My Science Is Better

21Jan/090

So… ‘sup?

- With your linux box i mean... What's up with it?
- Not much... here goes:

  User:		mimir (uid:1000)
  Groups:	mimir adm dialout cdrom plugdev lpadmin admin sambashare vboxusers
  Working dir:	/home/mimir
  Home dir:	/home/mimir
  Hostname:	orion
  IP (lo):	127.0.0.1/8
  IP (eth1):	192.168.1.102/24
  Gateway:	192.168.1.1
  Name Server:	208.67.222.222
  Name Server:	208.67.220.220
  Date:		Wed Jan 21 19:43:43 EET 2009
  Uptime:	19:43:43 up  9:44,  3 users,  load average: 0.56, 0.42, 0.25
  Kernel:	Linux orion 2.6.28-4-generic #11-Ubuntu SMP Fri Jan 16 21:50:52 UTC 2009 x86_64 GNU/Linux
  Memory:	Total: 3895Mb	Used: 3071Mb	Free: 823Mb
  Swap:		Total: 1953Mb	Used: 7Mb	Free: 1945Mb
  Architecture:
  Processor:	0 : Intel(R) Core(TM)2 Duo CPU T7500 @ 2.20GHz
  Processor:	1 : Intel(R) Core(TM)2 Duo CPU T7500 @ 2.20GHz

All that info is found just by invoking Scott Morris's 'sup script.

Cool script!

21Jan/090

Eclipse plugins written in PHP?

On another Eclipse related news, i have noticed today the GSOC 2009 ideas for eclipse. Although all the ideas are interesting, what catched my view was "Write Eclipse plug-ins in PHP
" through e4.

e4 is the community effort for building the next generation of the Eclipse Platform. The project has three principle aims:

  • Simplify the Eclipse programming model: This will
    reduce development and maintenance costs and enable a larger developer
    community to leverage the platform in their own Eclipse-based
    applications.
  • Enable the platform for use on emerging web-based runtime technologies:
    This will ensure the platform remains a compelling and viable
    application framework in a rapidly changing web technology landscape,
    and it will allow e4-based applications to leverage web technologies,
    while remaining insulated from specific technology choices that may
    quickly become obsolete.
  • Broaden participation in development of the platform:
    This reduces the risks associated with building on a platform largely
    funded from a single source. Having a large and diverse group of
    commercial backers, will ensure the platform remains vibrant and viable
    over the long term.

Please refer to the project proposal for more information, including the initial list of committers. The e4 project summary page is here.

I'm really interested to see what comes out of that.

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21Jan/090

eclipse.org receives a facelift

Today eclipse.org received a new skin. It's great for me so see that they are going for a simpler design, that will appeal to more people.

For developer of any kind, eclipse seems the way to go. They have a ton of projects that are in constant development. I think they have one of the most active communities in the open source world. Note that unlike Linux communities that don't have a lot of backing up from enterprise, eclipse has quite a few huge "strategic members".

I can't wait for the next release of PDT ;)

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19Jan/091

Generating random numbers

This is just an idea, don't throw rocks at me if someone else posted it before or if it turns out to be utter crap.

I've been thinking on how one could generate random numbers. My first thought was that you would need some complex algorithm then a few nights back I observed something in nature while waiting for a friend. It was snowing.

Looking for a while how the snow flakes were going every possible directions I realized that their movement was pretty random. At least it was to my eye. Let's imagine you have camera that's able to capture in perfect 3D images in HD. You could then get each flake's coordinates using adequate software that can identify objects into a 3D image.

There you go. Random number of snow flakes in a frame, random position of each snow flake in each frame. Add some external randomizer (like some wind) and you really get some interesting stuff.

Can someone confirm if there is even a small chance that at least two snow falls can be identical? Then my idea is utter crap :P

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19Jan/091

Chmod only files or chmod only folders

I moved the blog the a new server and i realised that all the permissions got screwed up on the process. All files and folders were having chmod 777, and that's not exactly ideal. After digging a bit on google on how to chmod only files or chmod only folders, i came up with this:

1. Recursive chmod only files within this folder:
find . -type f -exec chmod 0600 {} ;

2. Recursive chmod only folders within this folder:
find . -type d -exec chmod 0755 {} ;

Hope this helps!

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