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How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?
...egarding UTC is untrue. The resulting DateTime/Time object will be in UTC vs local, yes, but the original timestamp is interpreted as being in UTC in both cases! So the moment in time is equal regardless of method. Try Time.at(1318996912) == DateTime.strptime("1318996912",'%s') in a non-UTC timez...
What is a race condition?
...there is no way of having an automated oracle that can distinguish correct vs. incorrect program behavior in the general case. Race detection is an undecidable problem.
On the other hand, data races have a precise definition that does not necessarily relate to correctness, and therefore one can det...
What is the difference between old style and new style classes in Python?
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community wiki
10 revs, 7 users 53%Projesh Bhoumik
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What is the difference between HTML tags and ?
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span is an inline element.
This means that to use them semantically, divs should be used to wrap sections of a document, while spans should be used to wrap small portions of text, images, etc.
For example:
<div>This a large main division, with <span>a small bit</span> of span...
.NET data structures: ArrayList, List, HashTable, Dictionary, SortedList, SortedDictionary — Speed,
...ray but still pretty fast. These are used a lot in .NET
List - one of my favs - can be used with generics, so you can have a strongly typed array, e.g. List<string>. Other than that, acts very much like ArrayList
Hashtable - plain old hashtable. O(1) to O(n) worst case. Can enumerate the value...
What is the best way to insert source code examples into a Microsoft Word document?
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I've had good luck with both VS and Eclipse in doing just this- using the IDE's editor to do the syntax coloring (and any formatting I like), then cutting and pasting directly into word. I typically follow it up with setting the font across the snippet ...
Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]
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edited Mar 27 '18 at 14:12
simhumileco
17.8k1010 gold badges9393 silver badges8484 bronze badges
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Log all requests from the python-requests module
...ways debuglevel > 0
– Yohann
Apr 27 '16 at 10:52
3
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What exactly are unmanaged resources?
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Good one on the additional clarity on unmanaged vs managed resources
– now he who must not be named.
Nov 2 '15 at 6:23
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differentiate null=True, blank=True in django
...base and shared since it would save time for others to do the same. Theory vs example make a difference when it comes to assimilating and committing to memory. In fact, I went out of the way to add the mapping for a database I wasn't using. Thanks for the downvote. The number of people who found thi...