subtraction

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Android Java : How to subtract two times?

Iuse some kind of stopwatch in my project and I have start time ex: 18:40:10 h stop timeex: 19:05:15 h[详细]

2023-01-12 07:14 分类：问答
how to subtract circle from an arbitrary polygon

Given an arbitary polygon with vertices stored in either clockwise/counterclockwise fashion (depicted as a black rectangle in the diagram), I need to be able to subtract an arbitrary number of circles[详细]

2022-12-29 22:50 分类：问答
How to subtract data in different rows

I have a file that has a single column of numbers. I have to subtract value in row1 from value in row2, row3-row2; row4-row3 , row5-row4 and so on for all t开发者_开发问答he rows . Could anybody help[详细]

2022-12-28 15:29 分类：问答
NSDecimalNumber subtraction

I need to subtract 0.5 from number a and set the answer to number b. My code looks like it would work but I\'m not sure what I\'m doing wrong. The error I get Is on the subtraction li开发者_StackOverf[详细]

2022-12-27 18:38 分类：问答
Trouble with javascript subtraction

I\'m working on a simple subtraction problem, but unfortunately it keeps returning NaN Here is the function[详细]

2022-12-24 03:26 分类：问答
subtract one image from another using openCV

How can I subtract one image from another using openCV? Ps.: I coudn\'t use the python implementation because I\'ll have开发者_StackOverflow中文版 to do it in C++#include <cv.h>[详细]

2022-12-24 02:26 分类：问答
Algorithm to add or subtract days from a date?

I\'m trying to write开发者_StackOverflow中文版 a Date class in an attempt to learn C++. I\'m trying to find an algorithm to add or subtract days to a date, where Day starts from 1 and Month starts fr[详细]

2022-12-21 21:20 分类：问答
Mysql auto fill field based on value of two other fields?

I know its possible to autoincrement values, but i was wondering if its possible to fill a field based on the value of two other fields. I have a table with the fields:[详细]

2022-12-21 17:16 分类：问答
How to subtract a month from Date object?

How do I subtract a month from a date object in VB.NET? I have tried: Today.AddMonths(-1) However,开发者_运维百科 given that Today is 01-Jan-2010, the result I get is 01-Dec-2010. The answer I wan[详细]

2022-12-18 18:10 分类：问答
How to subtract two unsigned ints with wrap around or overflow

There are two unsigned ints (x and y) that need to be subtracted. x is always larger than y.However, both x and y can wrap around; for example, if they were both bytes, after 0xff comes 0x00.The probl[详细]

2022-12-16 20:55 分类：问答