Not implemented/supported/invalid operation async method

What is the correct way to mark async method as not implemented/not supported or invalid operation. For the simplicity I would use only `NotImplementedException` in examples, but the question applies ...

4 May at 21:47

Using decimal values in DataRowAttribute

I've got a c# assembly for Tests to run in Visual Studio 2017 using MSTest.TestAdaptor 1.1.17. I want to use a DataTestMethod to run a test with several datasets. My Problem is, I want to use decimal ...

What is the idiomatic naming convention for local functions in C# 7

Normal class methods, whether instance or static, have an idiomatic naming convention with regards to their casing. It's not clear that there is a convention for [local functions](https://learn.micros...

22 Apr at 18:6

Return empty array instead of null

I created `Settings` class which I use to edit my application by `.ini` file. My `Settings.ini` file looks like this: ``` [ACCOUNT] login=xyz password=xyz locations=1,2,5,8 ``` Now I am getting the...

4 May at 11:40

System.Uri and encoded colon (:)

Before .Net 4.5, it seems that System.Uri would unencode encoded slashes, but this has since been fixed. Reference: [https://stackoverflow.com/a/20733619/188740](https://stackoverflow.com/a/20733619/1...

23 May at 12:2

How to force Flutter to rebuild / redraw all widgets?

Is there a way to force Flutter to redraw all widgets (e.g. after locale change)?

22 Oct at 23:45

Azure Storage 403 Forbidden exception a 32-bit issue?

We've spent quite some time to locate the reason for the following exception: ``` The remote server returned an error: (403) Forbidden. ``` Stacktrace: ``` at Microsoft.WindowsAzure.Storage.Core.E...

4 May at 09:27

How to print a specific row of a pandas DataFrame?

I have a massive DataFrame, and I'm getting the error: ``` TypeError: ("Empty 'DataFrame': no numeric data to plot", 'occurred at index 159220') ``` I've already dropped nulls, and checked dtypes for...

adding rows programmatically to grid in WPF window

I have a window with a button and a Grid in this window with rows and columns setup. I'm trying to create a button that when clicked will add another row to the Grid and then assign a user control to ...

3 May at 20:46

How to set php executable path php.validate.executablePath in vscode when php is set inside docker container?

I have a development environment based in docker. Everytime that I open VSCode I get this message: > Cannot validate since no PHP executable is set. Use the setting 'php.validate.executablePath' t...

21 Sep at 18:18

Entity Framework Core Using multiple DbContexts

I'm having a problem that when I try to access a field in my PartsDbContext I get the following error: > System.Data.SqlClient.SqlException: 'Invalid object name 'fieldName'' It seems that this is ...

Global Request Filter Async Order of Operations

Where do async global request filters fit in the order of operations as described [here](http://docs.servicestack.net/order-of-operations)? We recently added a global async filter and a request filte...

3 May at 18:12

Handle null in LINQ sum expression

I am using a LINQ query to find sum of a column and there is a slight chance that the value might be null in few cases The query I am using now is ``` int score = dbContext.domainmaps.Where(p => p...

5 May at 05:21

c# join string comma delimited, but double quote all values inside

I have a string list ``` new List<string> { "One", "Two", "Three", "Four", "Five", "Six" } ``` And I want to have a string with exact this content (including double quotes) ``` "One", "Two", "Thre...

3 May at 16:56

Selenium RemoteWebDriver c# - System.InvalidOperationException

I have a sample UI test project using v3.4.0 of Selenium.WebDriver. Everything works fine when I run the tests against a local driver but I want to get things working using Selenium Grid 2. As soon ...

How to remove file from Git history?

Some time ago I added info(files) that must be private. Removing from the project is not problem, but I also need to remove it from `git` history. I use Git and Github (private account). Note: On [thi...

22 Jan at 02:39

Pandas rename column by position?

I was just wondering if I can rename column names by their positions. I know how to rename them by their actual names using: `df.rename(columns = {})` How do I do it if I do not know the column nam...

22 Mar at 03:56

Replacing values greater than a number in pandas dataframe

I have a large dataframe which looks as: ``` df1['A'].ix[1:3] 2017-01-01 02:00:00 [33, 34, 39] 2017-01-01 03:00:00 [3, 43, 9] ``` I want to replace each element greater than 9 with 11. So, t...

3 May at 11:5

How to add a variable to Python plt.title?

I am trying to plot lots of diagrams, and for each diagram, I want to use a variable to label them. How can I add a variable to `plt.title?` For example: ``` import numpy as np import matplotlib.pypl...

8 Jan at 17:31

how to get value from appsettings.json

``` public class Bar { public static readonly string Foo = ConfigurationManager.AppSettings["Foo"]; } ``` In the .NET Framework 4.x, I can use the `ConfigurationManager.AppSettings ["Foo"]` to g...

3 May at 10:35

Null propagation feature and Razor views

Hello I have a strange issue. I use the null propagation feature in my razor pages like this ``` @(Model.ligneDossierLie?.dossier_id) ``` my project is based on 4.6.1 Framework and I use the last ...

3 May at 10:44

Format date within View in ASP.NET Core MVC

I have problem in regarding with converting the datetime to date using a model. ``` public partial class LoanContract { [DisplayFormat(DataFormatString = "{0:MM/dd/yyyy}")] public DateTime ...

3 May at 10:56

super(type, obj): obj must be an instance or subtype of type

Why do I get the following error, and how do I resolve it? > TypeError: super(type, obj): obj must be an instance or subtype of type

17 Apr at 12:33

.net Core X Forwarded Proto not working

I am working to get my .net core 1.1 application working behind a load balancer and enforcing https. I have the following setup in my Startup.cs ``` public void Configure(IApplicationBuilder app, IHos...

1 Mar at 14:55

Golang - DTOs, Entities and Mapping

I am new to Go having come from a C# background, and I am just plain confused about structure a Go application. Say I am building a REST API that will sit on top of a database. Also, say that, even af...

12 Mar at 07:40