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Update to Ubuntu 14.04, huge problems with the display!

Oka, so today I finally got the chance to upgrade to Ubuntu 14.04, hopefully soon to 14.10 too.

I have to say that in general, it looks like they've done a good job as things seem to work better...

However, the display setup got lost. My HP 2509m monitor is connected through a KVM and because of that, it does not always work as expected. That is, the nVidia card does not get to read the monitor information. It took me a while, but I found a way to fix the problem.

First of all I connected the monitor directly to my computer. That gave me the ability to change the resolution to 1920x1080 ...

One computer, multiple users (Multiseat with X11)

I have been wondering about setting up one of my computers for 2 or 3 users with 3 mice, 3 keyboards and 3 monitors.

This apparently may require 3 video boards with Ubuntu. That could be a problem with AGP, but PCI Express may work fine with that. Only problem, in most cases boards only have 2 slots these days...

Anyway, if I ever try to do that, I'll put the info here on how I got it to work... for now, you'll want to look at this page on Ubuntu:

https://help.ubuntu.com/community/MultiseatX

https://wiki.ubuntu.com/MultiseatTeam/Status

...

There are some forms where Drupal '#size' does not seem to work, why?!

I created a form a while back and included an entry like this:

  '#size' => 10

in several text fields of the form. Especially useful when you add a suffix:

  '#field_suffix' => 'Something'

But that would not do anything... I looked at the output of the form and it looked 100% correct. In other words, the input tag had its size="10" properly set. So the next step was to find whether some CSS code would be in the way.

You bet! The node.css file includes the following:

Closing a window from Flash

I had a little project which requirements was an Adobe Flash animation that calls a JavaScript function to close a browser window.

With the newest version of Internet Explorer, it will first ask you whether you want to let the script close your window... that's a problem when you'd like that process to be smooth (i.e. without user interaction.)

SeaMonkey 2.0

I guess I liked Netscape just way too much... I used Mozilla after Netscape went down and bust, then I continued with SeaMonkey 1.x and now I just finished installing SeaMonkey 2.0.

There are features in this system that are just better than in FireFox. However, SeaMonkey 2.0 is a re-sync. with FireFox 3.x. In other words, this is very similar to FireFox, with the correct display features of the HTML code. But it keeps the menu, preferences and look in general of SeaMonkey. (although the fonts have changed... I'll have to get used to those!?)

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Inline lists

Lists are most of the time used to create menus. These menus can easily be shown vertically on one side or another of your website.

Now, most of the time, you will want to have one or two menus showing horizontally (like the top menu on this site, although that one is very specific to the Cute menu module.)

If you are reading this, you probably already know how to create such menus. The HTML code looks like this:

<ul>
  <li>Item 1</li>
  <li>Item 2</li>
  <li>Item 3</li>
</ul>

Note that sub-menu items are possible too, ...

URL limits in browsers location bar

I thought it was interesting to see that some people actually tested the length of URLs in different browsers. You have to know that the size of a URL in the location bar may be differently limited than the length of the URLs you can go to with the browser (i.e. the URL in an anchor may need to be shorter! Or could be longer and still work.)

Note: These are Browsers limits in 2006.

Change the display resolution

Often, when one writes a game, one wants a specific resolution to make sure that the game works as expected. Zoomed out textures may not look as nice and the speed could be affected too (drawing 1280x1024 pixels instead of 640x480 is more than 4x higher and all video boards won't be as fast as required in this case). Under MS-Windows you can ask the system to change resolution (size & depth) with a call to ChangeDisplaySettings().

GNU Free Documentation License

                GNU Free Documentation License
                 Version 1.3, 3 November 2008


 Copyright (C) 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc.
     
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.

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