Questions

ASP Core Cannot Set User Secrets in VS 2017

With visual studio 2017, when I try to set a user secret I get the following error: ``` > dotnet user-secrets set Authentication:Google:ClientId mysecretclientid > Could not find the global property ...

How to get row number in dataframe in Pandas?

How can I get the number of the row in a dataframe that contains a certain value in a certain column using Pandas? For example, I have the following dataframe: ``` ClientID LastName 0 34 J...

3 Apr at 20:42

Hibernate Error executing DDL via JDBC Statement

I really need help I searched in all the questions I found on stackoverflow and nothing works. I have never used hibernate before and I don't know what I am doing wrong. Here is my repository: [https:...

3 Apr at 18:8

How can I add space between Bootstrap card elements?

I'm trying to add space between the two card decks. I'm using bootstrap 4 alpha 6. I've no idea why using `mt-20` on the second card deck wont do it. I've tried wrapping them in rows and doing it, but...

8 Dec at 15:20

Laravel - create model, controller and migration in single artisan command

I can create a model and resource controller (binded to model) with the following command ``` php artisan make:controller TodoController --resource --model=Todo ``` I want to also create a migratio...

16 Dec at 16:37

Tomcat 404 error: The origin server did not find a current representation for the target resource or is not willing to disclose that one exists

I was following the tutorial on and got stuck at step 6: [http://o7planning.org/en/10169/java-servlet-tutorial](http://o7planning.org/en/10169/java-servlet-tutorial) It's just a simple project that s...

20 Jun at 09:12

DLL load failed error when importing cv2

I have installed opencv on my windows machine using python 3.6 without any issues, using: ``` pip install opencv-python ``` but when I try to import cv2 I get the following error ``` ImportError: ...

9 Jul at 18:19

How to get the .resx file strings in asp.net core

How to get the resx file strings in asp.net core? I get the strings using ResxResourceReader in mvc. But I can't get the same in asp.net core.

20 Aug at 14:49

Locating data volumes in Docker Desktop (Windows)

I'm trying to learn docker at the moment and I'm getting confused about where data volumes actually exist. I'm using . (Windows 10) In the docs they say that running docker inspect on the object wil...

In C# can you define an alias to a value tuple with names?

I know it's possible to define aliases in C# with the keyword. e.g. ``` using ResponseKey = System.ValueTuple<System.Guid, string, string>; ``` However, is it possible to define one using the new...

3 Apr at 09:30

C# 7 local function not working as expected and no errors being displayed

I have an Asp.Net MVC App running with framework version .NET 4.5 and I'm using VS2017 pro version. Users can upload attachments including but not limited to: - - - - - - So I have a `private` fun...

23 May at 12:17

How to Get Selected Value from Dropdown List C# ASP.NET

i have created simple website asp.net webform using C#. i have code to display data in dropdownlist when page load like this: ``` private void DisplayData() { List<ListItem> items = new List<List...

3 Apr at 01:59

Python: create a pandas data frame from a list

I am using the following code to create a data frame from a list: ``` test_list = ['a','b','c','d'] df_test = pd.DataFrame.from_records(test_list, columns=['my_letters']) df_test ``` The above code...

3 Apr at 01:38

Map network drive programmatically in C# on Windows 10

I followed the approache to map a network drive programmatically in the following link: [Mapping Network Drive using C#](https://www.codeproject.com/Articles/90143/Mapping-Network-Drive-using-C) The ...

8 Aug at 09:24

Python pandas groupby aggregate on multiple columns, then pivot

In Python, I have a pandas DataFrame similar to the following: ``` Item | shop1 | shop2 | shop3 | Category ------------------------------------ Shoes| 45 | 50 | 53 | Clothes TV | 200 | 3...

Can you use es6 import alias syntax for React Components?

I'm trying to do something like the following, however it returns null: ``` import { Button as styledButton } from 'component-library' ``` then attempting to render it as: ``` import React, { Prop...

Creating an array of System.ValueTuple in c# 7

In my code I have: ``` private static readonly ValueTuple<string, string>[] test = {("foo", "bar"), ("baz", "foz")}; ``` But when I compile my code, I get: ``` TypoGenerator.cs(52,76): error CS10...

2 Apr at 11:35

Filter only by Date using mongoDB c# driver

I am using mongoDB c# latest driver i.e 3.+ in my project. I have different date filter criteria like Today,Last Day,Yesterday,This Month etc by using daterangepicker. Here is my model ``` public cl...

8 Apr at 16:29

Add .well-known to asp.net core

I want to have a `.well-known` directory in my root for letsencrypt renewals. I have added a route to `.well-known` like so: ``` app.UseStaticFiles(new StaticFileOptions { FilePr...

2 Apr at 09:48

How to implement authenticated routes in React Router 4?

I was trying to implement authenticated routes but found that React Router 4 now prevents this from working: ``` <Route exact path="/" component={Index} /> <Route path="/auth" component={Unauthenticat...

How to unit test a console program that reads input and writes to the console

Let's say I have a simple program like ``` using System; public class Solution { public static void Main(string[] args) { int[] arr = Array.ConvertAll(Console.ReadLine().Split(' '),...

1 Apr at 19:6

How to POST using HTTPclient content type = application/x-www-form-urlencoded

I am currently developing a wp8.1 application C#, i have managed to perform a POST method in json to my api by creating a json object (bm) from textbox.texts. here is my code below. How do i take the ...

12 Feb at 16:50

Way to create multiline comments in Bash?

I have recently started studying shell script and I'd like to be able to comment out a set of lines in a shell script. I mean like it is in case of C/Java : ``` /* comment1 comment2 comment3 *...

1 Apr at 14:33

ServiceStack.Swagger.Api supportedSubmitMethods

I have a service set up that uses ServiceStack.Swagger.Api. My service has several endpoints that support OPTIONS requests. Is there a way to configure the SwaggerAPI plugin to add 'options' to the js...

31 Mar at 21:24

How to center the elements in ConstraintLayout

I am using `ConstraintLayout` in my application to make applications layout. I am trying to a create a screen wheren one `EditText` and `Button` should be in center and `Button` should be below of `Ed...