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Collisions when generating UUIDs in JavaScript?
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35
My best guess is that Math.random() is broken on your system for some reason (bizarre as that s...
How do I save and restore multiple variables in python?
... here...
# Saving the objects:
with open('objs.pkl', 'w') as f: # Python 3: open(..., 'wb')
pickle.dump([obj0, obj1, obj2], f)
# Getting back the objects:
with open('objs.pkl') as f: # Python 3: open(..., 'rb')
obj0, obj1, obj2 = pickle.load(f)
If you have a lot of data, you can reduce...
Error while installing json gem 'mkmf.rb can't find header files for ruby'
...ll ruby2.0-dev
sudo apt-get install ruby2.2-dev
sudo apt-get install ruby2.3-dev
or, generic way:
sudo apt-get install ruby-dev
or
sudo apt-get install ruby`ruby -e 'puts RUBY_VERSION[/\d+\.\d+/]'`-dev
The first link you’ve posted is exactly your case: there is no ruby development...
Simple basic explanation of a Distributed Hash Table (DHT)
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3 Answers
3
Active
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Python UTC datetime object's ISO format doesn't include Z (Zulu or Zero offset)
...etime.utcnow().replace(tzinfo=simple_utc()).isoformat()
'2014-05-16T22:51:53.015001+00:00'
Note that this DOES conform to the ISO 8601 format, which allows for either Z or +00:00 as the suffix for UTC. Note that the latter actually conforms to the standard better, with how time zones are represent...
how to break the _.each function in underscore.js
...s, you could do something convoluted like this (link to JSFiddle):
[1, 2, 3, 4].every(function(n) {
alert(n);
return n !== 3;
});
This will alert 1 through 3, and then "break" out of the loop.
You're using underscore.js, so you'll be pleased to learn that it does provide an every method...
When to use os.name, sys.platform, or platform.system?
As far as I know, Python has 3 ways of finding out what operating system is running on:
5 Answers
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Using helpers in model: how do I include helper dependencies?
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134
Just change the first line as follows :
include ActionView::Helpers
that will make it works....
Find and replace string values in list
... a float/integer?
– Patriots299
Dec 31 '18 at 20:38
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