bit-shift

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Java get first and last 2 byte from int var

I want convert an int into 2 bytes representing that int. Probably must use bitwise and bit shifting, but I dont know what to do.[详细]

2023-03-28 00:36 分类：问答
C - Need to shift an unsigned int right one place at a time.

I need to shift an unsigned int to the right more than 32 times and still get a proper answer of zero instead of the random or original number. E.g 8 >> 40 should = 0 but it returns a random number.[详细]

2023-03-27 18:54 分类：问答
.Net GetHashcode Bit Shifting Operation

I was looking through some of the .net source yesterday and saw several implementations of GetHashcode with something along the lines of this:[详细]

2023-03-27 06:52 分类：问答
Bit Shifting with a Count greater than 30

I am confused on the Bit Shift Operator开发者_运维知识库s (in c#). Can you shed light on why the value of \"a\" below returns \"1\" instead of \"4294967296\":[详细]

2023-03-26 20:07 分类：问答
Java how do you deobfuscatate shift and & values?

Lets say I got this for example (from java obfuscation) with a highly overflowed shift value x = buffer[count + -3] << 0x8f553768 & 0xff00[详细]

2023-03-22 07:14 分类：问答
Javascript bit shift- number wraps?

I am converting some Java code to Javascript to run on node.js, and I ran into something peculiar with bit shifting.[详细]

2023-03-20 19:22 分类：问答
Division using right shift for divider which not power of 2

I would like to perform the division of num by 60 which is not power of two using right shift operation. How do I do this?[详细]

2023-03-16 04:47 分类：问答
Applying bitwise shift operators to signed types: UB and Impl. defined

C++03 standard tells us that the result of applying the bitwise shift operators to signed types can be UB and Impl. defined for ne开发者_JAVA技巧gative values. My question is following: why for operat[详细]

2023-03-15 15:14 分类：问答
bit shift different result in similar programs

Here is one program #include<stdio.h> #include<stdlib.h> int main() { un开发者_运维问答signed char a=0x80;[详细]

2023-03-15 04:17 分类：问答
Turning bits into values

How does a computer know that (int x, y) x << y means shift over y bits? I don\'t mean the shift part. I mean the y part. Does the computer shift x by one and subtract one from y until y == 0? I[详细]

2023-03-13 18:49 分类：问答