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Convert UTC to local time in Rails 3

...mes. See them with: rake time:zones:us You can also run rake time:zones:all for all time zones. To see more zone-related rake tasks: rake -D time So, to convert to EST, catering for DST automatically: Time.now.in_time_zone("Eastern Time (US & Canada)") ...
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if A vs if A is not None:

... The statement if A: will call A.__nonzero__() (see Special method names documentation) and use the return value of that function. Here's the summary: object.__nonzero__(self) Called to implement truth value testing and the built-in operation ...
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Django connection to PostgreSQL: “Peer authentication failed”

... is set up to deny ordinary users from connecting through UNIX sockets but allows them over TCP/IP from localhost. – Jim Garrison May 1 '13 at 1:05 3 ...
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Class method differences in Python: bound, unbound and static

...n Python, there is a distinction between bound and unbound methods. Basically, a call to a member function (like method_one), a bound function a_test.method_one() is translated to Test.method_one(a_test) i.e. a call to an unbound method. Because of that, a call to your version of method_two ...
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How can I retrieve the remote git address of a repo?

... But this shows all remotes, origin and others, how do I retrieve only the one, where I am on a branch? – rubo77 Nov 16 '16 at 11:02 ...
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Default initialization of std::array?

...rantee that the syntax std::array<T, N> x; will default-initialize all the elements of the array ? 5 Answers ...
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python multithreading wait till all threads finished

...oin method of Thread object in the end of the script. t1 = Thread(target=call_script, args=(scriptA + argumentsA)) t2 = Thread(target=call_script, args=(scriptA + argumentsB)) t3 = Thread(target=call_script, args=(scriptA + argumentsC)) t1.start() t2.start() t3.start() t1.join() t2.join() t3.join...
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How to use “not” in xpath?

... is there a way to say grab all the <p> tags but not the <a> tag inside them? imagine something like <p>text text<a class="x">TEXT</a>text text</p> . i want all the text in p but not the TEXT in a. is that possible wi...
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Iterate over model instance field names and values in template

...f that instance in table format, with the field name (verbose_name specifically if specified on the field) in the first column and the value of that field in the second column. ...
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how to break the _.each function in underscore.js

...t provide to escape the loop (other than throwing an exception). However, all hope is not lost! You can use the Array.every method. :) From that link: every executes the provided callback function once for each element present in the array until it finds one where callback returns a false valu...