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How can I get the MAC and the IP address of a connected client in PHP?
I need to know the MAC and the IP address of the connect clients, how can I do this in PHP?
16 Answers
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How to output only captured groups with sed?
...as well as specifying what you do want.
string='This is a sample 123 text and some 987 numbers'
echo "$string" | sed -rn 's/[^[:digit:]]*([[:digit:]]+)[^[:digit:]]+([[:digit:]]+)[^[:digit:]]*/\1 \2/p'
This says:
don't default to printing each line (-n)
exclude zero or more non-digits
include on...
Difference Between Schema / Database in MySQL
Is there a difference between a schema and a database in MySQL? In SQL Server, a database is a higher level container in relation to a schema.
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How to programmatically send SMS on the iPhone?
Does anybody know if it's possible, and how, to programmatically send a SMS from the iPhone , with the official SDK / Cocoa Touch?
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Android ViewPager - Show preview of page on left and right
I'm using Android's ViewPager . What I want to do is to show a preview of the page on both the left and the right. I've seen where I can use a negative pageMargin to show a preview of the right side.
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What are the lesser known but useful data structures?
...nown. A very cool use of tries is described in "TRASH - A dynamic LC-trie and hash data structure", which combines a trie with a hash function.
share
edited Oct 5 '10 at 15:3...
Conditional Variable vs Semaphore
When should one use a semaphore and when should one use a conditional variable (CondVar) ?
6 Answers
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Is there a difference between foreach and map?
...n a particular language, but is there a difference between a map operation and a foreach operation? Or are they simply different names for the same thing?
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How do I remove a submodule?
...le (no trailing slash)
# or, if you want to leave it in your working tree and have done step 0
3. git rm --cached a/submodule
3bis mv a/submodule_tmp a/submodule
Explanation
rm -rf: This is mentioned in Daniel Schroeder's answer, and summarized by Eonil in the comments:
This leaves .git/mo...
Git mergetool with Meld on Windows
In Linux, my favorite merge tool is Meld, and I've had no problems using or configuring it to work with Git. However, in Windows it has been a different story.
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