logical-operators
Is the "true" result of >, <, !, &&, || or == defined?
When I for instance write 7>1 in C (say C99 if this is not an always-开发者_开发问答been feature), can I expect the result will be exactly 1 or just some non-zero value?Does this hold for all bool[详细]
2023-04-11 23:33 分类：问答Regex for "AND NOT" operation [duplicate]
This question already has answers here: Regex: match everything but a specific pattern (6 answers) Closed 12 months ago.[详细]
2023-04-07 17:35 分类：问答Precedence of Logical Operators in C [duplicate]
This question already has answers here: Closed 11 years ago. Possible Duplicate: why “++x || ++y && ++z” calculate “++x” firstly ? however,Operator “&[详细]
2023-04-07 00:58 分类：问答Not clear on this jQuery syntax: return !$()
I saw this code and 开发者_如何转开发I\'m not clear what the \'!\' does in this line of jQuery code on the return on the jQuery object:[详细]
2023-04-06 07:58 分类：问答PL/SQL Comparing bit strings, I need an AND operation?
I currently have a script that calculates the tanimoto coefficient o开发者_StackOverflow中文版n the fingerprints of a chemical library. However during testing I found my implementation could not be fe[详细]
2023-04-05 00:18 分类：问答Confused with conditional and logical operators - VB.net
I\'m kind of new to VB.net, and since I just finished a C# course, the lack of parentheses creates a lot of confusion on how to write certain combinations of operators.[详细]
2023-04-04 20:19 分类：问答C pointers and || operators
I\'m just wondering whether this is \"good\" code for a C89 program. obj_ptr = (obj*) (ptr1 || ptr2); Essentially what it does (atleast in GCC on my computer) is set obj_ptr as ptr1 if ptr1 != NULL[详细]
2023-04-04 10:01 分类：问答difference between 'or' logic in c
In linux using gcc when开发者_如何学运维 I write a loop like this while(1 || 0) It enters the loop but when I write the loop like this[详细]
2023-03-27 05:58 分类：问答R gotcha: logical-and operator for combining conditions is & not &&
Why doesn\'t subset() work with a logical and && operator combining two conditions? &g开发者_JAVA百科t; subset(tt, (customer_id==177 && visit_date==\"2010-08-26\"))[详细]
2023-03-25 13:10 分类：问答Logical (AND, OR, XOR) over Long
I am extending a tool in Java 开发者_高级运维that somehow is capable of applying Logical (AND, OR and XOR) over three Long values.[详细]
2023-03-23 12:18 分类：问答
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