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Mean per group in a data.frame [duplicate]
...
Using data.table:
# At first, I convert the data.frame to data.table and then I group it
setDT(d)
d[, .(Rate1 = mean(Rate1), Rate2 = mean(Rate2)), by = .(Name)]
# Name Rate1 Rate2
#1: Aira 16.33333 47.00000
#2: Ben 31.33333 50.33333
#3: Cat 44.66667 54.00000
There is another way of do...
How can I profile Python code line-by-line?
...thon script that produces this output look like? import line_profiler; and then ?
– Zhubarb
Mar 11 '14 at 12:19
11
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Using Ajax.BeginForm with ASP.NET MVC 3 Razor
...o that it needs to update itself (and NOT another div outside of the form) then you need to put the containing div OUTSIDE of the form. For example:
<div id="target">
@using (Ajax.BeginForm("MyAction", "MyController",
new AjaxOptions
{
HttpMethod = "P...
How do you handle multiple submit buttons in ASP.NET MVC Framework?
...
Give your submit buttons a name, and then inspect the submitted value in your controller method:
<% Html.BeginForm("MyAction", "MyController", FormMethod.Post); %>
<input type="submit" name="submitButton" value="Send" />
<input type="submit" name...
How to give ASP.NET access to a private key in a certificate in the certificate store?
.... (note: the following assumes the certificate is imported already, if not then import the certificate first) Right click on the certificate you want to grant Full control on. In the context menu, click "All Tasks", then in the submenu click on "Manage Private Keys". From there you can add whatever ...
Could not find stored procedure 'dbo.aspnet_CheckSchemaVersion'
...DBPassword -A all -d DBName
If you don't know where to run above command then you can simply run 'aspnet_regsql.exe' executable file.
In order to locate this file open your RUN Command Box by pressing Windows Key + r and put below command in that %windir%\Microsoft.NET\Framework\v4.0.30319 and Hi...
ASP.NET MVC View Engine Comparison
...g on SO & Google for a breakdown of the various View Engines available for ASP.NET MVC, but haven't found much more than simple high-level descriptions of what a view engine is.
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ASP.NET MVC controller actions that return JSON or partial html
...sult SomeActionMethod() {
return Json(new {foo="bar", baz="Blech"});
}
Then just call the action method using Ajax. You could use one of the helper methods from the ViewPage such as
<%= Ajax.ActionLink("SomeActionMethod", new AjaxOptions {OnSuccess="somemethod"}) %>
SomeMethod would be...
Are static class instances unique to a request or a server in ASP.NET?
... for e.g. you could instantiate the object in Application.BeginRequest and then store it in HttpRequest object so that it can be accessed by all objects in the request processing pipeline.
share
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How do I add BundleConfig.cs to my project?
... to your web project:
Install-Package Microsoft.AspNet.Web.Optimization
Then under the App_Start folder create a new cs file called BundleConfig.cs. Here is what I have in my mine (ASP.NET MVC 5, but it should work with MVC 4):
using System.Web;
using System.Web.Optimization;
namespace CodeRepo...