boolean

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Passing a condition as a parameter

Is it possible to pass a condition as parameter as you do with actions? Here\'s an example. public void Test(Action action, Condition condition);[详细]

2023-03-30 09:02 分类：问答
Boolean variable always returning false

bool Payment::checkUniqueIdentifier(const QString &invoice) { qDebug() << \"entering Payment: check if the invoice has an associated unique identifier or not for the invoice=\" + invoice;[详细]

2023-03-29 21:33 分类：问答
Objective-C: Result of casting id to BOOL?

Does the following function return YES if object != nil? - (BOOL)boolForObject:(id)object { return (BOOL)object;[详细]

2023-03-29 13:45 分类：问答
PHP: if (!$val) VS if (empty($val)). Is there any difference?

I was wondering what\'s the difference the two cases below, and which one is recommend开发者_C百科ed?[详细]

2023-03-29 12:37 分类：问答
C# Entity Framework - Allowing only one record to have a boolean value of true in a certain column

I have a question that does sound a bit vague. What is the best way to implement in C# using the Entity Framework a way of ensuring that for a certain column in the table only one record is allowed t[详细]

2023-03-29 00:07 分类：问答
How to control boolean rendering in xslt

To conform with the <boolean> spec of Xml-RPC I need to transform my xs:boolean from true|false to 1|0.[详细]

2023-03-28 11:15 分类：问答
How to print boolean value in Go?

As we开发者_开发百科 have %d for int. What is the format specifier for boolean values?If you use fmt package, you need %t format syntax, which will print true or false for boolean variables.[详细]

2023-03-28 06:00 分类：问答
Simple MySql conditional SELECT Query Problem with BOOLEAN

I\'ve got a pretty simple issue here which I can\'t get to work. SELECT * FROM pto_products WHERE blacklist IS NULL AND pzn LIKE \'%$term%\' OR name LIKE \'%$term%\'[详细]

2023-03-28 04:23 分类：问答
Is there an XNOR (Logical biconditional) operator in C#?

I could not find an XNOR operator to provide this truth table:开发者_运维知识库 aba XNOR b ----------------[详细]

2023-03-28 03:49 分类：问答
Adding boolean column to rails database prevents messages from being saved?

def create msg = current_user.msgs.build(params[:msg]) msg.message = msg.message msg.created_at = Time.now # HACK[详细]

2023-03-27 19:07 分类：问答