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How can I get the MAC and the IP address of a connected client in PHP?
...ethernet segment as the server.
So, if you are building some kind of LAN based system and your clients are on the same ethernet segment, then you could get the MAC address by parsing the output of arp -n (linux) or arp -a (windows).
Edit: you ask in comments how to get the output of an external ...
Catch an exception thrown by an async void method
...rchRob Church
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wget/curl large file from google drive
...ary. Choose the one that fits your architecture, for example gdrive-linux-x64.
Copy it to your path.
sudo cp gdrive-linux-x64 /usr/local/bin/gdrive;
sudo chmod a+x /usr/local/bin/gdrive;
To use it:
Determine the Google Drive file ID. For that, right-click the desired file in the Google Drive w...
How do I create an HTML table with a fixed/frozen left column and a scrollable body?
...reates fixed headers and/or columns.
Toggle fixed column to be true on the demo page to see it in action.
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Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps?
I'd like to have iOS to open URLs from my domain (e.g. http://martijnthe.nl ) with my app whenever the app is installed on the phone, and with Mobile Safari in case it is not.
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Shell script to send email [duplicate]
...JECT} | file -bi - | cut -d"=" -f2)
SUB_B64=$(echo ${SUBJECT} | uuencode --base64 - | tail -n+2 | head -n+1)
NB_FILES=$(echo ${FILES} | wc -w)
NB=0
cat <<EOF | /usr/sbin/sendmail -t
From: ${FROM}
To: ${TO}
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary=frontier
Subject: =?${SUB_CHA...
Where does PostgreSQL store the database?
Where are the files for a PostgreSQL database stored?
13 Answers
13
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Fast way of counting non-zero bits in positive integer
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I tried adapting Óscar's and Adam's solutions to process the integer in 64-bit and 32-bit chunks, respectively. Both were at least ten times slower than bin(n).count("1") (the 32-bit version took about half again as much time).
On the other hand, gmpy popcount() took about 1/20th of the time of ...
How to list variables declared in script in bash?
...ter
rm /tmp/variables.before /tmp/variables.after
(Or at least something based on that :-) )
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Share Large, Read-Only Numpy Array Between Multiprocessing Processes
...variable.
From the discussion page you linked, it appears that support for 64-bit Linux was added to sharedmem a while back, so it could be a non-issue.
I don't know about this one.
No. Refer to example below.
Example
#!/usr/bin/env python
from multiprocessing import Process
import sharedmem
impo...