Responsive web design is the practice of building a website suitable to work on every device and every screen size, no matter how large or small, mobile or desktop. Responsive web design is focused around providing an intuitive and gratifying experience for everyone. Desktop computer and cell phone users alike all benefit from responsive websites.

Never write a single javascript line anymore to validate your forms FrontEnd. Parsley will do that for you and do it right, thanks to its powerful DOM-API !

Welcome to the Puppet Labs documentation site. The documentation posted here is also available as a set of PDFs, which can be found here. You can also download the current version of this entire website as a zipped archive; unzip it and follow the instructions in the README.txt file to view the site offline.

Yesterday a Ruby on Rails SQL injection vulnerability was announced which affects all versions. This immediately received widespread attention on Hacker News. Unfortunately the announcement doesn’t clearly explain how the vulnerability exactly works, which caused a lot of confusion and unnecessary panic, especially among people who are less familiar with Ruby or Rails.

Here are the facts, along with a clear explanation for non-Rails people.

SVN Access Manager is a powerful tool for managing access to subversion repositories. The tool provides user and group management and access rights (read /write) to dedicated paths in a repository as well.

SVN Access Manager uses projects to give users the rights to manage their own modules in a repository. Project is used substitutionary for a toplevel directory.

Deltacloud provides the API server and drivers necessary for connecting to cloud providers.

Deltacloud maintains long-term stability for scripts, tools and applications and backward compatibility across different versions.

Using single API Deltacloud enables management of resources in different clouds.

Start an instance on an internal cloud, then with the same code start another on EC2 or RHEV-M.

I've been programming since I was 7 years old. My short foray with IDE's (in perspective: 2004-2011/2012) also coincide with my most frustrated period with tooling and languages. I don't think this is a coincidence. Comparing using poor languages (..ehm, Java)requiring tank-like IDE's, with using a more lightweight toolchain with sane languages like Haskell, Clojure and Scala (used correctly) only confirms this.

I can only conclude that the need for an IDE or a heavy "code navigation tool" is a symptom of a deeper problem, if you suffer from tool frustration, it's not necessary your tools that are poor, it may be that your language sucks, or you're not using it correctly.

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PSGI is an interface between Perl web applications and web servers, and Plack is a Perl module and toolkit that contains PSGI middleware, helpers and adapters to web servers.

PSGI and Plack are inspired by Python's WSGI and Ruby's Rack.