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How update the _id of one MongoDB Document?
...
To do it for your whole collection you can also use a loop (based on Niels example):
db.status.find().forEach(function(doc){
doc._id=doc.UserId; db.status_new.insert(doc);
});
db.status_new.renameCollection("status", true);
In this case UserId was the new ID I wanted to use
...
How to dynamically create a class?
...ype. If you want intellisense and no reflection, you have to have a static base class or interface that your dynamic class inherits from and can be casted to. In that case you can modify GetTypeBuilder() method and change moduleBuilder.DefineType call to include the static type as the last parameter...
Private and protected constructor in Scala
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Performance difference for control structures 'for' and 'foreach' in C#
...the lists indexer is implemented. As it turns out the enumerator for types based on arrays are normally written something like this:
private static IEnumerable<T> MyEnum(List<T> list)
{
for (int i = 0; i < list.Count; i++)
{
yield return list[i];
}
}
So as you c...
Flatten nested dictionaries, compressing keys
...a kind of a "functional", "one-liner" implementation. It is recursive, and based on a conditional expression and a dict comprehension.
def flatten_dict(dd, separator='_', prefix=''):
return { prefix + separator + k if prefix else k : v
for kk, vv in dd.items()
for k, v...
ASP.NET MVC RequireHttps in Production Only
...bit, and my VB is fairly rusty. All I know is that it compiles. I wrote it based on the suggestions of spot, queen3, and Lance Fisher. If it doesn't work, it should at least convey the general idea, and give you starting point.
Public Class RemoteRequireHttpsAttribute
Inherits System.Web.Mvc.Re...
Mocking python function based on input arguments
... mock. This allows you to vary the return
value of the call dynamically, based on the input:
>>> def side_effect(value):
... return value + 1
...
>>> m = MagicMock(side_effect=side_effect)
>>> m(1)
2
>>> m(2)
3
>>> m.mock_calls
[call(1), call(2)]
...
Rails I18n validation deprecation warning
....0.0-p247@application/gems/authlogic-3.1.0/lib/authlogic/acts_as_authentic/base.rb:37:in `include'",
"/Users/weppos/.rvm/gems/ruby-2.0.0-p247@application/gems/authlogic-3.1.0/lib/authlogic/acts_as_authentic/base.rb:37:in `block in acts_as_authentic'",
"/Users/weppos/.rvm/gems/ruby-2.0.0-p247@appli...
How do I get a human-readable file size in bytes abbreviation using .NET?
...ace for readability.
Basically Determine the number of decimal places in Base 1024 and then divide by 1024^decimalplaces.
And some samples of use and output:
Console.WriteLine(BytesToString(9223372036854775807)); //Results in 8EB
Console.WriteLine(BytesToString(0)); //Results...
emacs zoom in/zoom out
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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