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Frequently Asked Questions

How do I enable X11 mouse acceleration?

Simple DirectMedia Layer
of SDL 1.0.8, you can set the environment variable SDL_VIDEO_X11_MOUSEACCEL to "X/Y", where 'X' is the numerator and 'Y' is the denomenator of the mouse acceleration. For example, if you wanted to set mouse acceleration to 2, you would set the variable to "2/1". By default SDL does not change the current X11 mouse acceleration.

How do I enable Email acceleration?

Dialup FAQ
Click with the right button of your mouse on the SlipStream icon in the system tray. Then click on Settings.

How can I enable 3D acceleration?

Armagetron: Documentation
Go to the web page of your graphic card vendor and look for help there. Most of the time, a driver update should do the trick. You can check there if 3D acceleration is supported for your version of Windows, too. For an automated setup for older video cards, try GLSetup.

Hardware Acceleration: Why is my mouse jerky when recording?

Repro Software: Capture, Communicate, and Reproduce Bugs (Re...
Out of the box, the Repro disables your desktop wallpaper when it starts and re-enables it exits. You can prevent Repro from disabling your wallpaper by clicking on the Repro Recorder System Tray Icon > Preferences > Video, and uncheck the "Disable desktop wallpaper while Repro is running." Desktop wallpaper is often difficult to compress. You can reduce performance overhead while recording and also reduce the size of the compressed Repro file by leaving this option checked.

How can I enable scrolling with the wheel of my mouse?

The Arch Linux FAQ
In most cases you only need to add Option ''ZAxisMapping'' ''4 5'' to the InputDevice section of your XF86Config. If that does not do the trick, try this6link for more resources and instructions. You upgraded to XFree 4.3.0 or higher. Run fc-cache as root to (re)build the font cache, and things should be fine. I'd recommend getting the latest self-installing driver package from http://www.nvidia.com and read the official README thoroughly as most problems are handled in it.

How do I configure my HIL-, PS/2- and USB-keyboard and mouse for the console and X11?

PARISC-LINUX: FAQ
All Linux kernels greater than version 2.4.18-pa45 - including all 2.6 Kernels - use the standard Linux input layer to access HIL-, PS/2 and USB keyboards and mice: To use your HIL-, PS/2- or USB-mouse with X-Windows (X11), configure either your /etc/X11/XF86Config-4 or /etc/X11/xorg.

What is acceleration?

FAQ
Acceleration is defined as how quickly an object changes its velocity; that is, the change of velocity divided by the change of time (the difference in time over which the velocity changed). There are three methods of acceleration: speeding up (accelerating), slowing down (decelerating), and turning (changing direction).

How do I enable backing store on my XFree86 or Xorg X11 Server?

baudline FAQ
By default XFree86 3.3.x has backing store enabled while XFree86 4.x.x does not. You can determine if backing store is currently enabled on your X Server by running "baudline -sysinfo". If the value of backing store is NotUseful, then for maximum baudline performance you should add the following backing store line to your /etc/X11/XF86Config or /etc/X11/xorg.conf file and then restart your X11 Server. The flickering of the mouse cursor (arrow) is caused by the new Xorg software cursor.

How to enable my PS/2 mouse and keyboard with Linux Kernel 2.6 ?

PARISC-LINUX: FAQ
In the 2.6 kernel series, we switched from a PA-RISC-only PS/2 mouse/keyboard driver to the standard Linux kernel PS/2 mouse and keyboard drivers. Hence, in order to get your PS/2 mouse/keyboard, which is either directly connected to your system or via a HIL&PS2-HUB, to work you'll have to enable

What is acceleration? What does "g" stand for?

California Geological Survey - Frequently Asked Questions
Acceleration, in physics, corresponds to the force applied to something that causes it to change its position or speed. It is the force you feel when a car accelerates from a stop sign, pushing you back into the car seat (it's a horizontal force). Similarly, when an elevator starts moving, you feel more weight on your legs (it's a vertical force). When a roller coaster car makes a hairpin turn, the acceleration may push you to the side, or up or down.

What is the difference between Richter magnitude and acceleration?

California Geological Survey - Frequently Asked Questions
The Richter magnitude indicates the size or strength of an earthquake. For illustration, a parallel can be drawn with how the strength of an explosion will often be reported in terms of tons of TNT (or sticks of dynamite, in old movies). In contrast, the acceleration, or "g force" usually refers to the shaking experienced at a specific point due to the earthquake.

Why X11 for the analyzer?

Proxel FAQ
The analyzer is coded using the GTK+ library. There are two ports of this library for Mac OS X. One port is using the native Mac interface. This was our target port. Unfortunately – this port of GTK+ is not in a stable version yet. We are therefore forced to release the analyzer based upon the X11 based port of GTK+. X11 can be installed from your Mac installation CD. You should run the application "Optional Installs.mpkg" and then choose to install "Applications/X11".

How do I enable uploading?

Manual:FAQ - MediaWiki
File uploads are an often-used feature of MediaWiki, but are disabled by default in all current release versions. To enable them, first make the upload directory (default images) writable by the web server (chmod 777 or allow the Apache user to write to it, etc.) then set $wgEnableUploads to true in LocalSettings.php (i.e. "$wgEnableUploads = true;"). See Manual:Configuring file uploads for more information.

How do I enable uploads?

MediaWiki FAQ - Meta
When I try to upload files in Mediawiki 1.5 I always get a "The file is corrupt or has an incorrect extension. Please check the file and upload again." error. When I try to upload bigger files in Mediawiki 1.5 I always get "Internal error! couldn't move "/tmp/somefile" to "/wikidir/images/temp/filename"

What Is A Mouse?

PC Basics
It is housed in a palm-sized case. When you move it on your desk, the corresponding arrow, commonly known as the pointer, moves on the computer screen. Think of it as a remote control for your computer. Move the mouse left and right, the pointer moves left and right. Move the mouse forward and backward, the pointer moves up and down the screen. Using the mouse to command the computer to do most tasks can eliminate many keyboard strokes.

How does PlyoCity compare to other acceleration programs?

Our Training Workout Schedule
PlyoCity strives to keep our program affordable for everyone. Team training costs vary depending on the number of athletes training per session. Individuals may train with other teams or as a part of a program like open gym. Typically team rates range from $4 to $6 per session, or $35 to $50 per month, per athlete. Typical Acceleration Programs: Minimum Commitment: $400.00 for six week program at two-three sessions per week. Averages over $30 per session.

Why do you measure acceleration, instead of velocity, or displacement?

California Geological Survey - Frequently Asked Questions
Acceleration gives the forces directly, so it can be used to establish the forces that a structure experiences during an earthquake. Also, acceleration sensors are generally the most hardy of all seismic sensors. In addition, they are usually small, only a few inches on a side, so they are easy to place at key locations in a structure. The acceleration record can be computer processed and integrated to obtain the velocity and displacement records.

What is "TCP acceleration"?

IraqSat: Frequently-Asked Questions
Transmission Control Protocol (TCP) uses a "three-way handshake" to initiate reliable data connections between two points in an IP network (such as the Internet). Because of the long round-trip times involved in VSAT communications, many commercial VSAT units "spoof" this process to initiate the TCP connection quickly. This spoofing is called "TCP Acceleration". It is performed by most systems sold by IraqSat, including Hughes DirecWay, Tachyon, and iDirect.
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