operation Archives

[Solved] Calculate difference between two times in Java [closed]

October 2, 2022 by Kirat

Have you heard of carryover? If diff value is <0, add 60 and subtract 1 from next higher value. From 7 50 25 to 14 25 12:hour = 14 – 7 = 7minute = 25 – 50 = -25second = 12 – 25 = -13 So add 60 seconds, and subtract 1 minute:second = -13 … Read more

[Solved] Problem doing multiplication operation in a select between a float and an integer in sqlite [closed]

September 25, 2022 by Kirat

Sqlite uses ., not , for the decimal point in a floating pointer number (Do any sql databases accept a comma for it?). When you multiply a number (4) by a string (‘99,99′) the leading numeric portion of the string is converted to a number, so you’re seeing the result of 4 * 99. (SELECT … Read more