Date and time algebra: Difference between revisions
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'''Problem'''. You want to know what will be the weekday name of the day 1000 day in the future from now. |
'''Problem'''. You want to know what will be the weekday name of the day 1000 day in the future from now. |
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'''Solution'''. Cuis has a class '''Duration''' and is capable of doing dates algebra. |
'''Solution'''. Cuis has a class '''Duration''' and is capable of doing dates algebra.<syntaxhighlight lang="smalltalk"> |
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((DateAndTime now) + (Duration days: 1000)) dayOfWeekName . "=>" #Saturday |
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'''Exercise'''. Explore the classes '''DateAndTime''', '''Duration''' and what is nearby in the Browser. |
'''Exercise'''. Explore the classes '''DateAndTime''', '''Duration''' and what is nearby in the Browser. |
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Latest revision as of 06:55, 13 May 2025
Problem. You want to know what will be the weekday name of the day 1000 day in the future from now.
Solution. Cuis has a class Duration and is capable of doing dates algebra.
((DateAndTime now) + (Duration days: 1000)) dayOfWeekName . "=>" #Saturday
Exercise. Explore the classes DateAndTime, Duration and what is nearby in the Browser.
Exercise. Find the distance in hours between your birth date and your mother's.