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When do I use a dot, arrow, or double colon to refer to members of a class in C++?
...small print:
In C++, types declared as class, struct, or union are considered "of class type". So the above refers to all three of them.
References are, semantically, aliases to objects, so I should have added "or reference to a pointer" to the #3 as well. However, I thought this would be more...
ASP.NET MVC: Unit testing controllers that use UrlHelper
...hat is being called in an Ajax request, is returning an URL to the client side so it can do a redirection. I'm using Url.RouteUrl(..) and during my unit tests this fails since the Controller.Url parameter is not pre-filled.
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How do I specify multiple targets in my podfile for my Xcode project?
...nd your list of Targets is no longer needed (and does not work?). deets: guides.cocoapods.org/syntax/podfile.html#link_with
– toblerpwn
Jan 2 '14 at 3:56
2
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Importing from a relative path in Python
...r):
Python 2.6 and 3.x supports proper relative imports, where you can avoid doing anything hacky. With this method, you know you are getting a relative import rather than an absolute import. The '..' means, go to the directory above me:
from ..Common import Common
As a caveat, this will only ...
Difference between knockout View Models declared as object literals vs functions
...elf.items.remove(item);
}
};
Now, if you are in the scope of an individual item and call $root.removeItem, the value of this will actually be the data being bound at that level (which would be the item). By using self in this case, you can ensure that it is being removed from the overall view...
Given an emacs command name, how would you find key-bindings ? (and vice versa)
...ut this function having a docstring seems to suggest otherwise. Anyone considering use of where-is-internal should first check if remapping keys instead can achieve their goal.
An alternative for finding the keys that are bound to a specific command (e.g., forward-char) is substitute-command-keys (...
Can you help me understand Moq Callback?
...Returns respectively), plain and simple.
– Ohad Schneider
Aug 10 '17 at 9:58
1
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How to iterate over arguments in a Bash script
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Incidentally, one of the other merits of "$@" is that it expands to nothing when there are no positional parameters whereas "$*" expands to the empty string -- and yes, there is a difference between no arguments and one empty ar...
Are there other whitespace codes like   for half-spaces, em-spaces, en-spaces etc useful in HTML
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Firefox renders all of the above spaces as the same width, wider than one space in the font, except for nbsp, where it renders as one space and imposes the non-breaking character. A real shame. There are cases where only a character will do, for instance when padding is being c...
What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
........." token. You can check, that the following code compiles fine [via ideone.com].
2 Answers
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