这是我在 so 上说的问题，没有人回答，我贴到社区来看看有人遇到过吗？下面可能有用英文表述的，都很简单凑合着能看。 I use Mina deploy to ubuntu, but an

could take a while... ERROR: Error installing jekyll: ERROR: Failed to build gem native extension. current directory: /usr/local/lib/ruby/gems/2.7.0/gems/sassc-2.4.0/ext /usr/local/opt/ruby/bin/ruby -I /usr/local/Cellar/ruby/2.7.2/lib/ruby/2.7.0 -r ./siteconf20210108-25376-1xljyak.rb extconf.rb creating Makefile current directory: /usr/local/lib/ruby/gems/2.7.0/gems/sassc-2.4.0/ext make "DESTDIR=" clean current directory: /usr/local/lib/ruby/gems/2.7.0/gems/sassc-2.4.0/ext

root@MyVPS:/home/timothy# rvm install 1.9.3 Searching for binary rubies, this might take some time

Nothing written in this guide is set in stone. It's my desire to work together with everyone interested in Ruby coding style, so that we could

Nothing written passenger-config stderr: *** ERROR: Phusion Passenger doesn't seem to be running. If you are sure that it is running, then the causes of this problem could

已修改 database.yml: ~/mds/config$ cat database.yml MySQL. Versions 4.1 and 5.0 are recommended.Install the MYSQL drivergem

https://github.com/mperham/sidekiq/blob/master/4.0-Upgrade.md What's New Sidekiq no longer uses Celluloid. If your application code

Who we are? We are HSBC, which was founded in 1865 in Hongkong and Shanghai

项目是 rails 做服务器，vue 写后台管理调接口。在使用 mina 部署的时候，执行 “mina staging deploy” 命令的时候，报错： Bundle

notice => 'Invalid cart' else respond_to do |format| format.html # show.html.erb format.xml { render :xml => @cart} end end end 之后在浏览器输入：http://localhost:3000/carts/asdfasdfadt提示错误 ActiveRecord::RecordNotFound in CartsController#show Couldn

window 系统，ruby1.9.3,安装 mysql2 安装不上，总报错，有遇到同样问题的吗。 Gem files will remain installed in D

Blog post: http://blog.larrylv.com/write-a-tcp-stack-in-ruby/ I read Julia's article What happens if you write

Blog 搬运。 It was made apparent to me that many ruby devs either aren’t

ruby 版本：1.8.7 OS：Ubuntu12.04 在 rails 项目下执行安装 gemfile 的命令 bundle install --path .bundle 得到下面结果

Couldn't resolve host 'get.acme.sh' 重试一下就可以了。 然后重新载入一下 .bashrc source ~/.bashrc 现在你就有了 acme.sh 的命令. 申请签发 SSL 证书acme.sh --issue -d www.your-app.com -w /home/ubuntu/www/your-app/current/public NOTE

在 MacOS High Sierra 安装 Ruby on Rails 本篇文章将教您在 MacOs High Sierra 上安装 Ruby on

下面是源码中对问题的描述及利用 concern 的解决方式 module ActiveSupport # A typical module looks like this: # # module M # def self.included

从 stackexchange 上看到的一个回复 by Andrew Hacking，随手分享下: In my own experience with Bootstrap and simple

Note, you may have to create the app/inputs/ directory and restart your webserver. You can also redefine existing Simple Form inputs by creating a new class with the same name. For instance, if you want

环境： OS： OSX 10.11.2 Ruby： 2.1.1 Mysql2： 0.4.2 Rails ： 4.2.0 MysqlDB: 5.5.44 mysql 是通过 brew

使用 undef_method， 遇到的一个问题，想不明白 rails 是如何处理的，不知哪位大神可以给到一个解答。 场景如下： user model 含有字段 name， 同时 include

做 cas 登陆的时候用到了rubycas-client，结果在 4.1 下怎么都说缺少before方法，退回到 4.0.x 之后却没有一点问题。 曾一度以为是before_filter统一成before_action搞的鬼，但发觉它只是改了名字而已

notice] = "保存成功！" else render :edit end end 差别在于，对于普通用户，我要求他只能修改自己的 posts，而对于 admin，可以修改所有的 posts。 现在以 admin 身份登录后，在 /admin/posts/87/edit 中尝试修改内容，点击 “Submit” 以后，却出错了： ActiveRecord::RecordNotFound at /posts/87 Couldn

如果你的应用里需要保留 Model 的历史记录，可以尝试一下 Strikingly 团队实践后的方法： 原文：http://strikingly.github.io/blog/2015/09/14/Simple-rails-history-pattern-ActiveRecord/ Context Many times in my

转自 Engineering Long-Lasting Software 1 class MyClass 2 def foo(x,y,z) 3

Blog Link: http://blog.larrylv.com/how-did-tenderlove-and-others-speed-up-rails/ Rails 4.2.0 beta1 was released August 20, 2014. And according

刚发现，大家围观一下这个小框架，感觉不错的。 link--> Vial~ a micro micro-framework ~ Vial is a small web framework

http://barkingiguana.com/2009/01/25/scriptconsole-for-your-application/ 了解这个比看 rails 源码更简单 script/console for your application Rails coders will be more

Rails before_filters don't take it far enough. What stepstepstep allows you to do

Building native extensions. This could take a while... ERROR: Error installing bcrypt-ruby: ERROR: Failed