Single quotes vs double quotes A lot of modern programming languages, like ruby, javascript and python, will treat'string' the same as"string" . In Elixir, however, it is not the case > 'string' == "string" false > IEx.Info.info('string') ... {"Data type", "List"} ... > IEx.Info.info("string") ... {"Data type", "BitString"} ... 2…

HTML Over The Wire | Hotwire Hotwire is an alternative approach to building modern web applications without using much JavaScript by sending HTML…hotwired.dev Hotwire is the latest technology stack Basecamp announced based on Rails. It aims to provide a collection of tools for developers to build an interactive, real-time application, while you do not have to build a separate frontend application (SPA).

The official guide in elixir site is not up-to-date. Install Erlang (extract from https://elinux.org/Erlang) sudo apt-get update sudo apt-get install wget sudo apt-get install libssl-dev sudo apt-get install ncurses-dev wget http://www.erlang.org/download/otp_src_24.0.tar.gz tar -xzvf otp_src_24.0.tar.gz cd otp_src_24.0/ ./configure make sudo make install cd .. rm otp_src_24.0.tar.gz sudo rm -R otp_src_24.0/

Since there is no online version of Sinatra Recipes available to public right now. I try to host one on Heroku. The source code should be in sync to the original repo. Sinatra Recipes Community contributed recipes and techniques for the Sinatra Web Framework. Quite simply, the Sinatra README and Book…sinatra-receipes.herokuapp.com

It is pretty clumsy to connect monitor, mouse and keyboard for just setting up raspberrypi. Here is the way to avoid it. Set up Raspberry OS, wifi and ssh support Download Raspberry Pi Imager 2. Run Raspberry Pi Imager

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Ruby on Rails追求開發追度，提供各種組件予開發員直接使用。龐大既組件嚴重佔用系統的記憶體，稍一不慎，會拖慢原本效率已經非常一般的系統。 解決方法不外乎加強軟件配置，或者是改善系統代碼的質素。 改善代碼需要的知識很多，垃圾處理，何時製造物件，需要非常悉識各種方法。 GitHub Gem專頁 schneems/derailed_benchmarks derailed_benchmarks — Go faster, off the Rails — Benchmarks for your whole Rails appgithub.com 設定 (1) 安裝Derailed Benchmarks $ bundle add derailed_benchmarks stackprof --group "development" 完成！ 使用 執行以下指令檢查gem使用了多少記憶體。 $ derailed bundle:mem

Shape Up: Stop Running in Circles and Ship Work that Matters Shape Up is for product development teams who struggle to ship. Full of eye-opening insights, Shape Up will help you…basecamp.com Execution is not always everything. A team needs to care about people as well. A wrong project work can lead to: destroy morale grind teams down erode trust crunch gears wreck the machinery of long-term progress

1.1 Redis是什麼？ Redis是一個數據庫。以特定的鍵來存取資料。 1.2 官方網站