At present, I have over six years of experience as a Software Engineer, most of which has been spent at WSO2, a middleware company based in Sri Lanka. I spent four and a half years working as a full-time professional at WSO2, and an additional six months as an intern. I am frequently asked about […]

Ballerina is an open source programming language developed by WSO2. It is currently a java based language. I have been part of the Ballerina team for about four years and having worked on several areas I am currently in the runtime team. We have two sub teams, one works on the ballerina compiler front end […]

This is a detailed explanation on how Gateway can be used for remote development in Jetbrains IDEs. It teaches you from creating a cloud desktop, to installing Gateway locally and running intellij IDE on the cloud machine. Ueful links: Remote development in Jetbrains IDEs using projector (Intellij) : https://youtu.be/Yg3quJAKlgs Gateway website: Jetbrains Toolbox app: https://www.jetbrains.com/toolbox-app/ […]

This is a detailed explanation on how Projector can be used for remote development in Jetbrains IDEs. It teaches you from creating a cloud desktop, to installing projector on it to using tmux to run it as a separate session. Ueful links: Projector website: https://lp.jetbrains.com/projector/ Jetbrains Toolbox app: https://www.jetbrains.com/toolbox-app/ AWS instance usernames: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/connection-prereqs.html#connection-prereqs-get-info-about-instance Install java […]

As I have shared in my previous post, after successfully completing the phone interview I was invited for the on site interview. In this post I plan to write only the overall process of getting to the interview. Here I am not sharing the materials that I used for the interview. This is because when […]

I have always wanted to apply for Google. I have been thinking I will come to a lead position in my current job and apply for Google probably by the following year. I had no idea you need to practice on leetcode to apply for Google nor did I have any idea about “Cracking the Coding interview(CtCI)” […]

This is a detailed tutorial on how to customize and show the git branch name on your zsh terminal in MacOS or Linux. Watch in HD for better clarity.  Get the git-prompt.sh from here Tutorial on customizing and colorizing zsh is here The final command generated is as follows: source ~/git-prompt.sh setopt PROMPT_SUBST ; PS1=’%F{cyan}%~%f%B%F{yellow}$(__git_ps1 […]

Let us first understand what code points and surrogate pairs refer to: Quoted from the Javadoc for the class java.lang.Character: The char data type (and therefore the value that a Character object encapsulates) are based on the original Unicode specification, which defined characters as fixed-width 16-bit entities. The Unicode Standard has since been changed to […]

This is a detailed tutorial on how to customize and show the git branch name on your bash terminal in Ubuntu, Linux or MacOS. Watch in HD for better clarity Get the git-prompt.sh from here: https://github.com/git/git/blob/master/contrib/completion/git-prompt.shTutorial on customizing and colorizing bash-prompt: https://www.howtogeek.com/307701/how-to-customize-and-colorize-your-bash-prompt/ Subscribe to my channel: https://bit.ly/riyafa The final command generated is as follows: Be […]

matchExpressions is a more expressive label selector in Kubernetes and supports support set-based matching unlike the matchLabels which can only be used for exact matching. This can be used with or without the matchLabels selector. The resources, such as Job, Deployment, ReplicaSet, and DaemonSet, support matchExpressions. Additional expressions to the selector can be added. As in the example, each expression […]