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  2. Time-delay combination locks - Wikipedia

    en.wikipedia.org/wiki/Time-delay_combination_locks

    Modern time delay combination locks can have many functions such as multiple different codes, pre-set time lock settings (open and close times), pre-set vacation times (e.g. Christmas Day), dual code facility, and a full audit trail providing a detailed record of the lock history showing who opened the lock, when and how long it was open. [3] [4]

  3. Event-driven programming - Wikipedia

    en.wikipedia.org/wiki/Event-driven_programming

    In addition to writing the event handlers, event handlers also need to be bound to events so that the correct function is called when the event takes place. For UI events, many IDEs combine the two steps: double-click on a button, and the editor creates an (empty) event handler associated with the user clicking the button and opens a text ...

  4. Time-triggered architecture - Wikipedia

    en.wikipedia.org/wiki/Time-triggered_architecture

    Time-triggered architecture (abbreviated as TTA), also known as a time-triggered system, is a computer system that executes one or more sets of tasks according to a predetermined and set task schedule. [1] Implementation of a TT system will typically involve use of a single interrupt that is linked to the periodic overflow of a timer.

  5. Implicit directional marks - Wikipedia

    en.wikipedia.org/wiki/Implicit_directional_marks

    In the first example, without an LRM control character, a web browser will render the ++ on the left of the "C" because the browser recognizes that the paragraph is in a right-to-left text and applies punctuation, which is neutral as to its direction, according to the direction of the adjacent text. The LRM control character causes the ...

  6. Vector clock - Wikipedia

    en.wikipedia.org/wiki/Vector_clock

    Example of a system of vector clocks. Events in the blue region are the causes leading to event B4, whereas those in the red region are the effects of event B4. Initially all clocks are zero. Each time a process experiences an internal event, it increments its own logical clock in the vector by one.

  7. Time formatting and storage bugs - Wikipedia

    en.wikipedia.org/wiki/Time_formatting_and...

    On 5 January 1975, the 12-bit field that had been used for dates in the TOPS-10 operating system for DEC PDP-10 computers overflowed, in a bug known as "DATE75". The field value was calculated by taking the number of years since 1964, multiplying by 12, adding the number of months since January, multiplying by 31, and adding the number of days since the start of the month; putting 2 12 − 1 ...

  8. libevent - Wikipedia

    en.wikipedia.org/wiki/Libevent

    libevent is a software library that provides asynchronous event notification. The libevent API provides a mechanism to execute a callback function when a specific event occurs on a file descriptor or after a timeout has been reached. libevent also supports callbacks triggered by signals and regular timeouts.

  9. DOM event - Wikipedia

    en.wikipedia.org/wiki/DOM_event

    Used to indicate whether or not an event is a bubbling event. cancelable boolean Used to indicate whether or not an event can have its default action prevented. timeStamp DOMTimeStamp Used to specify the time (in milliseconds relative to the epoch) at which the event was created.