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What are “first class” objects?

...cos = makeDerivative( Math.sin, 0.000001); // cos(0) ~> 1 // cos(pi/2) ~> 0 Source. Entities that are not first class objects are referred to as second-class objects. Functions in C++ are second class because they can't be dynamically created. Regarding the edit: EDIT. When one ...
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Rails: Check output of path helper from console

... 429 You can show them with rake routes directly. In a Rails console, you can call app.post_path. T...
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How to output a comma delimited list in jinja python template?

... 321 You want your if check to be: {% if not loop.last %} , {% endif %} Note that you can also ...
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Is sizeof(bool) defined in the C++ language standard?

... answered Feb 4 '11 at 12:16 GManNickGGManNickG 444k4747 gold badges454454 silver badges530530 bronze badges ...
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How to change the map center in Leaflet.js

... 172 For example: map.panTo(new L.LatLng(40.737, -73.923)); ...
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How do I undo “Scope to this” in Visual Studio 2012?

... 2 Answers 2 Active ...
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Position geom_text on dodged barplot

...position = "dodge") + geom_text(aes(variable, `(all)`, label = sprintf("%2.1f", `(all)`)), position = position_dodge(width = 1)) + coord_flip() The key is using position = position_dodge(width = 1) instead of position = "dodge", which is just a shortcut without any parameter. ...
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Open the file in universal-newline mode using the CSV Django module

... Peter Mortensen 26.5k2121 gold badges9292 silver badges122122 bronze badges answered Jul 18 '11 at 21:41 mohdmohd ...
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How do I get the name of a Ruby class?

... | edited Aug 7 '19 at 14:26 Hans Z 4,25011 gold badge2121 silver badges4646 bronze badges answered May ...
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How to convert boost path type to string?

... location and is put into a variable that is the type of: boost::filesystem2::path 5 Answers ...