Dec 15, 2021Array Algorithm: Rotate an imageAn image representing as a 2D matrix. You can take some time to read the problem: You are given an n x n 2D matrix representing an image, rotate the image by 90 degrees (clockwise). You have to rotate the image in-place, which means you have to modify the input…Algorithms3 min readAlgorithms3 min read
Dec 3, 2021Thoughts on testing in a distributed systemDisclaimer: I’m talking about what I know; from my experience, this is not the “best practice”; it is what I think of as the right way to do the testing in a distributed system. A distributed system is a system spread across multiple servers on the network. Together it will…Distributed Systems4 min readDistributed Systems4 min read
Nov 22, 2021Tame the wild horse WindowsThis is my third attempt at migrating the dev environment from Mac to Windows. I used to develop on Mac for 5 years. With all my muscle memory on keymaps, productivity tools, and the general UX is stick to Mac, I can’t think of moving to another OS, until the…Wsl5 min readWsl5 min read
Nov 26, 2020Steps to solve a problemProblems in software come in many kinds, it can be a user story, a bug, a discussion. As a developer, our job is solving problem day-to-day, but we rarely think of how we solve it as the process. Here I will jot down somethings from my experience. 1. Define the problem The problem should…Agile3 min readAgile3 min read
Nov 20, 2017Kỷ niệm 10 năm chơi DotaKỷ niệm 10 năm chơi Dota Cách tốt nhất để cai nghiện một game của Blizzard là chơi một game khác của Blizzard. Tôi có hai đứa bạn thân từ hồi cấp ba và một thằng em trai. Năm hết tết đến, mỗi dịp gặp nhau chúng tôi lại dành…5 min read5 min read
