uint64 Questions
8
Solved
I am trying to convert from a string to a uint64_t integer. stoi returns a 32 bit integer, so it won't work in my case. Are there other solutions?
2
Solved
I'm seeking for a macro representing the maximum value of uint64_t as UINT_MAX is for unsigned int.
i.e. I need this value to guaranteed to be (1<<64)-1.
I tried to use UINT64_MAX, but compi...
5
Solved
Consider the following brief numpy session showcasing uint64 data type
import numpy as np
a = np.zeros(1,np.uint64)
a
# array([0], dtype=uint64)
a[0] -= 1
a
# array([18446744073709551615], dt...
3
Solved
I'm looking at the numeric types in Go. I want to use uint64 literals. Is this possible in Go?
Here's an example of how I'd like to use uint64 literals:
for i := 2; i <= k; i += 1 { // I want ...
Oubre asked 19/12, 2015 at 22:41
4
Solved
I am having following code. output of second %d in sprintf is always shown as zero. I think i am specifying wrong specifiers. Can any one help me in getting write string with right values. And this...
Lodovico asked 28/2, 2011 at 10:37
3
Solved
I have made the following code as an example.
#include <iostream>
struct class1
{
uint8_t a;
uint8_t b;
uint16_t c;
uint32_t d;
uint32_t e;
uint32_t f;
uint32_t g;
};
struct class...
5
Solved
I am using MPIR 2.4.0 on Windows (MSVC 2010) and I was trying to add an unsigned 64bit integer to a mpz_t number. However it seems that MPIR/GMP does not support direct conversion between 64bit Int...
3
Assume there is a string holding the address of an uint64 type variable, can we parse this address back to an *uint64?
For example:
i := uint64(23473824)
ip := &i
str := fmt.Sprintf("%v", ip...
8
Solved
In C#, how can one store and calculate with numbers that significantly exceed UInt64's max value (18,446,744,073,709,551,615)?
Fcc asked 19/8, 2009 at 9:35
3
Solved
The problem with the following code:
var x uint64 = 18446744073709551615
var y int64 = int64(x)
is that y is -1. Without loss of information, is the only way to convert between these two number ...
1
In the following code:
#include <iostream>
...
uint64_t t1 = 1510763846;
uint64_t t2 = 1510763847;
double d1 = (double)t1;
double d2 = (double)t2;
// d1 == t2 => evaluates to true someh...
7
Solved
What's the easiest way to convert an uint64 value into a standart C++ string? I checked out the assign methods from the string and could find no one that accepts an uint64 (8 bytes) as argument.
H...
4
Solved
Let's think about the following situation.
The Go routine creates a byte array where packs a Uint64 number 5577006791947779410 in 8 bytes Big Endian [77, 101, 130, 33, 7, 252, 253, 82].
In JavaSc...
Disembarrass asked 2/8, 2017 at 8:51
2
Solved
This is my code:
package main
import (
"strconv"
"fmt"
)
func main() {
t := strconv.Itoa64(1234)
fmt.Println(t)
}
Problem:
Why does it cause the following error message?
command-line-arg...
4
Solved
How do you convert from NSString to UInt64?
For example, something like this if a UInt64Value helper method existed:
NSString *value = @"1234567";
UInt64 convertedValue = [value UInt64Value];
I...
Goldoni asked 24/3, 2016 at 17:8
4
Solved
How can I transfer uint64_t value to std::string?
I need to construct the std::string containing this value
For example something like this:
void genString(uint64_t val)
{
std::string str;
//......
5
Solved
I have been using std::atoll from cstdlib to convert a string to an int64_t with gcc. That function does not seem to be available on the Windows toolchain (using Visual Studio Express 2010). What i...
2
I realize this question could be processor dependent, but hopefully someone can point me in the right direction. For the life of me, I cannot figure out how to convert an unsigned long long int rep...
Chiles asked 23/5, 2013 at 14:42
1
Solved
I am trying to create a universal hashing alogrithim that hashes a string as a 64 bit int.
I am able to hash the strings correctly:
sql:
select
convert
(
varchar(64),
HASHBYTES
(
'SH...
Minnesota asked 22/3, 2013 at 21:14
5
Solved
I encountered a strange thing when I was programming under c++. It's about a simple multiplication.
Code:
unsigned __int64 a1 = 255*256*256*256;
unsigned __int64 a2= 255 << 24; // same as t...
Verticillate asked 20/9, 2012 at 13:46
5
Solved
Learning the hard way, I tried to left shift a long long and uint64_t to more than 32 bits on an x86 machine resulted 0. I vaguely remember to have read somewhere than on a 32 bit machine shift ope...
3
Solved
This feels like a stupid question, but I can't seem to see the answer. I have an UInt64, which is supposed to have a max value of
UInt64.MaxValue 18446744073709551615
However, when I try to ass...
2
Solved
What is the difference between stdint.h and inttypes.h?
If none of them is used, uint64_t is not recognized but with either of them it is a defined type.
3
In Delphi 7, int64s are signed, if I try to declare a hex constant larger than $8000000000000000 (eg, what is really an uint64) I get an error. Can you advise some workarounds, please?
3
Solved
I tried
sscanf(str, "%016llX", &int64 );
but seems not safe. Is there a fast and safe way to do the type casting?
Thanks~
Unshod asked 9/11, 2010 at 9:49
1 Next >
© 2022 - 2024 — McMap. All rights reserved.