Developer Break: Lucene, Solr, Spring Roo, Node.js, PyQt 5 and more
Catch up on the smaller but important notes for developers, from libraries to APIs and from people to posts. In this edition: Updates for Lucene, Solr, Spring Roo and Node.js, Lua in a browser, Python for Qt 5.0, code recommendations, ARM CUDA, Codegeist winners, Google interviews and NHibernate's future.
Open Source Libraries and Tools
- Apache's Lucene search library and Solr search platform have had a bug fix update to version 4.3.1. The Lucene 4.3.1 update includes fixes for a deadlock bug and an optimisation, while Solr's 4.3.1 update offers many fixes for SolrCloud. Downloads for Lucene and Solr are available from the usual mirrors.
- Node.js is getting a very steady stream of point updates to version 0.10. Already this month we've had 0.10.10, 0.10.11 and this week sees 0.10.12; the latest update makes one handy change in that when using the command line interface in node.js,
CTRL+Lwill now clear the screen. There are also updates to v8, net and npm.
- The Spring Roo developers have released the fourth maintenance update to the rapid application development platform. Thanks to community contributions a new Antlr 4.0 library allows Roo applications to now use Java 7; there are also a number of GWT improvements.
- Qt 5.0 users who work in Python can now use PyQt 5.0 from Riverbank Computing. PyQt 5.0 is available to download under the GPL or a commercial licence.
- Code Trails, the company behind Eclipse Code.Recommenders, is running a pilot project which records your code completion selections anonymously. That data will be mined by the company's [ctrl]Flow tools to produce recommendation tools and to reward participants, the company is also holding a draw for ten Raspberry Pi minicomputers.
- NVIDIA is highlighting its ARM support for CUDA in the latest CUDA 5.5 Release Candidate; this includes the CUDA C/C++ compiler, debugging tools, native and cross compilation and GPU accelerated libraries.
- Atlassian announced the winners of its Codegeist competition designed to generate new add-ons for the company's Marketplace. The last of the monthly best addon prizes of $10,000 went to Filepicker integration in May, but it was project management app Folio that won April's round and took the extra $15,000 prize to become best overall add-on. Storyflow, which links JIRA problems with Stash commits, won best Stash add-on.
- Hiring developers? Google's Laszlo Bock has admitted in a New York Times interview that its techniques of challenging applicants with brain teasers hasn't worked for them.
- An article on InfoQ talks about the uncertain future of NHibernate which now has only two significantly active developers who are working on preparing NHibernate 4 for .NET 4.0 – the version of .NET released three years ago.