Kevin Luo articles - 24 total
Limit your function calls with debounce
What is debounce? Debounce is a very interesting and important concept in programming. It...
How to do binary search for Ruby's array by #bsearch
We sometimes need to check if a value is included in an array. There are many methods to achieve...
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Some tips for making a ruby gem
I recently built a gem, https://github.com/kevinluo201/fx_rates, which is an API wrapper for a good...
Drawing Taiwan's Flag with CSS
I was impressed very much by @alvaromontoro's work Drawing...
Use Vue.js SFC in Rails
Introduction Rails Hotwire is good but sometimes you want to build a more reactive. Vue.js...
How to generate self-signed certificates for localhost
Introduction When we develop a website, we usually connect to our development server via ...
Dear AI, can you translate the Rails Guide for me?
TL;DR; I used ChatGPT API to translate the Rails Guide into different...
Delve deeply into Devise - Introduce all the Modules
Introduction If you're a Rails developer, I bet you have already heard of or used devise....
Set the value of datetime-local input field from an Date object
We can use datetime-local to let user enter a date-time string. Most browsers have already...
Building a simple authentication in Rails 7 from scratch
Introduction Ruby on Rails doesn't provide an official authentication solution despite...
Setup a basic authentication in Rails with HTTP Authentication
Introduction When speaking of authentication, devise is usually the go-to gem developers...
Setup very basic authentication with Devise in Rails 7
Introduction devise is the most popular gem in Rails for authentication. However, it's...
介紹 RSpec Request Spec
這次想介紹 RSpec 的 Request spec 什麼 Request spec? 為何推薦使用它？ Request spec 故名思義，是專門測 HTTP 請求的測試。一個...
Introduce RSpec Request Spec
I'd like to introduce what is RSpec Request spec, how to use it and why to use it. I will also share...
![[note]Rails HTTP Code and Symbol mapping](https://media2.dev.to/dynamic/image/width=1000,height=500,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F15rcthulxfju1l3bh3ny.png)
利用 systemd 在 Ubuntu 執行 Sidekiq 6
自從有了 Sidekiq 後，所有事情都變得容易了。 所有需要長時間執行的程式，我全往 sidekiq 扔，我再也不用怕 CloudFlare 的 524(請求超時) 了(咦?) 在...
Run Sidekiq 6 as daemon in Production environment on Ubuntu 20.04
I also have Traditional Chinese version 利用 systemd 在 Ubuntu...
用Github Actions 持續整合 Ruby on Rails
最近研究了一下用 Github Actions 做 Rails 的 CI ，分享一下經驗 : ) Github Actions 是 Github 的自動化工具。 Github Actions...
partial 的救贖？view_component 介紹
把前端封裝(encapsulation)是從 React.js 以來的趨勢， Github 前年受 React 啟發表了一個 view_component 的 gem， 並用在 Github 裡。 不...
Web 傳輸的摩斯密碼，base64介紹
因為看到 ruby3 的 release note 裡特別有講把 base64 放上 rubygems.org https://github.com/ruby/base64 也讓我想到好像至今沒有真的了...
見令如見人，介紹 JWT
JWT是 JSON Web Tokens 的縮寫。 最近工作上需要用 JWT 來互傳資訊， 覺得這東西用起來是滿簡單的。 只是結合多個概念，一開始不是很好懂，紀錄下理解的過程。 最後再介紹利用 jwt...
Rails 4 升級至 6 心得分享
分享最近把專案從 Rails 4.2 升級到 6.0的心得。專案是公司內部用的系統。 TL;DR Upgrading Ruby on Rails — Ruby on Rails...
I just finished 4 PRs! hacktoberfest!
Although the approved PRs are still maturing, I'm happy that I did it! I'm a Rails developer for ma...