当我尝试在OS X Lion上安装最新版本的Postgres gem时,会发生这种情况。 $ gem install pg
Upgraded http://rubygems.org/ to HTTPS
Fetching: pg-0.15.1.gem (100%)
Building native extensions. This could take a while...
ERROR: Er
我将Ruby,Rails和其他东西从rubyinstaller.org安装到我的MacOS X Lion系统上。但是,我无法覆盖1.8.3版本的Mac版本。我如何覆盖它到最新版本?当我尝试运行下面的命令: rvm use 1.9.3-p392
它说: ruby-1.9.3-p392 is not installed.
的另一个问题是,当我尝试连接到MySQL的使用: mysql -u ro
任何人都试图在mac os 10.8上安装papi(performance API)version 5.1.0?我在make命令中遇到以下错误。 zero_attach.c: In function ‘main’:
zero_attach.c:84: error: ‘PTRACE_ATTACH’ undeclared (first use in this function)
zero_atta
我试图更新我的冲泡,当我设置 brew update 我得到这个错误: error: Your local changes to the following files would be overwritten by merge:
Library/Formula/imagemagick.rb
Please, commit your changes or stash them befor