Im install the plugintd-agent-gem安装fluent-plugin-hipchat` `并获取:
WARN: Unresolved specs during Gem::Specification.reset:
json (>= 1.4.3)
WARN: Clearing out unresolved specs.
Please report a bug if this causes problems.
ERROR: While executing gem ... (Gem::CommandLineError)
Please specify at
我正在尝试在我的linux机器上安装newgem (sudo gem install newgem),我得到了以下错误:
Building native extensions. This could take a while...
ERROR: Error installing newgem:
ERROR: Failed to build gem native extension.
/usr/bin/ruby1.8 extconf.rb install newgem
extconf.rb:1:in `require': no such file to load -- mkmf (
我在尝试安装sqlite3-ruby gem时遇到错误:
gem install sqlite3-ruby-1.3.1.gem
Building native extensions. This could take a while...
ERROR: Error installing sqlite3-ruby-1.3.1.gem:
ERROR: Failed to build gem native extension.
/usr/bin/ruby.exe extconf.rb
Gem files will remain installed in /usr/lib/r
在WSL中使用rails时,我在gem文件中添加了以下两行:
gem 'devise'
gem 'nested-scaffold'
保存了我最近创建的rails应用程序的gem文件,并运行了bundle,然后如前面提到的Could not find gem 'nested-scaffold x86_64-linux' in any of the gem sources listed in your Gemfile.获得了这个错误。
我尝试添加以下内容,但仍然给出了相同的错误
gem 'devise'
gem 'nested
我在EC2上部署了我的rails 4应用程序和beanstalk。由于目前还没有可用的Ruby2.0和Rails4.0容器,我只是在实例上安装了Ruby2.0和Rails4.0,下面是这篇文章:
但仍然得到来自passenger的错误:
Your Ruby version is 1.9.3, but your Gemfile specified 2.0.0 (Bundler::RubyVersionMismatch)
I cd进入/var/app/current,运行
$ ruby -v
ruby 2.0.0p195 (2013-05-14 revision 40734) [x86_64-l
当我尝试安装byebug时,我得到这个错误。这是什么原因呢?
sudo gem install byebug -v '10.0.1'
Building native extensions. This could take a while...
ERROR: Error installing byebug:
ERROR: Failed to build gem native extension.
current directory: /var/lib/gems/2.3.0/gems/byebug-10.0.1/ext/byebug
/usr/bin/ruby2
我在使用Archlinux,红宝石的位置在/usr/bin/ruby上
$ ruby --version
ruby 2.0.0p247 (2013-06-27 revision 41674) [i686-linux]
$ gem install ffi
Building native extensions. This could take a while...
Successfully installed ffi-1.9.0
Parsing documentation for ffi-1.9.0
Done installing documentation for ffi after 41
我正在编写一个Ruby,它将通过USB通过串行方式与设备通信。我需要处理几种不同的通信格式,格式是使用PID/VID值的组合来确定的。
我希望gem是跨平台的( Linux / Mac /Windows),但我只满足于Linux和Mac。
在Ruby中,使用最少数量的宝石来可靠地检测串行端口的USB /VID信息的最可移植方式是什么?
提供下列资料的宝石档案:
source 'https://rubygems.org'
gem 'rails', '4.1.1'
group :development, :test do
gem 'railroady'
gem 'sqlite3'
gem 'jasmine'
# For linux support
gem 'therubyracer'
end
group :production do
gem 'pg'
gem '