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Use keyboard shortcut ⌥ Opt+⌘ Cmd+E to instantly clear all caches; Alternatively: From the "Safari" menu, choose "Preferences..." (Shortcut: ⌘ Cmd+,) Click on the "Advanced" tab; Check the box at the bottom next to "Show Develop menu in menu bar" Close preferences and click Develop ‣ Empty Caches
In human–computer interfaces, the X keyboard extension or XKB is a part of the X Window System that extends the ability to control the keyboard over what is offered by the X Window System core protocol, and allows to use multiple keyboard layouts.
The keyboard sends the key code to the keyboard driver running in the main computer; if the main computer is operating, it commands the light to turn on. All the other indicator lights work in a similar way. The keyboard driver also tracks the shift, alt and control state of the keyboard.
The time to seek and depress a key (seek-time) and the time the key is held down (hold-time) may be characteristic of an individual, regardless of the total speed at which they type. Most people take longer to find or get to specific letters on the keyboard than their average seek-time for all letters.
The Apple Extended Keyboard (AEK, model M0115) is a computer keyboard that was first sold separately alongside the Macintosh II and SE starting in 1987. It was replaced in 1990 by the Apple Extended Keyboard II ( AEKII , model M3501) which was pre-packaged with Apple Professional Desktops starting with the Macintosh IIsi .
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In 1984, Ted Selker, a researcher at PARC, worked on a pointing stick based on a study [citation needed] showing that it takes a typist 0.75 seconds to shift from the keyboard to the mouse, and comparable time to shift back. Selker built a model of a device that would minimize this time.
For instance, plain water isn’t a good lubricant because it can wash away your body’s natural lubricant, leading to dryness, and items with a petroleum base (like Crisco) can increase your ...