boolean

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How to test if Binary Data value exists/been set in CoreData?

I have a binary data attribute in Core Data that depending on a situation gets assigned a value (its actually a voice recording) or not.[详细]

2023-04-13 10:03 分类：问答
How do I create a class which instance can be evaluated as false? [duplicate]

This question already has answers here: How to inherit from NilClass or how to simulate similar function[详细]

2023-04-13 07:09 分类：问答
How do I pass a Boolean value between classes?

I am completely blanking on what i believe to be simple Java syntax. Here is an example of my first class:[详细]

2023-04-13 02:43 分类：问答
Combine two boolean equations to separate a boolean variables from others

I have 2 programs: X and Y. X has two bitmaps A and C. X calls Y. Y has a bitMap B. The code I need to execute in Y is[详细]

2023-04-12 06:48 分类：问答
bool variable not getting set to true C#

I have a boolean which is set to false when being declared, public bool row1 = false; However, when I run some code in order to set the boolean to true, it doesn\'t seem to be wokring,[详细]

2023-04-12 06:11 分类：问答
&& and || operators [duplicate]

This question already has answers here: Why does "++x || ++y && ++z" calculate "++x" first, even though operator "&&" has higher precedence than &q开发[详细]

2023-04-12 03:55 分类：问答
visual basic if statement that makes the user check at least one box and radio button or they cannot continue

This is what I have so far for the following scenario: I want to have it so that if a users clicks submit without checking a check box from one section it throws up a dialog box that makes the proces[详细]

2023-04-11 14:45 分类：问答
Extending the Boolean Object in Javascript with an 'invert' function

I would like to extend the Boolean object with a prototype function that inverts it\'s current value. Until now, I\'ve been doing something like this:[详细]

2023-04-10 20:51 分类：问答
Logical error in ternary operator

Can somebody explain me why that ternary operetor return the second option instead of the first ? This is the code :[详细]

2023-04-10 20:17 分类：问答
Whitespace detector returning errors

I created a method to basically detect white space characters.I go through a string and check each character for white space. If it is a white space character, I return true, and if it\'s not, I retur[详细]

2023-04-10 05:02 分类：问答