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Return multiple columns from pandas apply()
I have a pandas DataFrame, df_test . It contains a column 'size' which represents size in bytes. I've calculated KB, MB, and GB using the following code:
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Is there a way to chain multiple value converters in XAML?
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I used this method by Gareth Evans in my Silverlight project.
Here's my implementation of it:
public class ValueConverterGroup : List<IValueConverter>, IValueConverter
{
#region IValueConverter Members
public object Conv...
How to create ASP.NET Web API Url?
In ASP.NET MVC, we have @Url.Action for actions. Is there something similar like @Url.Api which would route to /api/controller?
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Simple way to copy or clone a DataRow?
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You can use ImportRow method to copy Row from DataTable to DataTable with the same schema:
var row = SourceTable.Rows[RowNum];
DestinationTable.ImportRow(row);
Update:
With your new Edit, I believe:
var desRow = dataTable.NewRow();
var source...
Why is enum class preferred over plain enum?
I heard a few people recommending to use enum classes in C++ because of their type safety .
9 Answers
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Facebook database design?
... FriendID). Both columns would be foreign keys back to the Users table.
Somewhat useful example:
Table Name: User
Columns:
UserID PK
EmailAddress
Password
Gender
DOB
Location
TableName: Friends
Columns:
UserID PK FK
FriendID PK FK
(This table features a composi...
Adding parameter to ng-click function inside ng-repeat doesn't seem to work
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How to make inline functions in C#
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Yes, C# supports that. There are several syntaxes available.
Anonymous methods were added in C# 2.0:
Func<int, int, int> add = delegate(int x, int y)
{
return x + y;
};
Action<int> print = delegate(int x)
{
Console.WriteLine(x);
}
Action<int> helloWorld = delegate // p...
What do the return values of node.js process.memoryUsage() stand for?
From the official documentation ( source ):
4 Answers
4
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What is the difference between pip and conda?
...re all aware of pip, easy_install, and virtualenv, but these tools did not meet all of our specific requirements. The main problem is that they are focused around Python, neglecting non-Python library dependencies, such as HDF5, MKL, LLVM, etc., which do not have a setup.py in their source code and ...