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What is the difference between sigaction and signal?
... signal() . To follow convention I should use sigaction() but if I was writing from scratch, which should I choose?
9 Ans...
Use cases for the 'setdefault' dict method
The addition of collections.defaultdict in Python 2.5 greatly reduced the need for dict 's setdefault method. This question is for our collective education:
...
static constructors in C++? I need to initialize private static objects
I want to have a class with a private static data member (a vector that contains all the characters a-z). In java or C#, I can just make a "static constructor" that will run before I make any instances of the class, and sets up the static data members of the class. It only gets run once (as the vari...
How do I analyze a program's core dump file with GDB when it has command-line parameters?
...
You can use the core with GDB in many ways, but passing parameters which is to be passed to the executable to GDB is not the way to use the core file. This could also be the reason you got that error. You can use the core file in the following way...
How to efficiently compare two unordered lists (not sets) in Python?
...(s, t):
return sorted(s) == sorted(t)
O(n * n): If the objects are neither hashable, nor orderable, you can use equality:
def compare(s, t):
t = list(t) # make a mutable copy
try:
for elem in s:
t.remove(elem)
except ValueError:
return False
retur...
How to calculate the difference between two dates using PHP?
...unix time and then calculate the number of seconds between them. From this it's rather easy to calculate different time periods.
$date1 = "2007-03-24";
$date2 = "2009-06-26";
$diff = abs(strtotime($date2) - strtotime($date1));
$years = floor($diff / (365*60*60*24));
$months = floor(($diff - $year...
Is it true that one should not use NSLog() on production code?
I was told this a few times in this very site, but I wanted to make sure this is really the case.
12 Answers
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Use of *args and **kwargs [duplicate]
So I have difficulty with the concept of *args and **kwargs .
11 Answers
11
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Where are $_SESSION variables stored?
...tion to view your particular settings if not 100% sure by creating a file with this content in the DocumentRoot of your domain:
<?php
phpinfo();
?>
Here is the link to the PHP documentation on this configuration setting:
http://php.net/manual/en/session.configuration.php#ini.session.sa...
javascript: Clear all timeouts?
...le (id--) {
window.clearTimeout(id); // will do nothing if no timeout with id is present
}
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