To help with this, I've created a command alias for my Bash shell to shorten "bundle exec" to "be". Functional Programming. Run the setup command on the Homebrew home page.
This provides an easy way to download and install various Ruby versions. This can be installed through Homebrew. This lets you switch between the different versions of Ruby you've installed through ruby-install.
This can also be installed through Homebrew. Before the mouse and graphical interface was invented, this was the only way to tell the computer what to do! In this example, the version of Ruby is 2. These tools are a part of the free Xcode development tools package that Apple makes available. In the terminal, enter the following command:.
Homebrew makes it easy to install and update additional software, called packages. Homebrew makes it much easier to get everything working. In your browser, go to the Homebrew website.
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You see instructions for installing Homebrew. The page shows a really long command that starts with ruby -e. It is similar in aim and function to MacPorts and Fink. It was written by Max Howell and has gained popularity in the Ruby on Rails community and earned praise for its extensibility.
Octave for macOS
To install Octave, update to the latest package definitions with brew update , and then install Octave. The default charting package in Octave is straight qt. However, on the Mac gnuplot often works better. This is telling you the user permissions for ghostscript are not setup in a way that your user profile can use.
You need to change those permissions to your user profile. The following command will repair the issue:. Note: If brew complains about not having a formula for octave, the following command should fix it:.
Update Ruby to Latest Version on Mac OS X
The command below upgrades Octave and its dependencies to the latest Homebrew-supported versions:. Octave has many dependencies which will be downloaded and installed prior to Octave.
The entire installation process can take a few hours, but precompiled binary packages called 'bottles' are available with default options for Octave and many of its dependencies. Octave has a built-in GUI developed using Qt lib installed by default so that gnuplot and other tools can use it directly. In case of trouble, see the Homebrew Troubleshooting Guide , which assists in diagnosing problems and craft useful bug reports.
How to install Rails on Mac OS El Capitan and Sierra – Giovanni Orlando (@giovanni)
Bugs may be reported at Homebrew-core's issue tracker. About version numbers as of December : The 4.
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