boolean-logic

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Mixing addition and subtraction with logical NOT

I found some exercises where you combine n-bit 2\'s complement values in different ways and simplify the output where possible. (Their practice exercises use 16-bit, but that\'s irrelevant).[详细]

2023-01-15 11:02 分类：问答
Avoiding the coding trap of using || to check for different conditions [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form. For help clari[详细]

2023-01-14 18:08 分类：问答
Check whether a String is not Null and not Empty

How can I check whether a string is not null and not empty? public void doStuff(String str) { if (str != null && str != "**here I want to check the \'str\' is empty or not**")[详细]

2023-01-14 04:11 分类：问答
Why are JavaScript negative numbers not always true or false?

-1 == true;// false -1 == false// false -1 ? true : false; // true Can anyone explain the above output? I know I could work round this by comparing to 0 but I\'m interested. I\'d expect at least one[详细]

2023-01-13 20:37 分类：问答
xor n sets of variables for use in SAT transformation

I am doing a transformation from a customoized set cover problem to a sat, so I can perhaps use a sat solver for my problem.[详细]

2023-01-12 19:52 分类：问答
C# How do I check if one of two values is TRUE?

Should be a simple question for the C# experts here. I basically want to check if one value or another is TRUE, a wild stab at the code is below:[详细]

2023-01-12 08:47 分类：问答
Check if element exists causing script error in browser

I\'m trying to attach the Qtip plugin to elements only if the elements containing certain text exists on the page. For some reason I keep getting a script error saying \"AddTooltips() is not a functio[详细]

2023-01-09 12:06 分类：问答
How to work with this turing machine?

This is a screenshot of the applet LogiCell 1.0, link to which I found here. As the bottom left corner shows, this is doing sum 0+1 an开发者_如何学运维d the result is 01b (bottom right hand side).[详细]

2023-01-01 12:06 分类：问答
Regarding Boolean logic in Solr

I have a Solr index with a year field, I can query all results within a range of y开发者_如何学Goears using the following query which works fine[详细]

2023-01-01 09:43 分类：问答
In-memory data structure that supports boolean querying

I need to store data in memory where I map one or more key strings to an object, as follows: \"green\", \"blue\" -> object1[详细]

2022-12-31 23:14 分类：问答