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hasNext in Python iterators?

... The same idea could be used to implement the hasNext() method (to produce, cache and return true on success, or return false on failure). Then both hasNext() and next() would depend on a common underlying getNext() method and cached i...
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Clear variable in python

... to delete a variable, don't you? ok, I think I've got a best alternative idea to @bnul answer: You can delete individual names with del: del x or you can remove them from the globals() object: for name in dir(): if not name.startswith('_'): del globals()[name] This is just an...
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Execute method on startup in Spring

... This is a good idea in general but when starting up your spring application context from a integration test, main is never run! – Jonas Geiregat Aug 14 '15 at 7:58 ...
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Node.js app can't run on port 80 even though there's no other process blocking the port

...speed of your requests if you run this on production, maybe someone has an idea. Anyway, you would need to make sure this command keeps running all the time, which introduces more headaches. For production environments, I suggest using a reverse proxy like nginx. ...
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How can I uninstall an application using PowerShell?

...s in the name and it changes, but it doesn't seem to find the program. Any ideas? – NSouth Jan 15 '15 at 21:10 1 ...
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How can you list the matches of Vim's search?

... I like a lot your F5-F8 ideas. It would be nice to have some visualisations/outputs of those commands here. How is F8 designed to work? It searches only the current directory? - - The omit of a dir is a custom - - why node_modules? - - How perl rege...
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Removing the title text of an iOS UIBarButtonItem

... Any solution with magic numbers in it is a bad idea. With the push to autolayout, size classes, accessibility features, etc.. using constant values like this is bound to bite you. – Michael Peterson Mar 17 '16 at 21:15 ...
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Difference between OperationCanceledException and TaskCanceledException?

...n( "Test" ); } ); somehow it is 'changed' to a TaskCanceledException. Any idea how that might be? This is problem for me as I want to catch a 'true' OperationCanceledException via catch ( OperationCanceledException ) but I don't want this TaskCanceledException (which should really be ApplicationEx...
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Compare floats in php

... does not have a built-in constant representing an architecture's specific idea of epsilon. (See also get_defined_constants.) – bishop Nov 23 '15 at 19:23 ...
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Difference between two lists

...ar list3 = list1.Except(list2).ToList(); If you need to express a custom idea of equality, e.g. by ID, you'll need to implement IEqualityComparer<T>. For example: public class IdComparer : IEqualityComparer<CustomObject> { public int GetHashCode(CustomObject co) { if (...