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Prepend a level to a pandas MultiIndex
...I think this is a more general solution:
# Convert index to dataframe
old_idx = df.index.to_frame()
# Insert new level at specified location
old_idx.insert(0, 'new_level_name', new_level_values)
# Convert back to MultiIndex
df.index = pandas.MultiIndex.from_frame(old_idx)
Some advantages over t...
Why does pylint object to single character variable names?
...able name should be descriptive and not too short.
You can use this to avoid such short names:
my_list.extend(x_values)
Or tweak PyLint's configuration to tell PyLint what variable name are good.
share
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Pass correct “this” context to setTimeout callback?
...etTimeout ? I want to call this.tip.destroy() if this.options.destroyOnHide after 1000 ms. How can I do that?
5 Answers...
What components are MVC in JSF MVC framework?
...acesServlet
In the developer picture, the architectural V is in turn dividable as below:
M - Entity
V - Facelets/JSP page
C - Managed bean
In the smaller client picture, the developer V is in turn dividable as below:
M - JSF component tree
V - Rendered HTML output
C - Client (webbrowser)
In...
Run two async tasks in parallel and collect results in .NET 4.5
... tasks would run in parallel.
public class Program
{
static void Main(string[] args)
{
Go();
}
public static void Go()
{
GoAsync();
Console.ReadLine();
}
public static async void GoAsync()
{
...
How to use enum values in f:selectItem(s)
... on my question. Is it possible to make the f:selectItem more flexible considering what happens if the order of the enums changes, and if the list was large? And could I do this better? And is it possible to automatically "select" the item that the question have?
...
npm command to uninstall or prune unused packages in Node.js
...ne:
This command removes "extraneous" packages. If a package name is provided, then only packages matching one of the supplied names are removed.
Extraneous packages are packages that are not listed on the parent package's dependencies list.
If the --production flag is specified, this command will...
The purpose of Model View Projection Matrix
...an u suggest any sample code for pan functionality in Opengl Es2.0 in Android using this Model View Projection Matrix if Possible. I refereed more links, i could not get any clear idea.if any sample code means, its easy to understand for me..
– harikrishnan
Jun...
Some questions about Automatic Reference Counting in iOS5 SDK
...
If I decide to upgrade to iOS 5, do I
need to remove all [myObject retain]
and [myObject release] statements from
my code?
Yes, but XCode 4.2 includes a new "Migrate to Objective-C ARC" tool (in the Edit->Refactor menu), w...
Is it possible to figure out the parameter type and return type of a lambda?
...
Heh, I was just writing this. Didn't think about tuple_element though, thanks.
– GManNickG
Oct 30 '11 at 7:30
...