equivalence Questions
25
Solved
In Prototype I can show a "loading..." image with this code:
var myAjax = new Ajax.Request( url, {method: 'get', parameters: pars,
onLoading: showLoad, onComplete: showResponse} );
function show...
Cleanup asked 16/9, 2008 at 1:18
1
I have 3 allocatable 1D arrays in a Fortran routine, VX(:), VY(:), VZ(:), all with the same size.
I need to aggregate them in a 2D array named VARXYZ and send it to a routine that modifies the 'mat...
Engraving asked 1/1, 2022 at 9:54
4
Solved
I've been trying to understand the difference between JavaScript's comparison operators: identity and equality. From what I've read, if you check the equality of two objects using ==, JavaScript wi...
Counterblast asked 27/3, 2011 at 3:34
7
Solved
I wonder what the difference is between those operations in Scheme. I have seen similar questions in Stack Overflow but they are about Lisp, and there is not a comparison between three of those ope...
Cerelia asked 30/4, 2013 at 11:52
7
Solved
I have a table-driven test case like this one:
func CountWords(s string) map[string]int
func TestCountWords(t *testing.T) {
var tests = []struct {
input string
want map[string]int
}{
{"foo",...
Cirrhosis asked 13/8, 2013 at 11:52
4
Solved
If you execute the following statement in Python 3.7, it will (from my testing) print b:
if None.__eq__("a"):
print("b")
However, None.__eq__("a") evaluates to NotImplemented.
Naturally, "a"._...
Furl asked 31/12, 2018 at 6:3
8
Solved
In database theory, what is the difference between "conflict serializable" and "conflict equivalent"?
My textbook has a section on conflict serializable but glosses over conflict equivalence. The...
Tropous asked 11/12, 2012 at 15:27
3
Solved
Which is the best or easiest method for determining equivalence between two automata?
I.e., if given two finite automata A and B, how can I determine whether both recognize the same language?
The...
Cottontail asked 1/8, 2011 at 22:4
6
I understand how equivalence testing works.
How is it the same or different from boundary value testing?
Eveliaevelin asked 15/12, 2009 at 18:8
6
Solved
For example, in an assignment given to me, we were asked to find out if two regular expressions are equal or not.
(a+b+c)* and ((ab)**c*)*
My question is how is one supposed to do that? If I dra...
Radiate asked 22/1, 2012 at 14:8
3
Solved
I've been reading Douglas Crockford's JavaScript: The Good Parts, and I came across this weird example that doesn't make sense to me:
'' == '0' // false
0 == '' // true
0 == '0' // true
false == ...
Exacting asked 27/3, 2011 at 4:9
4
Suppose there are some data types to express lambda and combinatorial terms:
data Lam α = Var α -- v
| Abs α (Lam α) -- λv . e1
| App (Lam α) (Lam α) -- e1 e2
deriving (Eq, Show)
infixl 0 :@
d...
Pelota asked 21/10, 2012 at 19:49
1
Solved
What is the difference between equivalence and equality in C++?
There is a very similar question here. However, this question is tagged with math, while I am interested in the meaning in C++ conte...
Flasket asked 12/8, 2015 at 20:38
7
Solved
I was trying to get some code done for class:
public int getValue(char value) {
if (value == 'y') return this.y;
else if (value == 'x') return this.x;
Since I might not be able to return anyth...
Handcart asked 8/6, 2015 at 19:54
2
Is it possible to overload equivalence (==) operator for a custom class inside that custom class. However I know that it is possible to have this operator overloaded outside class scope. Appreciate...
Businesslike asked 4/3, 2015 at 6:43
1
Solved
Say I have two literals of type 'T'. I'd like to test if they were equivalent, but type 'T' only has the "less than" operator implemented. How would I be able to test this in C++?
Jampan asked 10/10, 2014 at 20:31
2
Solved
I am curious to know if these two are functionally equivalent in all cases.
Is it possible that by changing the dictionary's default comparator that these two would be functionally different?
Als...
Judaist asked 23/11, 2011 at 0:27
1
Solved
In haskell I can use
sortBy (comparing snd)
to sort by the second value in a tuple.
Is there an equivalent function for testing equivalency?
I've come up with this but maybe there is somethin...
Ratan asked 17/1, 2014 at 0:20
1
Solved
From http://stdcxx.apache.org/doc/stdlibref/less-equal.html:
You can pass a less_equal object to any algorithm that requires a binary function. For example, the sort() algorithm can accept a binar...
Vilayet asked 29/5, 2013 at 22:4
2
Solved
I have 'if statements' from two different sources, which try to implement the same condition possibly in a different way. The 'if statements' are C.
If at all possible I need a python script that c...
Mancunian asked 6/3, 2013 at 21:50
3
I observed the following vector constructors in the Standard C++ library
explicit vector(size_type n);
vector(size_type n, const T& value, const Allocator& = Allocator());
Is there a rea...
Bollworm asked 2/2, 2013 at 17:29
4
Solved
Given the following:
a <- c(1,2,3)
b <- c(1,2,3)
c <- c(4,5,6)
A <- cbind(a,b,c)
I want to find which columns in A are equal to for example my vector a.
My first attempt would be:
...
Hypnoanalysis asked 19/10, 2012 at 8:38
9
Solved
I'm pretty sure I can remember doing something like this in one of my college level courses and that there was some kind of formula to it, but my mind is failing me beyond that.
Given the statemen...
Thou asked 20/3, 2009 at 15:35
4
Solved
The String.Format in .NET (maybe just VB.NET) convert {0}, {1}, ... into determined String, for example:
Dim St As String = "Test: {0}, {1}"
Console.WriteLine(String.Format(St, "Text1", "Text2"))
...
Misshapen asked 21/7, 2011 at 0:35
3
Solved
There are many cases in which JavaScript's type-coercing equality operator is not transitive. For example, see "JavaScript equality transitivity is weird."
However, are there any cases in which ==...
Caravette asked 14/4, 2011 at 20:44
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