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Getting MAC Address
...8927, struct.pack('256s', ifname[:15]))
return ':'.join(['%02x' % ord(char) for char in info[18:24]])
print getHwAddr('eth0')
This is the Python 3 compatible code:
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import fcntl
import socket
import struct
def getHwAddr(ifname):
s = socke...
Regex lookahead for 'not followed by' in grep
... you can use negated character classes [^L], alternation |, and the end of string anchor $.
In your case grep 'Ui\.\([^L]\|$\)' * does the job.
Ui\. matches the string you're interested in
\([^L]\|$\) matches any single character other than L or it matches the end of the line: [^L] or $.
If you...
momentJS date string add 5 days
i have a start date string "20.03.2014" and i want to add 5 days to this with moment.js but i don't get the new date "25.03.2014" in the alert window.
...
How to Use slideDown (or show) function on a table row?
...ed = sR.defaults.slideSpeed;
}
if(typeof arg2 == 'string'){
sR.thisCallArgs.easing = arg2;
}else if(typeof arg2 == 'function'){
sR.thisCallArgs.callback = arg2;
}else if(typeof arg2 == 'undefined') {
sR....
Why was the switch statement designed to need a break?
...her languages supported more sophisticated cases (ranges, multiple values, strings...) at the cost, perhaps, of efficiency.
– PhiLho
Oct 31 '08 at 6:29
...
LISTAGG in Oracle to return distinct values
...:I tried the code- and got the error message as below ORA-01489: result of string concatenation is too long 01489. 00000 - "result of string concatenation is too long" *Cause: String concatenation result is more than the maximum size.
– Priyanth
Jul 17 '12 ...
html select option separator
...And if you want to be really fancy, use the horizontal unicode box drawing character.
(BEST OPTION!)
<select>
<option>First</option>
<option disabled>──────────</option>
<option>Second</option>
<option>Third...
Differences between lodash and underscore [closed]
...to provide more consistent cross-environment iteration support for arrays, strings, objects, and arguments objects1. It has since become a superset of Underscore, providing more consistent API behavior, more features (like AMD support, deep clone, and deep merge), more thorough documentation and uni...
Convert string[] to int[] in one line of code using LINQ
I have an array of integers in string form:
6 Answers
6
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C# Double - ToString() formatting with two decimal places but no rounding
How do I format a Double to a String in C# so as to have only two decimal places?
15 Answers
...