comparison-operators

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Comparison (operator's overloading) of large and sophisticated structures in c++

We must face serious issue while prepraing my project and working on code in c++. My code is build on multiple structures/classes where one is included in another.[详细]

2023-02-11 11:58 分类：问答
Type erasure and interoperability: virtual binary operator issues in C++

I have problems comparing template implementations of the same interface through overriden equality operator.[详细]

2023-02-08 15:30 分类：问答
Executing Update script only if all checks are done

I have an update script that updates username, password, telephone,usergenerated id etc.So lets say a user decides to change his/her telephone but not the username.But when they go to edit their infor[详细]

2023-02-07 20:19 分类：问答
C# Nullable Equality Operations, Why does null <= null resolve as false? [duplicate]

This question already has answers here: Why does >= return false when == returns true for null values?[详细]

2023-02-05 04:20 分类：问答
comparison operator

It may be silly question. Is there any way to give comparison operator at runtime using string variable.[详细]

2023-01-20 14:36 分类：问答
Checking if integer falls in range using only < operator

I need to come up with some code that checks if a given integer falls within the bounds of a range.(The range is represented by a pair of integers.)[详细]

2023-01-20 06:44 分类：问答
How to overload operator==() for a pointer to the class?

I have a class called AString. It is pretty basic: class AString { public: AString(const char *pSetString = NULL);[详细]

2023-01-19 02:04 分类：问答
The importance of using === instead of == in php! [duplicate]

This question already has answers here: How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators differ?[详细]

2023-01-04 00:19 分类：问答
In Objective C, is there a difference between if (object == nil) and if (nil == object)?

I would lean towards if (object == nil) but I\'ve noticed in some tutorials the use of if (nil == object)[详细]

2023-01-03 20:56 分类：问答
PHP compare doubt

if(0 =开发者_开发百科= (\'Pictures\')) { echo \'true\'; } why it\'s giving me \'true\' ?Your string will be evaluated as an Integer, so becomes 0, use this : 0 === \'Pictures\' that verifies identit[详细]

2023-01-01 21:08 分类：问答