equality
Why does (= (vector nil) (vec nil)) return false?
Is 开发者_StackOverflowthis just a quirk, or is there some fundamental concept that implies this?vec converts into a vector(nil becomes an empty vector) while vector creates a vector with the given el[详细]
2023-02-10 01:51 分类：问答Common Lisp: How to check set equality, ignoring order?
Similar to this question: Setting up a equal function in common lisp using only "eq" except, I\'d like to be compare two sets for equality, disregard开发者_如何学Pythoning order. How would[详细]
2023-02-09 21:30 分类：问答NSMutableSet not Keeping Elements Unique
I have a custom class called \'Site\': #import \"Site.h\" #import <MapKit/MapKit.h> @implementation Site[详细]
2023-02-08 20:12 分类：问答String comparison : operator==() vs. Equals() [duplicate]
This question开发者_如何学运维 already has answers here: Closed 12 years ago. Possible Duplicate:[详细]
2023-02-05 19:50 分类：问答Test for equality among all elements of a single numeric vector
I\'m trying to test whether all elements of a vector are equal to one another. The solutions I have come up with seem somewhat roundabout, both involving checking length().[详细]
2023-02-05 15:18 分类：问答Equality inference in F# + records with mutable fields
The common equality/comparison members design guideline is to not implement structural equality on mutable reference types, but take a look at F# record types with mutable fields:[详细]
2023-02-05 03:13 分类：问答Can I define custom operator overloads in Javascript? [duplicate]
This question already has answers here: Javascript: operator overloading (9 answers) Overloading Arithmetic Operators in JavaScript?[详细]
2023-02-05 01:35 分类：问答PHP: Testing whether three variables are equal
I\'ve ne开发者_JAVA百科ver come across this before, but how would you test whether three variables are the same? The following, obviously doesn\'t work but I can\'t think of an elegant (and correct) w[详细]
2023-02-04 18:04 分类：问答using ≠ like != pros/cons
Is it ok to use ≠ instead of !=. I know it\'s an extra alt code and I\'ve never used this on a project but I\'ve tested it out and it works. Are there any pros/cons besides having开发者_JAVA百科 to A[详细]
2023-02-04 08:30 分类：问答is StringComparison.Ordinal the same as InvariantCulture for testing equality?
From their brief summary descriptions, it sounds like the string comparison rules StringComparison.Ordinal and StringComparison.InvariantCulture are meant to differ in how 开发者_Go百科they do sorting[详细]
2023-02-03 18:19 分类：问答
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