boolean

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Why are there so many notations for Boolean logic? [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow.[详细]

2023-04-04 16:38 分类：问答
OZ Programming language: Boolean guard

I am taking a subject at school which require us to use the Mozart Programming Interface. I do not really think mu开发者_开发技巧ch of it so far. But anyways, here is the question:[详细]

2023-04-03 20:29 分类：问答
SQLite inserting bool value

I need to insert BOOL value into SQLite table. If you have any thoughts开发者_如何学JAVA, or sample code please share.From http://www.sqlite.org/datatype3.html:[详细]

2023-04-03 01:41 分类：问答
How to convert string to boolean php

How can I convert string to boolean? $string = \'false\'; $test_mode_mail = settype($string, \'boolean\');[详细]

2023-04-03 01:34 分类：问答
Rails SQlite boolean problem

I am running Rails 3.0.9 and SQlite3 1.3.4 I have created a boolean called is_approved on my photos table.[详细]

2023-04-02 21:18 分类：问答
statechanging method

It\'s just a simple noobie question... I often use something like this(code) to change my GUI, so my question is if there\'s something more useful than using bool variables?[详细]

2023-03-31 22:29 分类：问答
manually defining boolean conjunction

In chapter 4 of Erik Meijer on Functional Programming Fundamentals, he essentially writes: True&&& x | x == True= True[详细]

2023-03-31 19:58 分类：问答
test indefinite amount of boolean for if statement

I have a for statement that runs a few mysql querys but they wont always be the same number of querys like this:[详细]

2023-03-31 11:37 分类：问答
JDO cannot map java.lang.Boolean for Apache Derby

This is my first time to use Eclipse and JDO. I have a problem when using Schema Tool in Eclipse to generate DDL.[详细]

2023-03-30 23:23 分类：问答
Python: if not val, vs if val is None

I\'ve always coded in the style of if not value, however, a few guides have brought to my attention that while this style works, it seems to have 2 potential problems:[详细]

2023-03-30 11:56 分类：问答