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Make Firefox NOT close when I close the last tab

I found it a pain to see the Firefox window gets closed when I click the close button of the last tab.

When I use that same feature in SeaMonkey, it does not close the main window, instead it makes the tab empty.

Today I thought that maybe they had a flag in there to decide whether the main window should be closed or not and indeed they have:

browser.tabs.closeWindowWithLastTab

So all you have to do is change this flag to 'false' (the default in FF being true now) and closing the last tab won't close the window!

To change your Firefox configuration use:  about:config

To ...

Performance Monitor under MS-Windows

I recalled reading somewhere that you could see the performance of NVidia cards under MS-Windows. Looking around I could not really see how that would be done. Today, though, I found out that perfmon does it all!

To start perfmon, click on your Start button and enter perfmon and click Run. You may also start it from a command line although perfmon is a graphical tool.

Once in there, click on ":Performance Monitor", it should appear under Monitoring Tools.

That won't give you the GPU information though, not by default.

When you right click on the area with the graph, you see ...

Right Alt key not working at all, why?

It has been a while that my right Alt key acted as the Level3 key instead of a right Alt key. I never cared for the AltGr on my QUERTY keyboard, but it kept popping up as the Level3 key even though I clearly removed that option in the keyboard settings under /etc/default/keyboard

XKBMODEL="pc105"
XKBLAYOUT="us"
XKBVARIANT=""
#XKBOPTIONS="lv3:ralt_switch"
XKBOPTIONS="compose:caps"

I commented out the level3 definition and instead put "compose:caps" which makes my CAPS Lock key work as a compose key (i.e. if you press ...

HP Printer options not offering "Color: Off" option anymore

As I upgraded to Ubuntu 13.10, I noticed that I lost the option to turn off the color when printing.

Looking around all the available options, no one to make it black and white (although the old option was saying something like: Color: Off; it was somewhat weird.)

Now that option is completely gone. There is no way for me to turn off my HP Printer color when I am in Acrobate or LibreOffice. I searched on the Internet to see whether that was just HP trying to get you to use colors on your printer or whether the option was available... somewhere else.

Indeed, I had to go to the System ...

New Ubuntu Desktop: Unity How To

I love Linux and use Ubuntu, but all of a sudden you don't have support for Gnome. Instead they now force you to use Unity. It's probably a good idea to go with the flow because trying to maintain Gnome is probably a hell of a lot of work so...

Losing your settings all the time? Check out When I lose gnome settings...

I have to have a few things in my window system:

1) Menus MUST be attached to the window I'm using. I don't like the Macintosh way. Sorry. To remove the menus from the top, run the following command:

sudo apt-get remove appmenu-gtk appmenu-gtk3 appmenu-qt

...

A Schema for engadget Solid State A/V Switch

I am working on an A/V switch with the kids and was annoyed by the fact that the page talking about how to do that did not include anything like a schema (it has some bus drawing... who cares?!) This being said, the concept is perfect and works just fine. It's just hard for me to see that when the person just says connect this here and that there and voilà!

Original A/V switch information:

http://www.engadget.com/2007/03/13/how-to-make-a-solid-state-a-v-switcher/

The source is a gschem file as created by gEDA Schematic Editor (a free tool you can get on Ubuntu.) Already the free ...

jQuery and functions/variables between a parent and an IFRAME

In the last few days I have been working on a small project to get a really nice form for one of my sites. The form uses a lot of JavaScript for all sorts of fancy things (such as check user input to make sure we don't accept total crap such as an empty entry or just "1" as a credit card number.)

The information finds itself in an IFRAME, which was the easiest way to get the time to load at decent speed and  to better manage the form in a separate area and not the main landing page. This will make it easier to maintain the landing page itself.

however, that created ...

Setting up an array of JavaScript functions in jQuery

Today I worked a bit with jQuery to create an advanced form. Advanced just because it is tabbed and appears in a pop-up, nothing too major really. Maybe later I'll add some tests to validate the data being entered before someone can submit the form...

In any event, I ran in a problem which was to create a set of click callback functions (event handlers) and each of which should make use of a different index. So... I have 4 tabs and each one has a number: 1, 2, 3, and 4.

Say I call each one of these numbers #tab1, #tab2, #tab3, and #tab4. Now I want to create a click function on each one ...

Compile error. in table-level validation expression. (Error 3320)

Today I started having some problems with my tables.

I had a default value set to Now() and it would tell me that it was invalid. I removed it and the save worked.

What would really be the problem though?

The thing is the compiler is used against ALL your Visual Basic modules and if any one of them fails to compile, then you get the error. I had one error in one module. Definitions of external (DLL) functions such as GetUserName() and GetComputerName() must all appear before any function declation. I had the GetUserName() declaration such as:

Private Declare Function GetUserName Lib ...

Multi-level lists in MS-Word... The new way!?

Okay, it has been a little while now, but each time I just have to search forever to find out how to create a multi-level numbering list.

By default, a list will appear as this:

1. Chapter

    1. Section

        1. Sub-Section

Which may work for you, but in many cases you want to have all the list numbers appearing in your section and sub-sections as in:

1. Chapter

    1.1 Section

        1.1.1 Sub-Section

Okay, so that in itself it actually very easy, but it used to be that you could ...

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  • reboot

    The action of restarting a computer is called reboot. This reloads the operating system and your different auto-start software.

    There are two types of reboots: a cold reboot and a warm reboot.

    The cold reboot is the one where you turn your computer all the way off and back on. It is considered to be the ultimate reboot which ensures that everything is alright.

    The warm reboot is when you just reboot your operating system. This means some of the hardware parts may not be fully reset as expected in a cold reboot. There are several reasons for this, at times the BIOS of your system does not give the correct signals to all the parts, and at times the signal doesn't propagate to all the parts as it should.

    This is why a warm reboot does not always work (i.e. think when you change a driver and the new driver is not able to properly reset the state of a board or chip... turning the computer all the way off and back on may resolve the problem.)

  • VB

    Abbreviation of Visual BASIC. See also VBA.