All Questions
Tagged with operators comparison
146
questions
2
votes
1
answer
47
views
Understanding Array comparison while using custom data types with numpy
i have a question regarding comparison with numpy arrays while using cusom data types.
Here is my code:
import numpy as np
class Expr:
def __add__(self, other):
return Add(self, other)
...
- 61
0
votes
1
answer
45
views
Why I not am getting desired result while using == to compare elements of two SORTED arraylist [duplicate]
I want Make a new Arraylist of the common element from Two SORTED ARRAYLIST list1 and list2
I use "==" operator and got wrong answer the I used ".equals()" operator and got ...
- 1
-1
votes
1
answer
780
views
When using IN_LIST in a CMake condition, getting "Unknown arguments specified"
Consider the following CMakeLists.txt file:
cmake_minimum_required(VERSION 3.25.0 FATAL_ERROR)
project(foo)
set(my_list one two three)
if ("two" IN_LIST ${my_list})
message("two is in ...
- 127k
-1
votes
1
answer
102
views
What's the benefit of 3-ways comparison operator (<=>) in C++20?
I know the syntax of it.
I just wondering what's the benefit or whether does it make sens.
Without it, we must code like this:
void func1(int x, int y) {
if( x > y )
doSomeThing();
...
- 1,997
0
votes
1
answer
46
views
PHP bug or just a logical flaw
I need to know why, the real logical reason, that the following comparison is executing the "echo" line! It seems to be some kind of sorcery. If you take out the "+" sign, it won't ...
-1
votes
2
answers
55
views
Python 'and' operator: what will 'and' return when comparing two numbers? [duplicate]
print(45 and 2)
What is the mechanism behind the result of 2?
- 1
0
votes
2
answers
640
views
A short python program
I am new to learning python and need to write two lines of code to get the result using comparison operators and not if blocks. Help would be greatly appreciated, thanks.
Using one of the comparison ...
user17933969
1
vote
1
answer
30
views
php why does TRUE == "expired"?
This drove me nuts for a few hours.
I have a function returning one of the three following values:
function checkValid() {
...
return array("expired",$oldDate,$newDate) ;
return ...
- 3,016
2
votes
1
answer
293
views
Powershell -eq operator
Why does the expression "1" -eq 1 comes TRUE in powershell ? The first one is of string type and the second one is of integer type why is it treating them as equal.
- 23
-1
votes
1
answer
106
views
I need to check if a number is equal,2x,3x,4x,5x greater than the other. How can i do this?
Basically I just need this program to tell me that if a>b and by how much.So the conditions I need to check are if a==b, a>b,b<a and also I need to know how many times greater, which ranges ...
4
votes
1
answer
220
views
Simplify three way comparison a < b < c || b < c < a || c < a < b;
Is there a shorter way to compute this boolean expression?
a < b < c || b < c < a || c < a < b
In JavaScript this would be:
a < b && b < c || b < c && c < ...
- 122k
1
vote
3
answers
2k
views
Can someone explain this simple concept of null and undefined, more specifically single double & triple equals, or can you link the best explanation [duplicate]
How is null equal to undefined and not equal to undefined within the same operator.
undefined == null
true
undefined !== null
true
undefined === null
false
undefined != null
false
user15741239
0
votes
3
answers
3k
views
What is a==b==c in C? [duplicate]
int main()
{
int a=0,b=0,c=0;
if (a==b==c)
{
printf("111\n");
}
else
{
printf("222\n");
}
if (a==b)
{
printf("...
- 11
-1
votes
1
answer
69
views
Cannot understand uncommon syntax [duplicate]
I have recently come across a function which calculates the day of the week for any given date. The function is shown below.
unsigned int getDayOfWeek(const unsigned int day, const unsigned int month, ...
- 13
1
vote
2
answers
874
views
C-Comparison with multiple variables in a if statement
Hi so i'm new at coding in C and i'd like to know how to compare several variables.
Cause my if statement is only working for the first variable and ignore the ||.
scanf("%d %c %d", &...
- 27