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How can I get the MAC and the IP address of a connected client in PHP?
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Server IP
You can get the server IP address from $_SERVER['SERVER_ADDR'].
Server MAC address
For the MAC address, you could parse the output of netstat -ie in Linux, or ipconfig /all in Windows.
Client IP address
You can get the client IP from $_SERVER['REMOTE_ADDR']
C...
How can I access “static” class variables within class methods in Python?
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Why not just Foo.bar, instead of self.__class__.bar?
– mk12
Sep 13 '09 at 20:59
15
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/usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.15' not found
How can I get GLIBCXX_3.4.15 in Ubuntu? I can't run some programs that I'm compiling.
19 Answers
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How do I automatically scroll to the bottom of a multiline text box?
...t property. Though that might depend on how often you're calling it; I was testing with a tight loop.
This will not scroll if it is called before the textbox is shown, or if the textbox is otherwise not visible (e.g. in a different tab of a TabPanel). See TextBox.AppendText() not autoscrolling. T...
How can I check file size in Python?
...D)
size = f.tell()
It works for real files and StringIO's, in my limited testing. (Python 2.7.3.) The "file-like object" API isn't really a rigorous interface, of course, but the API documentation suggests that file-like objects should support seek() and tell().
Edit
Another difference between t...
How do I parallelize a simple Python loop?
...tead:
pool = multiprocessing.Pool(4)
out1, out2, out3 = zip(*pool.map(calc_stuff, range(0, 10 * offset, offset)))
Note that this won't work in the interactive interpreter.
To avoid the usual FUD around the GIL: There wouldn't be any advantage to using threads for this example anyway. You want t...
How to make URL/Phone-clickable UILabel?
...erride var attributedText: NSAttributedString?{
didSet{
if let _attributedText = attributedText{
self.textStorage = NSTextStorage(attributedString: _attributedText)
self.layoutManager.addTextContainer(self.textContainer)
self.textStorage?.addLayoutMan...
find: missing argument to -exec
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To test such things just add an echo before the commands and see what it does.
– Marian
Jun 2 '10 at 22:22
2...
Getting a slice of keys from a map
...ly won't make much of a difference, but it's not much more work, and in my tests (using a map with 1,000,000 random int64 keys and then generating the array of keys ten times with each method), it was about 20% faster to assign members of the array directly than to use append.
Although setting the ...
Remove duplicates from an array of objects in JavaScript
...e:
const uniqueArray = things.thing.filter((thing, index) => {
const _thing = JSON.stringify(thing);
return index === things.thing.findIndex(obj => {
return JSON.stringify(obj) === _thing;
});
});
Stackblitz Example
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