Rubygems spec 3 book

I think the book is a nice read for starters who finished reading their first ruby book and now want to create something useful. Gem specification gemspec contains information about the author of the gem. Typeerror no implicit conversion of nil into string the output of gem install rails debug or gem install jekyll debug for instance is the same. Each of the lines in the spec has a special meaning. Discussion is going on in the rubygems mirror wiki on how to improve it. The file is a big gzipped and marshald binary serialization array which contains the gem name, version and platform. Rubygems is not part of rubys standard distribution, except in the oneclick installer for microsoft windows. But avoid asking for help, clarification, or responding to other answers. Become a contributor and improve the site yourself rubygems. Installed rails with rubygems but ran my first rails new blog command with errors 1 ruby could not find mimetypesdata 3. Rubygems is a package manager for the ruby programming language that provides a. The main spec handles providing all the information about the gem that is being built.

Our titles are available on paper and electronically, and all our ebooks are drmfree. Rubygems is a package manager for the ruby programming language that provides a standard format for distributing ruby programs and libraries in a selfcontained format called a gem, a tool designed to easily manage the installation of gems, and a server for distributing them. Add alternate root ca for upcoming certificate change. An engine can have its own models, views, controllers, generators and publicly served static files. It was created by chad fowler, jim weirich, david alan black, paul brannan and richard kilmer during rubyconf 2004. Macbook pro models are organized by the year they were introduced, starting with the most recent. A rails engine is a prepackaged application that is able to be run or mounted within another rails application. I am trying to read an excel spreadsheet file with ruby, but it is not reading the content of the file. Youll also discover the fastest way to learn new rails features with your 32page sample of practicing rails. Put any executables in bin, any data files in data and tests in test or spec. Rakes platform is ruby, which means it works on any platform ruby runs on platforms are based on the cpu architecture, operating system type and sometimes the operating system version. This was stripped from my issue probably due to thinking it was a tag.

The travisci version of bundler is out of date, which can cause some problems install dependencies. How do i read the content of an excel spreadsheet using ruby. Rspec also provides a number of utilities and extension points to support extending rspec to meet domainspecific needs. The book focuses mostly on gems that can be used in a web development or sysadmin context. See cve204287 for full details including vulnerable apis. Rakes platform is ruby, which means it works on any platform ruby runs on. Click the model name for detailed technical specifications. The maintenance policy of rubygemsrg is different as rubys maintenance policy. While learning about ruby gems you may also read about bundler.

The main bulk of the book is 29 short chapters which each highlight a single gem, explain what its used for, gives a simple script demonstrating how to implement it and has. The specification was stored with a string platform which meant the gem was not available causing an exception. The standard specifications are the basic requirements governing the material, equipment and methods used in construction contracts administered by the michigan department of transportation. How the stack overflow team uses stack overflow for teams.

The last task adds a simple helper that allows you to run rake in the directory and automatically build a gem. The gem command allows you to interact with rubygems. I did some troubleshooting today and it doesnt happen with ruby 2. Thanks for contributing an answer to stack overflow. Weve put a lot of effort into making the upgrade process from rspec 2.

This package includes the 9page pdf ebook and 14 chapters of ruby code to go along with the technical chapters. For a local gem the parsed platform was available and used for looking up the specification. Tutorials, guides, faqs for rubygems package management. The final step to building the gem is adding the extconf. Travis bundler versions are quite out of date and can cause install errors there is an identical fix for govspeak. This revision of the standard specifications was issued in 2011. A guide to starting your own rails engine gem smashing. My current problem is gem install fails with error. Ruby is a programming ruby book chapter about building c extensions. A small rspec clone based on fix specing framework. Use the source packages attached to this release to manually update your installation.

Now, unless you like writing a lot of code, this is great. These longform proprietary csi and csc specifications are complete with technical data, astm standards. Have you slogged through the same guide three times and still dont know how to build a real app in this free 7day rails course, youll learn specific steps to start your own rails apps without giving up, and without being overwhelmed. Last post i discussed why i found ruby gems interesting, and the steps required in order to install a. Here you can see that it is including rubygems and adding some tasks from rake. After youve written your first rspec tests, the next step is to automate running them on every git push by setting up continuous integration ci semaphore is a hosted ci service which comes with comprehensive ruby support, and its very easy to get started this is the semaphore configuration that you can use for continuous.

Certificate verify failed in gem install foundation. We need rubygems to be highly available all over the world, no more excuses. Whether youre an expert rubyist, or just starting out, this book will guide you through the process of creating your own ruby gem from start to finish. Browse other questions tagged rubyonrails ruby rubyonrails 3 rubygems rvm or ask your own question. To install rubygems by hand see the download rubygems page. Ruby programmingrubygems wikibooks, open books for an open. For models from before 2012, the latest compatible operating system is noted. Im getting this issue running on an unreal internet connection. This is what you should see when running the bundle install command. Practical ruby gems makes few assumptions about the readers level of knowledge and delivers a brief installconfiguremanage tutorial to get novice readers up to speed. The gem command allows you to interact with rubygems ruby 1. Lists the external to rubygems requirements that must be met for this gem to work. Browse other questions tagged ruby gem installation zurbfoundation or ask your own question.

Jun 29, 2018 the policy of rubygems merging merge latest stable version into ruby core ruby 2. To upgrade rubygems or install it for the first time if you need to use ruby 1. Welcome to the mdot standard specifications for construction. The simplest way to distribute a gem for public consumption is to use rubygems. Macbook pro models from 2012 and newer can run the latest version of macos. Building and construction csi specifications arcat. Ill try it when i get to my machine in the morning. Arcat specs are complete, accurate, and in the csi 3 part and the canadian csc formats for building and construction professionals. An excellent allaround guide to gem best practices is rubygems guides. The specification class contains the information for a gem.

Books, screencasts, forums, articles, and more, all aimed at helping software developers get better and have more fun. Oct 04, 2016 my current problem is gem install fails with error. Become a contributor and improve the site yourself. Cannot install platform specific gem from local file on. Our building product and material specifications are free to view and download in doc, rtf or text.

Displays the users logged into machines on the local network. When looking up specifications the resolver sets expect string platforms. Continuous integration for rspec and ruby on semaphore. If you could do the following two things, it would help with debugging. Is there a clean way to extract the version string from a. If you want to see how to require files from a gem, skip ahead to what is a gem. For instance, using metadata associated with groups and examples for the purpose of reporting, using global configuration to assign before and after blocks to every example group, using macros etc. Macros and development tools for packaging rubygems. The description should be more detailed than the summary. Since rails 3 was released, developers have been writing rails engines in a new clean style that can be packaged as rubygems. Part 3 is about creating and distributing gems yourself.