subtraction Questions
4
I am trying to create a calculator, but I am having trouble writing a function that will subtract numbers from a list.
For example:
class Calculator(object):
def __init__(self, args):
self.args ...
Purgative asked 1/4, 2012 at 10:0
12
Solved
I saw that in dart there is a class Duration but it cant be used add/subtract years or month. How did you managed this issue, I need to subtract 6 months from an date. Is there something like momen...
Berth asked 20/2, 2019 at 17:22
3
Solved
df1:
City, 2015-12-31, 2016-01-31, ...
YYZ 562.14, -701.18, ...
DFW 562.14, -701.18, ...
YYC 562.14, -701.18, ...
df2:
City, 2015-12-31, 2016-01-31, ...
SFO 562.14, -701.18, ...
PDX 562.14, -...
September asked 6/12, 2016 at 4:35
11
Solved
I'm trying to subtract 1 month from a date.
$today = date('m-Y');
This gives: 08-2016
How can I subtract a month to get 07-2016?
Knockout asked 3/8, 2016 at 8:55
9
Solved
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 ...
Gramme asked 13/1, 2010 at 23:56
10
How to remove a pandas dataframe from another dataframe, just like the set subtraction:
a=[1,2,3,4,5]
b=[1,5]
a-b=[2,3,4]
And now we have two pandas dataframe, how to remove df2 from df1:
In [5...
Watchword asked 19/5, 2016 at 3:54
6
Solved
I have created a class with two fields that need to be dates, start_date and date_passed. I have been researching the best way in java to have dates in a YYYY MM DD format that allows for easy date...
Kneedeep asked 4/11, 2015 at 19:4
5
I have successfully implemented a shunting yard algorithm in java. The algorithm itself was simple however I am having trouble with the tokenizer. Currently the algorithm works with everything I wa...
Cleasta asked 8/3, 2011 at 23:41
11
Solved
Anyone know a simple way using Java calendar to subtract X days from a date?
I have not been able to find any function which allows me to directly subtract X days from a date in Java. Can someone ...
Dulcedulcea asked 17/10, 2008 at 14:14
4
Solved
Is there a way to subtract the smallest value from all the values of a column? I need to subtract the first number in the 1st column from all other numbers in the first column.
I wrote this script...
Bein asked 31/7, 2010 at 3:28
9
Solved
I have 2 dictionaries, A and B. A has 700000 key-value pairs and B has 560000 key-values pairs. All key-value pairs from B are present in A, but some keys in A are duplicates with different values ...
Nautical asked 3/2, 2016 at 20:34
2
Solved
I have some CGPath (a poly with two circle) carried out on a CAShapeLayer.
Can I trim/subtract paths like this?
Melvamelvena asked 14/10, 2013 at 13:24
2
Solved
I have seen a lot of info on how to subtract one datetime from the other and how to add years on to a datetime. but the following is giving me a headache....
When a user inserts a record a hidden ...
Borges asked 30/4, 2010 at 9:28
6
Solved
Why is q == 0 in the following script?
<script>
var start = 1234567890123456789;
var end = 1234567890123456799;
var q = end - start;
alert(q);
</script>
I would think the result ...
Kliber asked 12/1, 2010 at 15:37
10
Solved
I'm trying to write 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 from 1. It's proving to be ...
Savil asked 26/2, 2010 at 19:41
6
I just have a simple question about arrays in C:
What is the best way to remove elements from an array and in the process make the array smaller.
ie: the array is n size, then I take elements out o...
Originate asked 4/4, 2013 at 20:30
11
I have 2 queries in MS SQL that return a number of results using the COUNT function.
I can run the the first query and get the first result and then run the other one to get the other result, subt...
Sondra asked 19/10, 2009 at 14:41
5
Solved
I use some kind of stopwatch in my project and I have
start time ex: 18:40:10 h
stop time ex: 19:05:15 h
I need a result from those two values like final time = stop - start
I found some examp...
Rubenrubens asked 18/8, 2010 at 17:3
4
Solved
How to subtract two time values in SQL Server 2008. I am using time variables in a stored procedure.
Please help.
Compost asked 5/10, 2010 at 11:17
4
def function():
n=123.456
x=int(n)
y=n-int(n)
print(x,y)
result:
x= 123
y= 0.45600000000000307
how to get exactly .456 without using library function,
n can be any floating number
Marcy asked 4/11, 2019 at 4:35
3
Solved
I have been looking for an answer for a few hours now, but I can't find one.
I'm writing a simple script. The user sets their work start and end time. So, for example, somebody is working from 8:0...
Centric asked 28/3, 2011 at 18:42
4
Solved
Suppose that A and B are signed positive integers, then for A-B, it's calculated using A+2's complement of B.
For example, in a 4-bit binary system, for signed integers, we have
7-3=0111-0011=0111...
Zig asked 8/11, 2011 at 15:42
5
I'm trying to build a function that takes a variable number of arguments.
The function takes n inputs and calculates all possible sums of addition and subtraction e.g. if the args are 1,2,3
1 + 2...
Saxhorn asked 2/7, 2019 at 4:40
5
Solved
I have some basic doubts, but every time I sit to try my hands at interview questions, these questions and my doubts pop up.
Say A = 5, B = -2. Assuming that A and B are 4-bytes, how does the CPU ...
Gristle asked 26/4, 2011 at 16:58
3
Solved
I have a large data set with a column of text, 20K rows. Would like to remove the first x number (e.g. 3) of characters at the beginning of each row in that specific column. Appreciate your assista...
Lapp asked 22/2, 2019 at 23:17
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