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Why are ToLookup and GroupBy different?
...okup<TKey, TSource> . ILookup<TKey, TSource> also implements interface IEnumerable<IGrouping<TKey, TSource>> .
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Converting NumPy array into Python List structure?
...t this converts the values from whatever numpy type they may have (e.g. np.int32 or np.float32) to the "nearest compatible Python type" (in a list). If you want to preserve the numpy data types, you could call list() on your array instead, and you'll end up with a list of numpy scalars. (Thanks to M...
Changing the status bar text color in splash screen iOS 7
...how to change the status bar for all view controllers. I am currently changing the color of status bar this way:
6 Answers
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R programming: How do I get Euler's number?
For example, how would I go about entering the value e^2 in R?
3 Answers
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Spring Boot Rest Controller how to return different HTTP status codes?
I am using Spring Boot for a simple REST API and would like to return a correct HTTP statuscode if something fails.
6 Answe...
MongoDB: update every document on one field
...> is:
{ $set: { lastLookedAt: Date.now() / 1000 } }
However, depending on your version of MongoDB, the query will look different. Regardless of version, the key is that the empty condition {} will match any document. In the Mongo shell, or with any MongoDB client:
$version >= 3.2:
db.fo...
Django Admin - Disable the 'Add' action for a specific model
...e with lots of models and forms. I have many custom forms and formsets and inlineformsets and custom validation and custom querysets. Hence the add model action depends on forms that need other things, and the 'add model' in the django admin throughs a 500 from a custom queryset.
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is there any way to force copy? copy without overwrite prompt, using windows?
I want to write a list of windows commands(it's a long list) where it does all these magical things for me, but whenever I use copy, it stops to ask fro overwrite prompt. When I type yes, it overwrites the old file then just stops there.
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DialogFragment setCancelable property not working
I am working in an android application and am using a DialogFragment to show a dialog and I want to make that DialogFragment not cancelable. I have made the dialog cancelable property to false, but still its not affecting.
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jQuery empty() vs remove()
What's the difference between empty() and remove() methods in jQuery , and when we call any of these methods, the objects being created will be destroyed and memory released?
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