LinuxQuestions.org
Did you know LQ has a Linux Hardware Compatibility List?
Go Back   LinuxQuestions.org > Blogs
User Name
Password

Notices

Old

Simple C - mix pixel data, integer math (fixed point), data clamping...

Posted 06-06-2013 at 06:15 PM by rainbowsally

Simple C to mix pixel data, integer math (fixed point), data clamping

Today's Features
  • Simple program to add two pixels clamping each byte to 0xFF, but adding all four bytes in parallel for speed. There are no branches in the algorithm.
  • Another simple program to mix two colors defining a gradient using a fraction from 0 to 1. We compare floating point to fixed point math versions.


Surprisingly, the long version compiles about the same code as the short one with...
Member
Posted in Uncategorized
Views 403 Comments 0 rainbowsally is offline
Old

Media Transition: Welcome to My Blog

Posted 06-06-2013 at 05:06 PM by ttk (Unpopular Positions: One Geek's Take)
Updated 06-06-2013 at 05:08 PM by ttk

There is a reason for starting this blog.

In fact, there are thirty-nine reasons.

Since about 1998, I have written my thoughts in composition pads. I think best with a pen and paper, and writing lists and drawing sketches are the best ways I know to organize my own thoughts.

Since 1998, I have filled thirty-nine composition pads. They line a shelf in my home office. They serve as a catalog for my thoughts, ideas, and life events.

Unfortunately,...
ttk
Member
Posted in Reflection
Views 281 Comments 0 ttk is offline
Old

From zero to Ventrilo in 5 minutes...

Posted 06-05-2013 at 09:30 PM by rocket357 (Musings on technology, philosophy, and life in the corporate world)
Updated 06-05-2013 at 11:18 PM by rocket357

Long story short:

Me. Rackspace cloud. Start timer.

Spin up Ubuntu 13.04 cloud server (512 MB size is perfect for this), start downloading Ventrilo Server for Linux. Edit Cloud DNS in the Rackspace mycloud portal to add A/CNAME/PTR after the assigned ip's show up...

A few moments later, login to server. Change root password. scp Ventrilo installer to server. Install the Rackspace cloud monitoring agent.

Create vent user. Untar...
Member
Posted in Uncategorized
Views 1290 Comments 1 rocket357 is offline
Old

Basic CLI (Command Line Interface) Tools Pt. 1

Posted 06-04-2013 at 04:11 PM by Nbiser
Updated 06-04-2013 at 04:16 PM by Nbiser

There are many tools in the command line interface that are good to know if you want to use Linux. But don't worry, they aren't all that hard to learn! First, you will need to open a terminal window (only if you are using a graphical user interface (GUI). Once you are in the terminal you can type
Code:
ls
This will display the contents of your current working directory, which should look something like this,
Code:
bin      Documents  Music     Public       Templates
Desktop  Downloads  Pictures
...
Member
Posted in Uncategorized
Views 2025 Comments 2 Nbiser is offline
Old

Upgrade to Linux Mint Olivia

Posted 06-02-2013 at 05:02 PM by bhupendra

The upgrade from Nadia (Mint 14) to Olivia (Mint 15) did not work. Had to do a fresh install. That meant having to reinstall all the software and Cairo-dock.
LQ Newbie
Posted in Uncategorized
Views 599 Comments 0 bhupendra is offline

  



All times are GMT -5. The time now is 04:56 PM.

Main Menu

My LQ
Write for LQ
LinuxQuestions.org is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
Syndicate
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
identi.ca: @linuxquestions
Facebook: linuxquestions Google+: linuxquestions
Open Source Consulting | Domain Registration