which is pretty much Ub...
• 23 Jul 2015

  Note on Think Stats: Given the PMF of a random variable X, compute the variance of X

  This week, I started using some free time to read Think Stats by Allen B. Downey. So far it’s been a pretty good b...
• 06 Jul 2015

  How to restore a deleted `arc feature` branch

  Updated: 17 July 2015 NOTE: There may be some (ok perhaps a lot of) mistakes with regards to Phabricator and Arcanist te...
• 24 Jun 2015

  My notes on: Is anyone aware of another method of deriving 1/2! without using the gamma function?

  NOTE: Sometimes I chance across brilliant answers to interesting Math questions on Quora and felt like rearranging and/o...
• 20 Jun 2015

  Bash stuff I recently encountered

  Last week, I’ve been working on my provision-ubuntu repository and getting it in a better shape to put in on Githu...
• 20 Jun 2015

  I'm back!

  Thoughts on getting back It’s been a while since I blogged here. To be exact, it’s been half a year since I&...
• 21 Dec 2014

  Why I dropped CS3216

  Primary reason - for CS1010S. Being a tutor for CS1010S takes up a lot of time. Didn’t want to shortchange my team...
• 09 Aug 2014

  What I hope to learn in CS3216

  CS3216, one of the two premier Software Engineering modules at the School of Computing, National University of Singapore...
• 15 Jun 2014

  Announcing: cljs-nusmods (alpha release)

  Update Dec 2017: This project is long dead. And it will stay dead. Like a lot of things I have built in the past, this i...
• 04 Apr 2014

  How to build the Storm client from source

  Introduction This article touches Storm 0.9.0.1 and should be relevant for 0.9.x releases. If you’re facing proble...
• 25 Mar 2014

  How to setup the storm-starter repo

  Just today, I have faced an issue which took up (wasted) several hours of my time in a rather painful way, so I thought ...
• 04 Mar 2014

  GPG - How to trust an imported key

  Recently I’ve faced this problem when trying to encrypt a file using my own gpg key, created on another machine an...
• 04 Mar 2014

  How to solve "cabal: Codec.Compression.Zlib: premature end of compressed stream" - the easy but time consuming way

  TLDR If you are already extremely frustrated by this problem, the solution is just: cd ~/.cabal/packages/hackage.haskell...
• 31 Dec 2013

  Year 2013: Top 10 Reads

  After seeing Michael Fogus’ review of year 2013 , I was inspired to do a similar, but less ambitious review, just ...
• 23 Dec 2013

  On CoffeeScript Mixins

  CoffeeScript offers some rather nice improvements over JavaScript. One feature which I personally find very useful is th...
• 22 Dec 2013

  cabal - installing test dependencies

  Update Dec 2017: Dear reader, this post was written in a time when Stack did not exist and Haskell users had to deal wit...
• 13 Dec 2013

  Vim: Install Solarized on Mac OS X

  Today, I finally got sufficiently irritated about the color Vim uses to display comments in Ruby (on a Mac OS X system),...
• 30 Nov 2013

  Using cabal sandbox libraries

  Update Dec 2017: Dear reader, this post was written in a time when Stack did not exist and Haskell users had to deal wit...
• 16 Oct 2013

  Github Pages - A short tutorial

  Github pages is a platform for you to publish a static web page about your open source project(s) on Github. Good exampl...
• 16 Oct 2013

  Algorithms Presentation @ General Hackers, 11 Oct 2013

  Shortly before the end of my internship at BillPin, I was introduced to Calvin Cheng. I was told that Calvin is a founde...
• 06 Oct 2013

  A short note on testing

  I was writing some tests using the testthat package for R, and got this when I ran the test file: which is pretty good m...
• 27 Aug 2013

  A very long AngularJS tutorial

  Update Dec 2017: Dear reader, this post was written in 2013 and covers Angular JS 1.0, which is very ancient. In case yo...
• 21 Aug 2013

  Hello World!

  This has been in my waiting list for at least 1 year. Today, I finally start my own blog, my little corner on the Intern...