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Questions tagged boolean

110 questions · page 2 of 3

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100
votes
2
answers

What is the C99 _Bool data type and how do you use it?

c types boolean c99
asked 2011-01-22T12:57:36.723
11
votes
7
answers

Three-state Boolean

c boolean state
asked 2011-01-12T06:49:12.053
80
votes
8
answers

Boolean value switch/invert

php boolean
asked 2011-01-05T11:33:25.340
27
votes
4
answers

Performance: assign boolean value always or check value first?

c# .net vb.net boolean
asked 2011-01-03T17:40:31.190
43
votes
4
answers

MySQL Boolean "tinyint(1)" holds values up to 127?

mysql boolean tinyint
asked 2010-12-09T18:19:21.057
41
votes
4
answers

Django: Admin: changing the widget of the field in Admin

django django-admin boolean field django-widget
asked 2010-12-02T16:29:28.037
60
votes
6
answers

Is bool guaranteed to be 0 or 1 when converted to int?

c++ c type-conversion boolean
asked 2010-11-25T10:52:35.133
213
votes
3
answers

Converting string "true" / "false" to boolean value

javascript boolean
asked 2010-10-20T10:09:23.187
19
votes
4
answers

C : is there "lazy evaluation" when using && operator, as in C++?

c boolean evaluation
asked 2010-10-18T11:59:07.310
57
votes
5
answers

Difference between "if x" and "if x is not None"

python boolean
asked 2010-10-10T16:33:35.450
137
votes
4
answers

Booleans, conditional operators and autoboxing

java nullpointerexception boolean conditional-operator autoboxing
asked 2010-10-07T13:28:51.967
15
votes
3
answers

What is the order of evaluating boolean sentence?

c++ boolean
asked 2010-09-25T15:55:53.517
14
votes
2
answers

NSArray and bool values

objective-c arrays cocoa-touch nsarray boolean
asked 2010-09-22T13:11:48.253
161
votes
8
answers

Boolean vs tinyint(1) for boolean values in MySQL

sql mysql boolean tinyint
asked 2010-09-20T13:21:52.453
10
votes
5
answers

Determine if all checkboxes within jQuery object are checked, return as boolean

javascript jquery if-statement boolean
asked 2010-09-15T16:46:44.267
46
votes
4
answers

boolean variables posted through AJAX being treated as strings in server side

php jquery ajax boolean post-processing
asked 2010-09-06T21:44:32.890
18
votes
5
answers

_Bool and bool: How do I solve the problem of a C library that uses _Bool?

c++ c boolean
asked 2010-08-20T09:57:18.823
22
votes
3
answers

MySQL boolean - flipping the value?

mysql boolean
asked 2010-08-16T05:19:17.357
41
votes
9
answers

NSPredicate - filtering values based on a BOOLEAN stored value

iphone xcode nspredicate boolean
asked 2010-08-10T01:37:32.160
36
votes
5
answers

c++ convert class to boolean

c++ boolean user-defined-types
asked 2010-07-29T06:28:25.817
13
votes
5
answers

What is the binary representation of a boolean value in c#

c# binary bit boolean representation
asked 2010-07-26T14:36:33.110
22
votes
5
answers

Default constructor value for bool type

c++ default-value boolean
asked 2010-07-22T10:52:06.100
73
votes
7
answers

Is it Pythonic to use bools as ints?

boolean python
asked 2010-07-04T10:43:12.597
466
votes
9
answers

Is there a Boolean data type in Microsoft SQL Server like there is in MySQL?

sql-server types boolean
asked 2010-06-29T05:16:08.610
615
votes
65
answers

Check if at least two out of three booleans are true

java boolean boolean-logic
asked 2010-06-19T15:46:02.063
103
votes
2
answers

Default value of BOOL

objective-c initialization boolean
asked 2010-05-27T09:02:38.230
21
votes
13
answers

Can .NET convert "Yes" & "No" to boolean without If?

.net casting boolean
asked 2010-05-20T10:05:39.670
304
votes
3
answers

Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?

python boolean equality language-specifications
asked 2010-05-04T09:03:30.200
20
votes
4
answers

Why overload true and false instead of defining bool operator?

c# boolean overloading operator-keyword
asked 2010-04-19T21:24:10.553
29
votes
9
answers

Oracle's lack of a Bit datatype for table columns

oracle-database boolean
asked 2010-03-11T15:22:09.293
20
votes
6
answers

java: looping on the two boolean values (false, true)

java loops boolean
asked 2010-03-04T22:30:39.473
75
votes
6
answers

In Java, what are the boolean "order of operations"?

java logic boolean evaluation operator-precedence
asked 2010-02-15T02:00:28.047
9
votes
3
answers

Help with c# and bool on asp.net mvc

asp.net-mvc boolean
asked 2010-02-03T14:45:25.743
10
votes
8
answers

Can two booleans be compared in C++?

c++ comparison boolean
asked 2010-02-03T13:42:26.017
16
votes
9
answers

Should I return int or bool as a "truth value"?

c++ boolean return-type
asked 2010-01-20T03:18:26.227
19
votes
7
answers

Why is a C++ bool var true by default?

c++ static boolean default
asked 2010-01-11T18:12:06.507
887
votes
19
answers

Using Boolean values in C

c boolean
asked 2009-12-17T12:46:49.130
88
votes
7
answers

Convert.ToBoolean and Boolean.Parse don't accept 0 and 1

.net boolean
asked 2009-12-14T21:56:07.767
432
votes
13
answers

How to create a yes/no boolean field in SQL server?

sql-server database boolean sqldatatypes tablecolumn
asked 2009-11-22T00:13:02.450
55
votes
16
answers

How to check if String value is Boolean type in Java?

java string boolean
asked 2009-11-19T12:13:28.127
28
votes
6
answers

Where is stdbool.h?

c linux gcc boolean
asked 2009-11-01T10:59:56.370
12
votes
7
answers

Python things which are neither True nor False

python boolean
asked 2009-10-18T12:09:00.253
374
votes
16
answers

How to convert String object to Boolean Object?

java string boolean
asked 2009-10-08T16:00:57.927
12
votes
2
answers

Evaluation of boolean expressions in Python

python object boolean
asked 2009-09-21T01:15:21.953
77
votes
10
answers

Why use !! when converting int to bool?

c++ integer boolean
asked 2009-08-21T06:36:12.007
11
votes
8
answers

Strange C++ boolean casting behaviour (true!=true)

c++ casting boolean unions
asked 2009-08-09T20:06:20.743
22
votes
10
answers

Xml Serialization vs. "True" and "False"

c# xml xml-serialization boolean
asked 2009-07-20T18:47:46.507
31
votes
14
answers

Does "if ([bool] == true)" require one more step than "if ([bool])"?

optimization boolean
asked 2009-07-01T16:20:10.590
25
votes
6
answers

How to best convert VARIANT_BOOL to C++ bool?

c++ windows com interop boolean
asked 2009-05-20T08:07:31.253
67
votes
3
answers

Valid JavaBeans names for boolean getter methods

java boolean naming-conventions javabeans
asked 2009-04-28T18:30:48.393
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