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Use numpy array in shared memory for multiprocessing
...ypes
import logging
import multiprocessing as mp
from contextlib import closing
import numpy as np
info = mp.get_logger().info
def main():
logger = mp.log_to_stderr()
logger.setLevel(logging.INFO)
# create shared array
N, M = 100, 11
shared_arr = mp.Array(ctypes.c_double, N)...
Enable access control on simple HTTP server
...ers it sends. You can however create a simple HTTP server yourself, using most of SimpleHTTPRequestHandler, and just add that desired header.
For that, simply create a file simple-cors-http-server.py (or whatever) and, depending on the Python version you are using, put one of the following codes in...
What is the significance of 1/1/1753 in SQL Server?
...de from the Julian calendar. September 3, 1752 to September 13, 1752 were lost.
Kalen Delaney explained the choice this way
So, with 12 days lost, how can you
compute dates? For example, how can
you compute the number of days between
October 12, 1492, and July 4, 1776? Do
you include th...
Heroku 'Permission denied (publickey) fatal: Could not read from remote repository' woes
... the key and just needed to add the key to heroku
– joseramonc
Dec 3 '14 at 16:19
4
The first one...
How to disable copy/paste from/to EditText
...h means that this solution is not complete. Keep this in mind for your purposes.
– Kevin Grant
Apr 22 '14 at 19:09
...
Node.js and CPU intensive requests
...
@pacerier, why you say that? What do you propose?
– luis.espinal
Jun 21 '17 at 9:59
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Should I compile with /MD or /MT?
In Visual Studio, there's the compile flags /MD and /MT which let you choose which kind of C runtime library you want.
7 An...
How can I programmatically get the MAC address of an iphone
...
NOTE As of iOS7, you can no longer retrieve device MAC addresses. A fixed value will be returned rather than the actual MAC
Somthing I stumbled across a while ago. Originally from here I modified it a bit and cleaned things up.
IPA...
How do you get the list of targets in a makefile?
...t command to extract the target names, which hopefully prevents any false positives (and also does away with the unnecessary sh -c)
does not invariably target the makefile in the current directory; respects makefiles explicitly specified with -f <file>
excludes hidden targets - by convention, ...
When should we use mutex and when should we use semaphore
...ut your thread is not allowed to sleep.
e.g.: An interrupt handler within OS kernel must never sleep. If it does the system will freeze / crash. If you need to insert a node to globally shared linked list from the interrupt handler, acquire a spinlock - insert node - release spinlock.
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