- Get latest Ruby version for RVM
- rvm get latest
- Find out current Ruby version
- rvm current (the string between first '-' and '@')
- Find out new Ruby version
- rvm list known
- rvm upgrade [current version] [new version]
Sunday, October 30, 2011
Upgrade Ruby version which is installed with RVM
(.getInputArguments (java.lang.management.ManagementFactory/getRuntimeMXBean)) Credit: How to get vm arguments from inside of java applic...
Formatting Run this command in shell sudo cpan JSON::XS Put this line to ~/.vimrc map <leader> jt <Esc> : %! json_xs -f json ...
This error message from chef is not very useful FATAL: Chef::Exceptions::ChildConvergeError: Chef run process exited unsuccessfully (exit ...
Print some ANSI characters (print (str (char 27) "[2J")) ; clear screen (print (str (char 27) "[;H")) ; move cursor to...