Ruby Java Bridge
rjb is a bridge software. It connects Ruby and Java.
Related cards:
sstephenson/execjs - GitHub
ExecJS lets you run JavaScript code from Ruby. It automatically picks the best runtime available to evaluate your JavaScript program, then returns the result to you as a Ruby object.
jbarnette's johnson at master - GitHub
Johnson wraps JavaScript in a loving Ruby embrace. It embeds the Mozilla SpiderMonkey JavaScript runtime as a C extension.
Convert primitive Ruby structures into Javascript
Controller responses often include Javascript code that contains values from Ruby variables. E.g. you want to call a Javascript function foo(...) with the argument stored in the Ruby variable @foo. You can do this by using ERB tags (`<%= ruby_...
Missing certificates for rubygems and bundler in Ruby 1.8.7
Using Ruby 1.8.7 you will not be able to use the maximum versions Rubygems 1.8.30 and Bundler 1.17.3 with https://rubygems.org/ anymore. This is a result of a server certificate on December 5th, 2020. The resulting errors will...
Rubygems: Installing the last version of rubygems that has no rubyforge_project deprecation warning
You can install rubygems 3.0.8 (released on February 18, 2020) to keep all the Gem::Specification#rubyforge_project deprecation warnings away from your development log. With Rubygems >= 3.1 this deprecation warning was introduced. While main...
Sun Java JVM/JRE on Ubuntu Linux
Note that you should disable the Java plug-in in your browsers after installation.
Ubuntu >= 12.04
Java 11
sudo a...
List RubyGems binary version for all installed Ruby versions
rbenv
To check which rubygems versions your different rbenv rubys are using, you can use this small bash script:
for i in $(rbenv versions --bare); do rbenv shell "${i}"; echo -n "ruby ${i} has gem version: "; gem -v; done
RVM
``...
edgecase's ruby_koans at master - GitHub
The Ruby Koans walk you along the path to enlightenment in order to learn Ruby. The goal is to learn the Ruby language, syntax, structure, and some common functions and libraries. We also teach you culture. Testing is not just something we pay lip...
Speed up your websites: Put JavaScripts at bottom
For websites that don't do JavaScript rendering on the client, it's best practice to put script tags at the bottom of the HTML. This way, the page can start to render before scripts have been loaded and run.
The caveat is that you also have to mo...
RubySpec - The Standard You Trust
RubySpec is a project to write a complete, executable specification for the Ruby programming language.