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Binary Tree Traversal — Breath first (Ruby)
Binary Tree Traversal — Breath first (Ruby)
In the past blog, We talked about a kind of tree data structure — Binary Tree, and we took a brief look at one of its basic usage, binary…
Derek Chen
Dec 2, 2018
Adding pagination to Rails API
When there are lots of data going through the backend API, pagination is here to help reduce backend loads. There are a few gems that…
Derek Chen
Nov 25, 2018
Data structure: Binary Tree (Ruby)
There are lots of data structure in computer science, such as list, set, stack, queue, graph, and tree. In this blog, let’s take a look at…
Derek Chen
Nov 18, 2018
Tools in web/mobile application continuous testing
Tools in web/mobile application continuous testing
A robust and “bug-free” web or mobile application is a god-send. Or is it? A through testing plan for application is a starting point of a…
Derek Chen
Nov 16, 2018
Deploy a React app on Github user page
Developing single page application using React is fun. Especially when the app we developed is so useful and we want to share our…
Derek Chen
Nov 16, 2018
Learn Python and QuantTrade with Quantopian
Learn Python and QuantTrade with Quantopian
Recently I stomp upon Quantopian website while searching information about quantitative analysis of the stock market and trading…
Derek Chen
Nov 16, 2018
Importing local images in react with webpack
Putting local files into website in react is easy with help of webpack modules: file-loader and url-loader. These two loaders are somewhat…
Derek Chen
Jul 17, 2018
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