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What's the difference between IQueryable and IEnumerable
...od ("half-compiled" if you will) that can be parsed by the queryable's provider and used accordingly.
For example:
IEnumerable<Person> people = GetEnumerablePeople();
Person person = people.Where(x => x.Age > 18).FirstOrDefault();
IQueryable<Person> people = GetQueryablePeople()...
Control the size of points in an R scatterplot?
... to be too small, but pch=19 to be too fat. Is there something in the middle or some way to scale the dots down somehow?
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How do I create a namespace package in Python?
... @clacke It doesn't work that way (but it has the same effect as if it did). It maintains a global list of all package namespaces created with that function, and watches sys.path. When sys.path changes it checks if that affects the __path__ of any namespace, and if it does then it updates those _...
Does git return specific return error codes?
... doesn't exist using git version 1.8.3.1
It would be nice to have a consolidated list of specific return codes returned by each command and what they indicate. This might also help prevent changing the return code meanings (which automation scripts might rely on).
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Is there a way to cause git-reflog to show a date alongside each entry?
The git-reflog command doesn't by default show a date alongside each entry, which strikes me as a strange oversight; I think this would be very helpful.
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How is attr_accessible used in Rails 4?
... more information about strong parameters in the Rails Action Controller guide.
Note: If you still want to use attr_accessible, you need to add protected_attributes to your Gemfile. Otherwise, you will be faced with a RuntimeError.
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Serializing a list to JSON
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@IamNumber5 already provided in the other answer. I extended my answer anyway.
– Jodrell
Jun 2 '15 at 9:38
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difference and when to use getApplication(), getApplicationContext(), getBaseContext() and someClass
I'm new to android and I'm trying to understand the difference between getApplication() , getApplicationContext( ), getBaseContext() , getContext() and someClass.this and especially when to use the these methods in the following code lines:
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How do I uninstall a package installed using npm link?
... link needs to be uninstalled globally - the --global flag needs to be provided.
In order to uninstall the globally linked foo package, the following command can be used (using sudo if necessary, depending on your setup and permissions)
sudo npm rm --global foo
This will uninstall the package.
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How to print the current Stack Trace in .NET without any exception?
... edited Feb 2 '15 at 4:25
David Gardiner
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answered Feb 10 '09 at 9:47
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