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Argparse: Way to include default values in '--help'?

...parser = argparse.ArgumentParser( # ... other options ... formatter_class=argparse.ArgumentDefaultsHelpFormatter) To quote the documentation: The other formatter class available, ArgumentDefaultsHelpFormatter, will add information about the default value of each of the arguments. Not...
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Why does one use dependency injection?

...ime.Now; }} } public class OfferWeasel { private readonly IGotTheTime _time; public OfferWeasel(IGotTheTime time) { _time = time; } public Offer Create(Formdata formdata) { var offer = new Offer(); offer.LastUpdated = _time.Now; return offer...
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user authentication libraries for node.js?

...sions What I ended up doing was creating my own middleware function check_auth that I pass as an argument to each route I want authenticated. check_auth merely checks the session and if the user is not logged in, then redirects them to the login page, like so: function check_auth(req, res, next) ...
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.NET data structures: ArrayList, List, HashTable, Dictionary, SortedList, SortedDictionary — Speed,

... edited Feb 23 '17 at 11:59 marc_s 650k146146 gold badges12251225 silver badges13551355 bronze badges answered Sep 24 '08 at 18:00 ...
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Default implementation for Object.GetHashCode()

...ect* obj) { CONTRACTL { THROWS; DISABLED(GC_NOTRIGGER); INJECT_FAULT(FCThrow(kOutOfMemoryException);); MODE_COOPERATIVE; SO_TOLERANT; } CONTRACTL_END; VALIDATEOBJECTREF(obj); DWORD idx = 0; if (obj == 0) ...
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'typeid' versus 'typeof' in C++

...ns type identification information at run time. It basically returns a type_info object, which is equality-comparable with other type_info objects. Note, that the only defined property of the returned type_info object has is its being equality- and non-equality-comparable, i.e. type_info objects de...
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Override configured user for a single git commit

...blyUnpythonic you're welcome :) You can also create an alias in your .bash_aliases, and/or you can also set a pre-commit hook to reject commit when user is not defined. – Asenar Dec 18 '16 at 14:25 ...
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What is the overhead of creating a new HttpClient per call in a WebAPI client?

...tHandler. Just make sure you don't dispose the handler: HttpClientHandler _sharedHandler = new HttpClientHandler(); //never dispose this HttpClient GetClient(string token) { //client code can dispose these HttpClient instances return new HttpClient(_sharedHandler, disposeHandler: false) ...
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How to get current path with query string using Capybara

The page url is something like /people?search=name while I used current_path method of capybara it returned /people only. ...
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How do I declare a 2d array in C++ using new?

...nah, it's not clever at all: it's obvious. class Matrix { ... size_t index( int x, int y ) const { return x + m_width * y; } }; Given this index() function (which I'm imagining is a member of a class because it needs to know the m_width of your matrix), you can access cells within your ma...