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mongoDB/mongoose: unique if not null
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173
As of MongoDB v1.8+ you can get the desired behavior of ensuring unique values but allowing mult...
How to retrieve form values from HTTPPOST, dictionary or?
...lue1 = model.SimpleProp1;
var value2 = model.SimpleProp2;
var value3 = model.ComplexProp1.SimpleProp1;
...
... return something ...
}
Another (obviously uglier) way is:
[HttpPost]
public ActionResult SubmitAction()
{
var value1 = Request["SimpleProp1"];
var value2 = Reque...
Why can lambdas be better optimized by the compiler than plain functions?
...in = f(*begin);
}
Calling it with a lambda like this:
int a[] = { 1, 2, 3, 4 };
map(begin(a), end(a), [](int n) { return n * 2; });
Results in this instantiation (created by the compiler):
template <>
void map<int*, _some_lambda_type>(int* begin, int* end, _some_lambda_type f) {
...
CSS3 Transparency + Gradient
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326
Yes. You can use rgba in both webkit and moz gradient declarations:
/* webkit example */
back...
Passing command line arguments in Visual Studio 2010?
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answered Sep 13 '10 at 0:51
Andrew CooperAndrew Cooper
30.5k33 gold badges7171 silver badges107107 bronze badges
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Query for array elements inside JSON type
I'm trying to test out the json type in PostgreSQL 9.3.
I have a json column called data in a table called reports . The JSON looks something like this:
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Select element based on multiple classes
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3 Answers
3
Active
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Can C++ code be valid in both C++03 and C++11 but do different things?
Is it possible for C++ code to conform to both the C++03 standard and the C++11 standard, but do different things depending on under which standard it is being compiled?
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Extracting text from HTML file using Python
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32 Answers
32
Active
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Show SOME invisible/whitespace characters in Eclipse
...t keen on making them even worse.
[UPDATE] This has been fixed in Eclipse 3.7: Go to Window > Preferences > General > Editors > Text Editors
Click on the link "whitespace characters" to fine tune what should be shown.
Kudos go to John Isaacks
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