How can I one hot encode in Python?
I have a machine learning classification problem with 80% categorical variables. Must I use one hot encoding if I want to use some classifier for the classification? Can i pass the data to a classifie...
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- 31 Aug at 14:54
#1292 - Incorrect date value: '0000-00-00'
I referenced many questions which have the same title as mine, but they have a different approach and different issue so this question is not a duplicate. I have a table in which `column` `fm_sctrdat...
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- 11 Jan at 21:39
Creating a service to determine the string format based on user's session
I have a need to format a bank account number based on the user's country. So rather than passing the location for each time I need the value, e.g: ``` Account.FormatBankAccountNumber("AU", bsb, acco...
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- 18 May at 06:6
Getting a specific field from a JSON string without deserializing in C#
I currently have a REST app which returns a JSON string something like: `[{error: "Account with that email exists"}]` For when an error is thrown. I don't want to deserialize it into a custom "error" ...
Moq.netcore failing for .Net Core RC2
So I had a solution working on .Net RC1 with Moq, and I've upgraded to RC2 which I found that Moq.netcore was created to run on the new platform. I added aspnet-contrib to my NuGet.config ``` <?xml ...
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- 18 May at 00:39
How to get images in Bootstrap's card to be the same height/width?
So here is my code, it displays 6 cards, three across and two rows. I would like for the images to all be the same size without having to manually resize the images. The responsiveness does work, I us...
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- 7 Nov at 04:46
How do I raise an event when a method is called using Moq?
I've got an interface like this: ``` public interface IMyInterface { event EventHandler<bool> Triggered; void Trigger(); } ``` And I've got a mocked object in my unit test like this: ``` p...
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- 27 Jan at 13:22
ActionContext gone in Microsoft.AspNetCore.Mvc.Controller
I cant find ActionContext in Microsoft.AspNetCore.Mvc.Controller after i changed my Version to AspNetCore 1.0.0-preview1 this is Controller class (after Change): [](https://i.stack.imgur.com/C6IeR.pn...
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- 6 Dec at 03:23
ServiceStack DTO Mapping Issue
We are seeing an issue in 4.0.56 that we've seen before (see UPDATE 3 of [ServiceStack - [Reference] or [Ignore]?](https://stackoverflow.com/questions/36133236/servicestack-reference-or-ignore)) - nam...
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- 23 May at 12:24
Combine a character constant and a string literal to create another constant
I code in C# primarily these days, but I coded for years in VB.NET. In VB, I could combine a character constant and a string literal to create other constants, which is very handy: ``` Const FileExt...
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- 17 May at 19:41
IntelliJ cannot find any declarations
I completely uninstalled IntelliJ and have now reinstalled and imported my project. I imported using gradle and can see all of the files in my project present. However, when I open a file I can't find...
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- 8 Dec at 08:51
Default property value in React component using TypeScript
I can't figure out how to set default property values for my components using Typescript. This is the source code: ``` class PageState { } export class PageProps { foo: string = "bar"; } expor...
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- 17 May at 16:52
Using Func delegate with Async method
I am trying to use Func with Async Method. And I am getting an error. > Cannot convert async lambda expression to delegate type `'Func<HttpResponseMesage>'`. An async lambda expression may return voi...
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- 17 May at 17:38
Why does the variance of a class type parameter have to match the variance of its methods' return/argument type parameters?
The following raises complaints: ``` interface IInvariant<TInv> {} interface ICovariant<out TCov> { IInvariant<TCov> M(); // The covariant type parameter `TCov' // must ...
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- 23 May at 10:28
Suppress warning without code
I am trying to suppress some warnings in Visual Studio, but the problem is that they don't have a code or anything I could use to identify them(or I can't find it). Most of these errors look like "Th...
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- 17 May at 14:19
Async await and threads
I am working with `async-await` and tasks, but I can't understand the one thing: **Is async task executes in separate thread?** As msdn says ([Asynchronous programming][1]): > The async and await keyw...
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- 5 May at 14:16
Service Fabric include additional files
I have a Visual Studios solution containing the following: - - The stateless service project uses configuration-based dependency injection, meaning the dependencies are loosly coupled with the proj...
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- 17 May at 18:19
Null-conditional operator evaluates to bool not to bool? as expected
I've just upgraded from VS 2010 to 2015. I like the new [null-conditional operator](https://msdn.microsoft.com/en-GB/library/dn986595.aspx?cs-save-lang=1&cs-lang=csharp#code-snippet-1) which is also k...
How to setup single Nuget packages folder for multiple solutions and projects in Visual Studio 2015
We are developing multiple solutions in Visual Studio 2015. The solutions share some core projects that need nuget packages. The nuget references cannot be resolved when the nuget package is added fro...
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- 17 May at 11:18
SQLite Database Encryption C#?
I'm using ORMLite and SQLite for my ORM and database in a WPF application. The way I am currently encrypting my data is by using an AES 256 function that encrypts each individual string in the databas...
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- 22 May at 01:27
convert string to number node.js
I'm trying to convert req.params to Number because that is what I defined in my schema for year param. I have tried ``` req.params.year = parseInt( req.params.year, 10 ); ``` and ``` Number( req....
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- 17 May at 08:58
How to get the Current Date in ReactNative?
I am building my first ReactNative iOS and Android app. I am an iOS coder with Swift and Obj-C. How do I fetch the current date using ReactNative. Shall I use Native Modules or is there an ReactNativ...
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- 17 May at 08:49
The ADO.NET provider 'Oracle.ManagedDataAccess.Client' is either not registered in the machine or application config file, or could not be loaded
I am using `.NET4.5.1`, `MVC5`, `EF6`, with `Oracle.ManagedDataAccess 4.121.1.0` and `Oracle.ManagedDataAccess.EntityFramework 6.121.2.0` I was able to generate Model from existing database (part of ...
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- 23 May at 12:25
git status (nothing to commit, working directory clean), however with changes commited
I found many questions with similar subject, but I didn't found any practical guidance about this issue: why `git status` informs me `nothing to commit, working directory clean`, even tough I have mad...
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- 20 Dec at 01:41