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Questions tagged [addition]

Addition is a mathematical operation that represents combining collections of objects together into a larger collection. It is signified by the plus sign (+).

Addition is a mathematical operation that represents combining collections of objects together into a larger collection. It is signified by the plus sign (+).

It is commutative, meaning that order does not matter, and it is associative, meaning that when one adds more than two numbers, order in which addition is performed does not matter.

(Wikipedia)

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How to subtract two strings?

I have a long string, which is basically a list like str="lamp, bag, mirror," (and other items) I was wondering if I can add or subtract some items, in other programming languages I can easily do: str=str-"bag," and get str="lamp, mirror," this…
max smith
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Difference between add and addu

I am confused about the difference between add and addu. The MIPS instruction reference says: add (with overflow) add unsigned (no overflow) My understanding is to use add with signed operands and addu with unsigned operands. But let's consider…
collimarco
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Are 'addition' and 'bitwise or' the same in this case?

Say I have four 32-bit numbers, defined so that their bits don't overlap, i.e. unsigned long int num0 = 0xFF000000; unsigned long int num1 = 0x00FF0000; unsigned long int num2 = 0x0000FF00; unsigned long int num3 = 0x000000FF; Where in each number…
Albus Dumbledore
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Algorithm to add or subtract days from a date?

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 very complex, and google doesn't turn up much, Does…
bcoughlan
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How to add an object to an ArrayList in Java

I want to add an object to an ArrayList, but each time I add a new object to an ArrayList with 3 attributes: objt(name, address, contact), I get an error. import java.util.ArrayList; import java.util.Scanner; public class mainClass { public…
Johnfranklien
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How do I replace embedded resources in a .NET assembly programmatically?

I am trying to replace a Resource of an exe (.NET, C#) file using C# code. I have found this article and made this code (using Mono.Cecil 0.6): AssemblyDefinition asdDefinition = AssemblyFactory.GetAssembly("C:\\File.exe"); EmbeddedResource erTemp =…
eranj
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Code for adding to IEnumerable

I have an enumerator like this IEnumerable page; How can I add a page (eg: D:\newfile.txt) to it? I have tried Add, Append, Concat etc But nothing worked for me.
Sudha
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Add Moving average plot to time series plot in R

I have a plot of time series in ggplot2 package and I have performed the Moving average and I would like to add the result of moving average to the plot of time series. Sample of Data-set (p31): ambtemp dt -1.14 2007-09-29…
A.Amidi
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Addition is not working in JavaScript

I am trying to learn Javascript. Here I am confused with the following code. http://rendera.heroku.com/usercode/eae2b0f40cf503b36ee346f5c511b0e29fc82f9e When I put x+y in the function it is going wrong. For example 2+2=22, 5+7=57 But /, *, - are…
Theepan K.
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How to add all items in a String array to a vector in Java?

My code looks like this : Vector My_Vector=new Vector(); String My_Array[]=new String[100]; for (int i=0;i<100;i++) My_Array[i]="Item_"+i; ...... My_Vector.addAll(My_Array); But I got an error message, what's the right way to do…
Frank
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Is floating-point addition and multiplication associative?

I had a problem when I was adding three floating point values and comparing them to 1. cout << ((0.7 + 0.2 + 0.1)==1)<
Karen Tsirunyan
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I am unable to add an element to a list? UnsupportedOperationException

This one list object is biting me in the butt.. Any time I try to add an element to it, it produces this: Caused by: java.lang.UnsupportedOperationException at java.util.AbstractList.add(AbstractList.java:148) at…
Gray Adams
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Android Add image to text (in text View)?

first post here=) I've been looking for this answer and haven't been able to find it. What I want to do is have some text, then add a image, then rest of text. For example: ____ | | Hi…
user1162299
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Add characters to a numeric column in dataframe

I have a dataframe like this: V1 V2 V3 1 1 3423086 3423685 2 1 3467184 3467723 3 1 4115236 4115672 4 1 5202437 5203057 5 2 7132558 7133089 6 2 7448688 7449283 I want to change the V1 column and add chr before the number.…
Lisann
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Add a new column to the file

How can I add a new column to a file using awk? original.file F1 F2 F3 ..F10 add F11 to original.file F1 F2 F3 ..F10 F11
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