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How can I generate an ObjectId with mongoose?
... ObjectId with Mongoose. Is there a way to access the ObjectId constructor from Mongoose?
4 Answers
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Why are arrays of references illegal?
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What more is there to say?
– polyglot
Jul 22 '09 at 11:13
9
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ICollection Vs List in Entity Framework
I only watched a few webcasts before I went head first in to designing a few Entity Framework applications. I really didn't read that much documentation and I feel like I am suffering for it now.
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How to sort a list in Scala by two fields?
how to sort a list in Scala by two fields, in this example I will sort by lastName and firstName?
4 Answers
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What does `someObject.new` do in Java?
...ic inner class from outside the containing class body, as described in the Oracle docs.
Every inner class instance is associated with an instance of its containing class. When you new an inner class from within its containing class it uses the this instance of the container by default:
public cla...
#if Not Debug in c#?
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You would need to use:
#if !DEBUG
// Your code here
#endif
Or, if your symbol is actually Debug
#if !Debug
// Your code here
#endif
From the documentation, you can effectively treat DEBUG as a boolean. So you can do complex tests like:
#if !DEBUG || (DEBUG && SOMETHIN...
Why is parenthesis in print voluntary in Python 2.7?
...)
(1,2) # (1, 2)
1,2 # 1 2 -- no tuple and no parenthesis :) [See below for print caveat.]
However, since print is a special syntax statement/grammar construct in Python 2.x then, without the parenthesis, it treats the ,'s in a special manner - and does not create a Tuple. This special treatment...
jQuery: Can I call delay() between addClass() and such?
...a new queue item to do your removing of the class:
$("#div").addClass("error").delay(1000).queue(function(next){
$(this).removeClass("error");
next();
});
Or using the dequeue method:
$("#div").addClass("error").delay(1000).queue(function(){
$(this).removeClass("error").dequeue();
})...
Data structure for loaded dice?
...ability p k of coming up when I roll it. I'm curious if there is good algorithm for storing this information statically (i.e. for a fixed set of probabilities) so that I can efficiently simulate a random roll of the die.
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Passing references to pointers in C++
...reference to the string as Sake suggested. With that in mind it should be more obvious why the compiler complains about you original code. In your code the pointer is created 'on the fly', modifying that pointer would have no consequence and that is not what is intended. The idea of a reference (vs....