Webb3 mars 2013 · In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date? 959. Can't find the 'libpq-fe.h header when trying to install pg gem. 712. Difference between rake db:migrate db:reset and db:schema:load. 1120. Webb24 sep. 2010 · Rails and Sinatra shares some common principles and habits which belongs to the Ruby ecosystem. But you would need to learn Ruby before in order to better appreciate these frameworks. Don't assume the "learning Ruby" step to be an optional task. Share Improve this answer Follow answered Sep 24, 2010 at 16:14 Simone Carletti 172k …
Ruby 如何与heroku一起使 …
Webbblock-in'您的应用程序似乎是Sinatra应用程序而不是rails。考虑编辑标签并删除Ruby on Rails标签中的问题。是的,它是西纳特拉应用程序。我不知道这和rails有什么不同。所 … Webb对于 Ruby 和 Rails 来说,事情有点儿倒过来了。 名字是不一样,但是技术上的关系倒是比较平级(egalitarian)。 可能“平级”这个词用得并不是很准确,可能根本不存在描述 … crystal reports 2020 update
ActiveRecord::AdapterNotSpecified数据库配置没有指定适配器 - IT …
Webb28 juni 2024 · Step 1 – Installing PostgreSQL. In order to configure Ruby on Rails to create your web application with PostgreSQL as a database, you will first install the database onto your server. Using sudo privileges, update your APT package index to make sure that your repositories are up to date: sudo apt update. WebbIf we want to compare between Rails and Sinatra (or any other frameworks), we just need to compare the performance and the ease of use. One of Rails doctrine is convention … WebbRuby on Rails is ranked 8th while Sinatra is ranked 17th. The most important reason people chose Ruby on Rails is: The sheer scale and massive number of developers using Rails … crystal reports 2020 マニュアル