What gem is Ruby?
red corundum
ruby, gemstone composed of transparent red corundum (q.v.), a mineral form of aluminum oxide, Al2O3. Its colour varies from deep cochineal to pale rose red, in some cases with a tinge of purple; the most valued is a pigeon-blood red.
How many RubyGems are there?
RubyGems
| Total gems | 133,000+ |
|---|---|
| Total downloads | 14+ billion |
What is the most popular Ruby?
Check Out Some of The World’s Most Famous Rubies
- The Liberty Bell Ruby. The Liberty Bell Ruby is the largest mined ruby in the world, found in east Africa in the 1950’s.
- The DeLong Star Ruby.
- The Rosser Reeves Ruby.
- The Neelanjali Ruby.
- The Graff Ruby.
- The Sunrise Ruby.
- The Carmen Lúcia Ruby.
- The Hope Ruby.
Where are RubyGems?
The main place where libraries are hosted is RubyGems.org, a public repository of gems that can be searched and installed onto your machine. You may browse and search for gems using the RubyGems website, or use the gem command. Using gem search -r , you can search RubyGems’ repository.
Is ruby a sapphire?
Ruby is defined as red corundum. All other varieties of corundum, anything not red, are classified as sapphire. (Sapphires may contain a mix of chromium, titanium, and iron traces). Although popularly associated with the color blue, sapphires include all non-red colored corundum gems.
Is ruby a topaz?
It is the only species placed in the genus Chrysolampis….
| Ruby-topaz hummingbird | |
|---|---|
| Subfamily: | Polytminae |
| Genus: | Chrysolampis Boie, F, 1831 |
| Species: | C. mosquitus |
| Binomial name |
How do RubyGems work?
The RubyGems software allows you to easily download, install, and use ruby software packages on your system. Gems can be used to extend or modify functionality in Ruby applications. Commonly they’re used to distribute reusable functionality that is shared with other Rubyists for use in their applications and libraries.
How much is a Ruby worth?
Rubies can run as little as $1 a carat to $100,000+ a carat, depending on the 4Cs. One of the most expensive rubies ever sold is the Sunrise Ruby, selling for over a million dollars a carat at 25 carats.
How can I tell if a ruby is real?
Since many artificial rubies use glass or glass combinations, use the glass-to-glass comparison test to check authenticity. All you need is a piece of glass that’s a similar color and hue. If the two have the same color, you have a fake ruby. Rubies will never be the same color as regular glass.
Where does ASDF install gems?
A feature of the asdf-ruby plugin is that it can install a set of default gems specified in a ~/. default-gems file.
Do green rubies exist?
Sapphires and Rubies – How Different Are They Really? Both rubies and sapphires are varieties of the mineral corundum. This mineral is found in an array of colors but is mostly known for its blue hue. Pink, orange, yellow, green, and purple sapphires exist as well.
How do I use RubyGems?
The gem command allows you to interact with RubyGems. Ruby 1.9 and newer ships with RubyGems built-in but you may need to upgrade for bug fixes or new features. To upgrade RubyGems or install it for the first time (if you need to use Ruby 1.9) visit the download page. If you want to see how to require files from a gem, skip ahead to What is a gem
What is the difference between RubyGems and rubyruby?
Ruby installs the dependency rbtree and builds its extension, installs the drip gem, then builds documentation for the installed gems. You can disable documentation generation using the –no-doc argument when installing gems. RubyGems modifies your Ruby load path, which controls how your Ruby code is found by the require statement.
Are all Ruby gems pure Ruby code?
Most gems are pure Ruby code. A few gems include a Ruby C extension for improved performance. This extension is built automatically for you when you install the gem. In some cases, you may need to manually install additional software that is not managed by RubyGems.
What is a RubyGems spec?
A specification (“.spec”) file that comes with every gem describes dependencies (other required gems) so the code has everything it needs to work Thanks to RubyGems, we have a rich ecosystem of helpful libraries just one gem install away!