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How to implement has_many :through relationships with Mongoid and mongodb?
...4684b7e9"),
"contact_ids" : [ ObjectId("4d3ed089fb60ab534684b7f2") ]
}
Now for a self-referencing Association in MongoDB, you have a few options.
has_many :related_contacts, :class_name => 'Contact', :inverse_of => :parent_contact
belongs_to :parent_contact, :class_name => 'Contact', ...
Is file append atomic in UNIX?
...pretaion is correct then of course the different records may be mixed. But now that I'm rereading Bastien's quote, I think it must mean that nobody can interrupt "during the write" - otherwise the entire paragraph in the standard would be useless, providing literally no guarantees at all (not even t...
Send POST data on redirect with JavaScript/jQuery? [duplicate]
...o stop where the other began, ignoring all of the inputs that followed. I know this shouldn't happen, but there you go. The above method is nice when you want to 'redirect' with POST data from a piece of JS. Although I can't really shake feeling dirty when I do it this way ;).
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Why aren't variable-length arrays part of the C++ standard?
...ally has only little space available, isn't good. The argument is, if you know the size beforehand, you can use a static array. And if you don't know the size beforehand, you will write unsafe code.
C99 VLAs could provide a small benefit of being able to create small arrays without wasting space o...
Why Qt is misusing model/view terminology?
... opinion, the people who invented MVC should be turned to when we want to know how it is supposed to be implemented "correctly". In the original smalltalk paper it says:
The view manages the graphical and/or textual output to the portion of the bitmapped display that is allocated to its applica...
What new capabilities do user-defined literals add to C++?
...'t ever bother
// you elsewhere
std::complex<double> z1 = 1 + 2_i ;
Now, both C99 "double complex" type and C++ "std::complex" type are able to be multiplied, added, subtracted, etc., using operator overloading.
But in C99, they just added another type as a built-in type, and built-in operato...
HTML 5 Favicon - Support?
...con" considered harmful by Mathias Bynens
Everything you always wanted to know about touch icons by Mathias Bynens
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Suppress command line output
...e are subtle differences between the shell syntax and CMD.EXE.
Update: I know the OP understands the special nature of the "file" named NUL I'm writing to here, but a commenter didn't and so let me digress with a little more detail on that aspect.
Going all the way back to the earliest releases of...
Hg: How to do a rebase like git's rebase
...lible trace, and rebasing and other history editing techniques hide that.
Now go pick VonC's answer while I put my soapbox away. :)
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What's a good Java, curses-like, library for terminal applications? [closed]
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Java Curses has now gotten some recent attention, and a new release in 2012.
– Nate C-K
Apr 17 '12 at 19:44
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