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std::function vs template

...object that adheres to a specific signature, but whose concrete type is unknown at compile-time. This is typically the case when you have a collection of callbacks of potentially different types, but which you need to invoke uniformly; the type and number of the registered callbacks is determined a...
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How to get record created today by rails activerecord?

... Post.where(created_at: Time.zone.now.beginning_of_day..Time.zone.now.end_of_day) PS: This answer has been modified as answer by Harish Shetty was better than mine. As my answer is accepted one. I have updated this answer for community support ...
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Should we pass a shared_ptr by reference or by value?

...er and prettier. Seriously. Value* is short and readable, but it's bad, so now my code is full of const shared_ptr<Value>& and it's significantly less readable and just... less tidy. What used to be void Function(Value* v1, Value* v2, Value* v3) is now void Function(const shared_ptr<Val...
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How to use auto-layout to move other views when a view is hidden?

...ample) set the view's width to 0, you'll run into two problems. First, you now have double spacing between the superview and the visible view: |-(space)-[hidden(0)]-(space)-[visible] is effectively |-(2*space)-[visible]. Second, that view might start throwing constraint violations depending on its o...
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How can I consume a WSDL (SOAP) web service in Python?

...sclaimer: I am new to post in here, so I can't post more than one link for now). pypi.python.org/pypi/requests pypi.python.org/pypi/suds_requests/0.1 Once you successfully download and install these modules, you are good to go. The code Following the steps outlined earlier, the code loo...
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Make virtualenv inherit specific packages from your global site-packages

... Do you know if there is any way of 'activating' the --system-site-packages option on a previously-created virtual environment? I would love to avoid the hassle of reinstalling all my local packages! – Gabriel ...
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How to set cookie in node js using express framework?

... the latter by calling next() when the cookie has been set. Update As of now the cookie parser is a seperate npm package, so instead of using app.use(express.cookieParser()); you need to install it separately using npm i cookie-parser and then use it as: const cookieParser = require('cookie-p...
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How do I access properties of a javascript object if I don't know the names?

... Now this actually answers the question, well done @Adam Lassek, very nicely done. – nickl- Sep 25 '12 at 15:05 ...
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Get a list of all git commits, including the 'lost' ones

...eachable from any branches, and felt a bit dirty leaving them in the repo. Now the thought isn't quite as unsettling anymore. :) – Emil Lundberg Jan 27 '12 at 0:34 ...
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How do I enumerate through a JObject?

... Now how do I use it for nested JSON? For example, if the "value" contains another set of key:value pairs, how can I use the JToken value to iterate through next set of pairs? – AlbatrossCafe ...