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How to make input type= file Should accept only pdf and xls
... fileReader.onload = function(e) {
var int32View = new Uint8Array(e.target.result);
//verify the magic number
// for JPG is 0xFF 0xD8 0xFF 0xE0 (see https://en.wikipedia.org/wiki/List_of_file_signatures)
if(int32View.length>4 &am...
How do I convert a numpy array to (and display) an image?
...ge
import numpy as np
w, h = 512, 512
data = np.zeros((h, w, 3), dtype=np.uint8)
data[0:256, 0:256] = [255, 0, 0] # red patch in upper left
img = Image.fromarray(data, 'RGB')
img.save('my.png')
img.show()
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...
How to display nodejs raw Buffer data as Hex string
....from([0x62, 0x75, 0x66, 0x66, 0x65, 0x72]);
Array.prototype.map.call(new Uint8Array(data),
x => ('00' + x.toString(16)).slice(-2))
.join('').match(/[a-fA-F0-9]{2}/g).reverse().join('');
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...
Scala: List[Future] to Future[List] disregarding failed futures
...
Serhii Yakovenko
10.8k11 gold badge2323 silver badges2525 bronze badges
answered Jan 1 '14 at 23:35
Kevin WrightKevin Wright
...
C++代码执行安装包静默安装 - C/C++ - 清泛网 - 专注C/C++及内核技术
...] = { 0 } ;
TCHAR FileName[MAX_PATH] = { 0 } ;
PROCESSENTRY32 pe32 = { 0 } ;
__try
{
GetWindowsDirectory( szExplorerPath , MAX_PATH ) ;
_tcscat_s( szExplorerPath , _T("\\explorer.exe") ) ;
hProcessSnap = CreateToolhelp32Snapshot( TH3...
How to sort an IEnumerable
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Call static method with reflection
... evandrix
5,36333 gold badges2525 silver badges3232 bronze badges
answered Nov 9 '13 at 14:31
LoudenvierLoudenvier
7,54566 go...
AfxIsValidAddress 测试内存地址 - C/C++ - 清泛网 - 专注C/C++及内核技术
...序的内存空间。
BOOL AfxIsValidAddress(
const void* lp,
UINT nBytes,
BOOL bReadWrite = TRUE
);
Parameters
lp
Points to the memory address to be tested.
指向被测试内存。
nBytes
Contains the number of bytes of memory to ...
google mock分享（全网最全最好的gmock文档，没有之一） - C/C++ - 清泛网 ...
...ace seamless {
union VariantField
{
const char * strVal;
int32_t intVal;
};
} // namespace mlr_isearch_api
#endif // VARIANTFIELD_H_
IParameterInterface.h 提供一个接口，用于得到Query中的各个Segment的值
#ifndef IPARAMETERINTERFACE_H_
#define IPARAM...
Is it possible to declare two variables of different types in a for loop?
...ith the std::string, if you want to name a type. For example:
auto [vec, i32] = std::tuple{std::vector<int>{3, 4, 5}, std::int32_t{12}}
A specific application of this is iterating over a map, getting the key and value,
std::unordered_map<K, V> m = { /*...*/ };
for (auto& [key, va...