Our Blog Has Migrated to a New Location

Blog on All Things Cloud Foundry

Our Blog Has Migrated to a New Location

Alex Khizhniak

Note! New posts on cloud-native transformation are now published at

          www.altoros.com/blog

Subscribe there for everything Cloud Foundry, Kubernetes, blockchain, and AI/ML.

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Why CoffeeScript

Alena Vasilenko

Developers who are used to object-oriented languages, such as Ruby or Python, may find JavaScript ambiguous. However, it is the only language that is interpreted by browsers. CoffeeScript is an amazing language that compiles into JavaScript and may run even faster than a native JavaScript code. Read the article Why CoffeeScript, written by Nicolas Oga, Ruby Developer from Altoros’s office in Argentina, to learn how this language can help you to write less lines of code as well as keep the code readable and clear. You will know why some people like/don’t like this language and will find some tips on how to make an easier start with CoffeeScript.

Enjoy the full article: Why CoffeeScript!

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Speeding up Ruby Tests

Alena Vasilenko

Test driven development is quite a popular thing that allows you to stay on the safe side and be sure that the system works correctly. However, there are some routines that make tests in Ruby really slow. In this post, you will read how to save some precious seconds when you start Ruby on Rails tests. You will learn how to avoid re-starting the tests each time when any changes to a file are made. This post also explains how to check the test coverage of your app.

To learn how to make your Ruby/Ruby on Rails tests work much faster, read the full article.

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Which Ruby Framework Is Faster, Sinatra, Espresso, Padrino, Goliath, or Ruby on Rails?..

Eugene Melnikov

There are a number of Ruby frameworks that allow for creating amazing feature-rich applications. However, very often you need some simple functionality and your main goal is to ensure the fastest performance possible. I decided to compare performance of the basic applications that were created with Sinatra, Espresso, Padrino, Goliath, and Ruby on Rails to find out which framework is the fastest one.

See all 4 tables with the performance tests on our Github blog.

Updated: The new version of this performance comparison was released on Feb 7, 2014.

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Mandrill—a Free SMTP Server for Applications

Olga Belokurskaya

Transactional e-mails are important part of any project or business, no matter if it’s a startup or a big company. But if corporations can afford the huge mailouts and the costs of big mail distribution services, startups usually look for cheaper options.

Mandrill by MailChimp is one of such options. It is a transactional mail distribution service that allows for sending up to 12,000 free e-mails per month. If you need more, there are various affordable pricing options. Mandrill supports SPF and DKIM records ensuring your emails won’t be regarded as spam by the most of e-mail services. Moreover, it allows for tracking e-mail statuses, such as sent, bounced, received, clicked, marked as spam, etc. It also supports templates and special tags for A/B testing, which is an advantage.

Please, have a look at the full overview of the service by our specialist Eugene Melnikov, following this link: http://altoros.github.io/2013/mandrill-free-smtp-server-for-application

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Benchmarks and Research

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