jruby

问题 I want to install a gem but I get the following error: Building native extensions. This could take a while... ERROR: Error installing twitter-login: ERROR: Failed to build gem native extension. C:/nwcloud/jruby-1.7.2/bin/jruby.exe extconf.rb NotImplementedError: C extension support is not enabled. Pass -Xcext.enabled=true to JRuby or set JRUBY_OPTS or modify .jrubyrc to enable. I also read this question with the same problem, but I don't even know how to enable the support with the three

问题 I need to compile my JRuby application into a standalone JAR file. How can I do this? 回答1: Warbler 1.3.0 or newer can also be used to make an executable JAR file. Quick instructions. Make sure you're using JRuby`s gem, etc. here: $ gem install warbler $ mkdir bin $ cat <<EOF > bin/myapp #!/usr/bin/env jruby puts "Hello World" EOF $ chmod a+x bin/myapp $ warble jar You should now have a myapp.jar file in the current directory. According to the README you just add any libraries you need in the

问题 what is the best way to make JRuby to run in 1.9 mode by default? i.e, I want to run rake test instead of jruby --1.9 -S rake test Thank you 回答1: Use the JRUBY_OPTS environment variable. JRUBY_OPTS holds a list of arguments that are added to any arguments specified on the command line. For example (on Linux): $ jruby -v jruby 1.6.0.RC1 (ruby 1.8.7 patchlevel 330) (2011-01-10 769f847) (Java HotSp... $ export JRUBY_OPTS=--1.9 $ jruby -v jruby 1.6.0.RC1 (ruby 1.9.2 trunk 136) (2011-01-10 769f847

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 5 years ago . I'm looking for SASS implementation in Java (could be used with JSP/JSF). For Python I've found CleverCSS, but there is nothing for Java. Anyone heard something about this sort of tool for generating CSS? 回答1: With ANT: Download JRuby complete jar file (JRuby Complete jar download page) Download the latest HAML