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When to use symbols instead of strings in Ruby?
...iers. For Ruby < 2.2 only use symbols when they aren't generated dynamically, to avoid memory leaks.
Full answer
The only reason not to use them for identifiers that are generated dynamically is because of memory concerns.
This question is very common because many programming languages don't h...
From an array of objects, extract value of a property as array
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Check out Lodash's _.pluck() function or Underscore's _.pluck() function. Both do exactly what you want in a single function call!
var result = _.pluck(objArray, 'foo');
Update: _.pluck() has been removed as of Lodash v4.0.0, in favour of _...
Handling applicationDidBecomeActive - “How can a view controller respond to the app becoming Active?
...tionDidBecomeActiveNotification and specify which method that you want to call when that notification gets sent to your application.
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(someMethod:)
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What is the closest thing Windows has to fork()?
I guess the question says it all.
13 Answers
13
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AngularJS. How to call controller function from outside of controller component
How I can call function defined under controller from any place of web page (outside of controller component)?
10 Answers
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Combining two Series into a DataFrame in pandas
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this actually avoids copying too (as compared to the dict solution)
– Jeff
Aug 5 '13 at 16:27
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How do I terminate a thread in C++11?
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You could call std::terminate() from any thread and the thread you're referring to will forcefully end.
You could arrange for ~thread() to be executed on the object of the target thread, without a intervening join() nor detach() on that...
usr/bin/ld: cannot find -l
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@ZoOo that shouldn't normally matter, the linker can work with either one
– djf
May 23 '13 at 9:48
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Python: access class property from string [duplicate]
...k just perfectly if source names ANY attribute of self, including the other_data in your example.
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Select between two dates with Django
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Use the __range operator:
...filter(current_issue__isnull=True, created_at__range=(start_date, end_date))
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