bit-manipulation

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Mysql Bitwise operations and filter

I try to implement a bitwise filter using MYSQL (with udf if needed) The filter is something like a AND but I want to use the mask to build a new bit string...[详细]

2023-04-10 14:32 分类：问答
Given IEEE binary representation of a real how to get its true binary representation in Java?

I am just wonder how to use bit operations to achieve the goal: given an IEEE binary representation of 开发者_JAVA百科a real, for example, 40AC0000 (5.375 in decimal), how to get its true binary repre[详细]

2023-04-10 11:08 分类：问答
Is there a more elegant way of doing these bitwise operations?

I built this program that does some bitwise operations on three numbers: 2, 4 and 20: public st开发者_Go百科atic void main(String[] args) {[详细]

2023-04-10 00:59 分类：问答
shift bits from a byte into an (array)

I solved the problem but dont know how to post it in a good manner, so I edit this post and put the solution in the end of it.[详细]

2023-04-10 00:42 分类：问答
Why does (1 >> 0x80000000) == 1?

The number 1, right shifted by anything greater than 0, should be 0, correct?Yet I can type in this very simple program which prints 1.[详细]

2023-04-09 17:12 分类：问答
How to add and subtract 16 bit floating point half precision numbers?

How do I add and sub开发者_如何学Pythontract 16 bit floating point half precision numbers? Say I need to add or subtract:[详细]

2023-04-09 17:01 分类：问答
Technical term for bit packing

By bit packing I mean since int is of 4 bytes, and if we store 1 inside the int, remaining bits will be wasted.[详细]

2023-04-09 10:48 分类：问答
How to find most significant bit (MSB)

I want to know which value the first bit of a byte has. For example: I have byte m = (byte) 0x8C; How could I know if the first bit is an 1 or a 0 ?[详细]

2023-04-09 06:37 分类：问答
Getting MSB of a 32bit integer in MIPS, and merging it into the LSB of another value

Is there an开发者_运维知识库y way to find the MSB of a 32bit integer in MIPS and then replace that to the LSB of another integer?[详细]

2023-04-08 03:57 分类：问答
How to Curve a bitmap in android

I am developing a game and I want to give a smoke effect at the tail of the objects moving freely开发者_运维百科 on the screen. I just created a bitmap and attached it at the end of object but the pro[详细]

2023-04-07 23:33 分类：问答