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Ruby-talk at BMW   25 Sep 04
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Enjoy the slides of our Ruby-talk presented to BMW.

German English

Sony details PlayStation Portable's chips   25 Sep 04
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(Source: The Register)

The PSP chipset comprises a number of components: the CPU, a media processor, a 3D graphics engine, a security processor and a power manager. The PSP’s MIPS R4000-based CPU will run at up to 333MHz, Sony chip designer Masanobu Okabe revealed at the Hot Chips conference in Stanford University, California. Its frontside bus runs at up to 166MHz, with both frequencies controlled by processor load. It contains a vector processing engine. link

Using SVG in Borges   25 Sep 04
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Interesting blog-entry on naseby + ruby + stuff. link

Test Version of FreeRIDE with RRB Refactoring Support   25 Sep 04
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(Source: Curt Hibbs) I just put up a test version of FreeRIDE that includes RRB Refactoring support and I would like to ask your help in testing it. For windows user’s there is a complete pre-built binary (it can coexist with your current FreeRIDE installation), and for non-windows users there are instructions for adding RRB refactoring support to your existing FreeRIDE installation. Full details at: [freeride.rubyforge.org/wiki/wiki.pl?RefactoringSupport]

[ANN] Ruby/.NET bridge R3   25 Sep 04
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(Benjamin Schroeder posted this to ruby-talk) I’d like to announce Release 3 of our Ruby/.NET bridge, which lets you use Ruby and .NET objects together in your programs. (Releases 1 and 2 were available on the RAA and RubyForge, but this is the first one we’re announcing widely.) link. Make sure you check out the 5 minute tutorial. It’s impressive.

RubyX - a ruby based Linux distro   25 Sep 04
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(Source: ruby-talk, Andrew Walrond, Oct 24, 2003) Rubyx is a ruby based linux distro. It is also the name of the script which creates Rubyx the distro and handles the package management In light of the recent rubyx/lunar threads, I thought it sensible to make the rubyx source available for scrutiny by the ruby community. You can get it using Bitkeeper like this:
bk clone bk://ftp.rubyx.org/rubyx
cd rubyx
bk co
You'll see three files:
rubyx - The man script
init - The ruby based init script
strfile.rb - Some code shared by rubyx and init
Important! The build machine must be capable of running the generated code, How it all works will require further discussion, but if you want to get involved, it would be a good idea to ask rubyx to download the sources. To get everything, you'll need 4Gb and broadband ;) For just the basics, it's a fraction of that but I don't have the figure to hand. Do this as root...
 
mkdir /my/rubyx/dir  (or something like)
./rubyx --root /my/rubyx/dir --download base net disk (for the basics)
./rubyx --root /my/rubyx/dir --download all (for everything)
If you don't have broadband, you might want to use --dj 1 to reduce the number of parallel downloads. I wrote this in part to learn ruby, so any comments/suggestions on the code or style are welcomed. Although I am writing this in Kmail on my laptop running Rubyx, rubyx is still very much work in progress, so don't expect too much. Lots more to discuss, but this will do for starters :)

Using the right hammer ..   25 Sep 04
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(Source: Robert Martin (UncleBob) in the pragprog-list) As a contractor you must do the best job you can for your client. This includes picking the best language for the situation. I agree that there are situations in which Ruby might be the best technical solution, but the worst political solution. In that case, you cannot use Ruby — you must use a technically inferior, but politically preferable language. There are other situations — more and more of them — in which Ruby is politically acceptable, and technically superior.

[ANN] celsoft.com/Battery 0.1.1   25 Sep 04
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(Souce: Sean O’Dell) Battery is a unit testing framework for Ruby. It captures all standard error and output and reports the entire summary of all tests formatted as valid YAML, for easier reading and parsing. Another key feature is that all tests run in the order they are added to their batteries, rather than arbitrarily. See the celsoft.com/Battery homepage for more information and documentation.

Homepage: battery.rubyforge.org/

Download: rubyforge.org/frs/?group_id=268&release_id=531

[ANN] linalg-0.3.2 -- Ruby Linear Algebra Library   25 Sep 04
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link[linalg.rubyforge.org/}

From the README:

Major features:

  • Cholesky decomposition
  • LU decomposition
  • QR decomposition
  • Schur decomposition
  • Singular value decomposition
  • Eigenvalues and eigenvectors of a general matrix
  • Minimization by least squares
  • Linear equation solving
  • Stand-alone LAPACK bindings: call any LAPACK routine from directly from ruby.

[ANN] rpa-base 0.1.0 "kitanai"   25 Sep 04
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(Source: Mauricio Fernandez)
 The Ruby Production Archive (RPA) will provide packages of Ruby
 libraries and programs in a form that allows production use, engineered
 through a stringent process resembling FreeBSD's or Debian's.

 rpa-base is a port/package manager designed to support RPA. Its scope and
 purposes are different to those of other systems like RubyGems.

 rpa-base 0.1.0 is now available on http://rpa-base.rubyforge.org .
 Please keep in mind that this is *not* a RPA release (that is, a release
 of the repository) but just a release of the rpa-base tool itself. We
 have provided several sample ports/packages for testing purposes, but
 they don't formally belong to RPA. Read below for information on the
 libs/apps packaged so far.

 rpa-base requires Ruby 1.8.1 (certainly 1.8 at least, it might work on
 1.8.0); it has been tested on several Linux distributions, FreeBSD and
 win32. We would appreciate feedback (both positive and negative) under
 those or any other architecture.

 It takes but a couple minutes to install and will allow you to do

 rpa install instiki ruvi

 ;-)
 (NOTE: ruvi, the cool pure-Ruby vim clone, won't work on win32)

 Features
 ========

 rpa-base is a port/package manager designed to support RPA's client-side
 package management. You can think of it as RPA's apt-get + dpkg. It
 features the following (working right now):

  * sane dependency management: rpa-base installs dependencies as needed,
    keeps track of reverse dependencies on uninstall, and will remove no
    longer needed dependencies
  * atomic (de)installs: operations on the local RPA installation are atomic
    transactions; the system has been designed to survive ruby crashes (OS
    crashes too on POSIX systems)
  * modular, extensible design: the 2-phase install is similar to FreeBSD and
    Debian's package creation; rpa-base packages need not be restricted
    to installing everything under a single directory ("1 package, 1 dir"
    paradigm)
  * rdoc integration: RDoc documentation for libraries is generated at install
    time (currently disabled on win32)
  * ri integration: ri data files are generated for all the libraries managed
    by RPA; you can access this information with ri-rpa (currently disabled on
    win32)
  * handling C extensions: if you have the required C toolchain, rpa-base can
    compile extensions as needed
  * unit testing: when a library is installed, its unit tests are run; the
    installation is canceled if they don't pass

 

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