大约有 5,215 项符合查询结果（耗时：0.0151秒） [XML]
Compiling with cython and mingw produces gcc: error: unrecognized command line option '-mno-cygwin'
I'm trying to compile a python extension with cython in win 7 64-bit using mingw (64-bit).
I'm working with Python 2.6 (Active Python 2.6.6) and with the adequate distutils.cfg file (setting mingw as the compiler)
...
How to measure time in milliseconds using ANSI C?
...lude <stdio.h>
#include <stdint.h>
#include <time.h>
int64_t timespecDiff(struct timespec *timeA_p, struct timespec *timeB_p)
{
return ((timeA_p->tv_sec * 1000000000) + timeA_p->tv_nsec) -
((timeB_p->tv_sec * 1000000000) + timeB_p->tv_nsec);
}
int main(in...
How to check if running in Cygwin, Mac or Linux?
...
If I run a script under cygwin by executing "\cygwin64\bin\bash -c scriptname", this doesn't necessarily work. In this situation, the cygwin path doesn't get set up and uname -s ends up calling whatever uname is first in your current path, which on my system turns out to be t...
Unable to load DLL 'SQLite.Interop.dll'
...copies all the Sqlite dll-s except the 'SQLite.Interop.dll' (both x86 and x64 folder).
The solution was very simple: just add the Sqlite.Core package as a dependency (with NuGet) to the project you are building/running and the dll-s will be copied.
...
How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? [duplicate]
..._WIN32__) || defined(__NT__)
//define something for Windows (32-bit and 64-bit, this part is common)
#ifdef _WIN64
//define something for Windows (64-bit only)
#else
//define something for Windows (32-bit only)
#endif
#elif __APPLE__
#include <TargetConditionals.h>
...
How does this print “hello world”?
...
The number 4946144450195624 fits 64 bits, its binary representation is:
10001100100100111110111111110111101100011000010101000
The program decodes a character for every 5-bits group, from right to left
00100|01100|10010|01111|10111|11111|01111|01100|011...
Unexpected results when working with very big integers on interpreted languages
... supports arbitrary precision. It will produce the correct answer on 32 or 64 bit platforms.
This can be seen by raising 2 to a power far greater than the bit width of the platform:
>>> 2**99
633825300114114700748351602688L
You can demonstrate (with Python) that the erroneous values yo...
Adding header for HttpURLConnection
...ntials = "username:password";
String basicAuth = "Basic " + new String(Base64.getEncoder().encode(userCredentials.getBytes()));
myURLConnection.setRequestProperty ("Authorization", basicAuth);
myURLConnection.setRequestMethod("POST");
myURLConnection.setRequestProperty("Content-Type", "application/...
Encrypt & Decrypt using PyCrypto AES 256
...of the key and secret phrase with 32 bytes and iv to 16 bytes:
import base64
import hashlib
from Crypto import Random
from Crypto.Cipher import AES
class AESCipher(object):
def __init__(self, key):
self.bs = AES.block_size
self.key = hashlib.sha256(key.encode()).digest()
...
Hiding a password in a python script (insecure obfuscation only)
...
Base64 encoding is in the standard library and will do to stop shoulder surfers:
>>> import base64
>>> print(base64.b64encode("password".encode("utf-8")))
cGFzc3dvcmQ=
>>> print(base64.b64decode("cGFz...