Top "Bitwise-operators" questions

Remove a Paint Flag in Android

My code looks like this: TextView task_text = (TextView) view.findViewById(R.id.task_text); task_text.setPaintFlags( task_text.…

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Ampersand (&) operator in a SQL Server WHERE Clause

Sorry for the very basic question. What does the & operator do in this SQL WHERE (sc.Attributes & 1) = 0 sc …

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Performance wise, how fast are Bitwise Operators vs. Normal Modulus?

Does using bitwise operations in normal flow or conditional statements like for, if, and so on increase overall performance and …

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Can you control what a bitwise right shift will fill in C?

As far as I know when you use a left shift bitwise operator in C it's guaranteed that the vacant …

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Bitwise Multiply and Add in Java

I have the methods that do both the multiplication and addition, but I'm just not able to get my head …

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Mask and extract bits in C

I've been looking at posts about mask but still can't get my head around how to extract certain bits from …

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Is there a difference between using a logical operator or a bitwise operator in an if block in Java?

The contents of both of the following if blocks should be executed: if( booleanFunction() || otherBooleanFunction() ) {...} if( booleanFunction() | otherBooleanFunction() ) {...} So what's …

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Java: right shift on negative number

I am very confused on right shift operation on negative number, here is the code. int n = -15; System.out.…

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XOR from only OR and AND

How do you do the XOR bitwise operation if you only have available the AND and the OR operations?

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use of the bitwise operators to pack multiple values in one int

Low level bit manipulation has never been my strong point. I will appreciate some help in understanding the following use …

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