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Why do we use volatile keyword? [duplicate]
I have never used it but I wonder why people use it? What does it exactly do? I searched the forum, I found it only C# or Java topics.
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Adding div element to body or document in JavaScript
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Try this out:-
http://jsfiddle.net/adiioo7/vmfbA/
Use
document.body.innerHTML += '<div style="position:absolute;width:100%;height:100%;opacity:0.3;z-index:100;background:#000;"></div>';
instead of
document.body.innerHTML = '<div style="position:absolute;width:...
multiprocessing: How do I share a dict among multiple processes?
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A general answer involves using a Manager object. Adapted from the docs:
from multiprocessing import Process, Manager
def f(d):
d[1] += '1'
d['2'] += 2
if __name__ == '__main__':
manager = Manager()
d = manager.dict()
d[1] = '1'
d['2'] = 2
p1 = Process(target...
How do I download a file over HTTP using Python?
I have a small utility that I use to download an MP3 file from a website on a schedule and then builds/updates a podcast XML file which I've added to iTunes.
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How do you redirect to a page using the POST verb?
...n within a controller, it automatically redirects using an HTTP GET. How do I explicitly tell it to use an HTTP POST?
5 A...
How do I make the return type of a method generic?
... a way to make this method generic so I can return a string, bool, int, or double? Right now, it's returning a string, but if it's able find "true" or "false" as the configuration value, I'd like to return a bool for example.
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Is there a better way to do optional function parameters in JavaScript? [duplicate]
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It's probably best to make using === a habit so you don't have to remember under which circumstances it's 'safe'.
– jinglesthula
Oct 31 '12 at 20:38
45
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How to revert multiple git commits?
...e a new commit which reverts changes that you want to get rid of. You can do this using git revert command.
You have the following situation:
A <-- B <-- C <-- D <-- master <-- HEAD
(arrows here refers to the direction of the pointe...
How to call a Parent Class's method from Child Class in Python?
...In Perl and Java, there is a keyword for this ( super ). In Perl, I might do this:
15 Answers
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How does functools partial do what it does?
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Roughly, partial does something like this (apart from keyword args support etc):
def partial(func, *part_args):
def wrapper(*extra_args):
args = list(part_args)
args.extend(extra_args)
return func(*args)
retu...