Top "Bit-shift" questions

What are the exact semantics of Rust's shift operators?

I tried to find exact information about how the << and >> operators work on integers, but I …

rust bit-shift

How are shifts implemented on the hardware level?

How are bit shifts implemented at the hardware level when the number to shift by is unknown? I can't imagine …

cpu processor bit-shift circuit alu

Shifting the sign bit in .NET

I'm reading bits from a monochrome bitmap. I'm storing every 16 bits in a short in the reverse order. If the …

c# .net bit-shift

what is difference between (**) and (<<) in python?

a = 100000000 c = (2**(a-1))-1 b = (2<<(a-1))-1 m = 1000000007 print b%m print c%m Output : 494499947 247249973 I am using ** …

python bit-shift exponent

Bit-shifting with Int64

An Int64 variable needs to be shifted. I am parsing pseudo mathematical functions from a database file. The Variables are …

c# .net bit-shift int64

Google Protocol Buffers: ZigZag Encoding

From "Signed Types" on Encoding - Protocol Buffers - Google Code: ZigZag encoding maps signed integers to unsigned integers so …

protocol-buffers bit-shift zigzag-encoding

How does this print "hello world"?

I discovered this oddity: for (long l = 4946144450195624l; l > 0; l >>= 5) System.out.print((char) (((l & 31 | 64) % 95) + 32)); Output: …

java string bit-shift

What does a >> mean in Go language?

I’m looking for information on Google’s Go language. In “A Tour of Go” they have this code: const ( …

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