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How does Python manage int and long?
...183460469231731687303715884105728,170141183460469231731687303715884105727]
UInt8: [0,255]
UInt16: [0,65535]
UInt32: [0,4294967295]
UInt64: [0,18446744073709551615]
UInt128: [0,340282366920938463463374607431768211455]
If the size of your Int exceeds the limits mentioned above, python will automatic...
What is an idiomatic way of representing enums in Go?
... name() string
ordinal() int
values() *[]string
}
type GenderType uint
const (
MALE = iota
FEMALE
)
var genderTypeStrings = []string{
"MALE",
"FEMALE",
}
func (gt GenderType) name() string {
return genderTypeStrings[gt]
}
func (gt GenderType) ordinal() int {
retu...
How to convert a NumPy array to PIL image applying matplotlib colormap
...ctly to myarray.
Rescale to the 0-255 range.
Convert to integers, using np.uint8().
Use Image.fromarray().
And you're done:
from PIL import Image
from matplotlib import cm
im = Image.fromarray(np.uint8(cm.gist_earth(myarray)*255))
with plt.savefig():
with im.save():
...
How to index characters in a Golang string?
... for Unicode characters, but they are both just aliases for integer types (uint8 and int32). So if you want to force them to be printed as characters instead of numbers, you need to use Printf("%c", x). The %c format specification works for any integer type.
...
In-Place Radix Sort
...e.
So for sequences of length 3, one could create 64 buckets, maybe sized uint32, or uint64.
Initialize them to zero.
Iterate through your very very large list of 3 char sequences, and encode them as above.
Use this as a subscript, and increment that bucket.
Repeat this until all of your sequences ...
Single quotes vs. double quotes in C or C++
...implementation-defined."
This could look like this, for instance:
const uint32_t png_ihdr = 'IHDR';
The resulting constant (in GCC, which implements this) has the value you get by taking each character and shifting it up, so that 'I' ends up in the most significant bits of the 32-bit value. Obv...
CGRidCtrl控件 学习心得 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
函数申明：BOOL CGridCtrl::Create(const RECT& rect, CWnd* pParentWnd, UINT nID, DWORD dwStyle)
函数作用：创建控件
参数说明：
rect:控件位置信息
pParetWnd:父窗口指针
nID:为控件指定的ID,作为本次创建的控件对象的标识
dwSt...
Is 1.0 a valid output from std::generate_canonical?
...
The problem is in mapping from the codomain of std::mt19937 (std::uint_fast32_t) to float; the algorithm described by the standard gives incorrect results (inconsistent with its description of the output of the algorithm) when loss of precision occurs if the current IEEE754 rounding mode is...
MFC SetCursor设置手型鼠标光标 - C/C++ - 清泛网 - 专注C/C++及内核技术
...设置手型鼠标光标，部分代码如下：void CxxxDlg::OnMouseMove(UINT nFlags, CPoint point){__super::OnMouseMove(nFlags, point);int...设置手型鼠标光标，部分代码如下：
void CxxxDlg::OnMouseMove(UINT nFlags, CPoint point)
{
__super::OnMouseMove(nFlags, point);
int nI...
Parsing JSON using Json.net
... // parse the 32 bit hex into an integer codepoint
uint codePoint;
if (!(success = UInt32.TryParse(new string(json, index, 4), NumberStyles.HexNumber, CultureInfo.InvariantCulture, out codePoint))) {
return "";
...