Questions

WPF TreeView with virtualization - select and bring item into view

I've been working with WPF treeview for a bit recently and I'm having a really awful time trying to get the selected item to show up on the screen when the user uses a search function that sets the Is...

17 Jul at 08:27

how to resolve "Unable to find package" nuget error

Working on creating a nuget pkg for a project (A.csproj) which depends on another project (B.csprojec) added as a project reference. Here is the .nuspec , ``` <?xml version="1.0"?> <package > <met...

18 Sep at 01:4

Angular 6 add input on enter key

I have component called `text-editor.component` and this is my html template: ``` <div class="container"> <div id="testo" class="offset-1 text-center" > <input type="text" class="col-8 text-center...

6 Jan at 12:5

Get the center point between many GameObjects in Unity

I have created a game in which you can control X characters at the same time in the same form and they can die at any time. My problem is when I want the game camera to include all these gameobjects. ...

6 May at 06:7

Jenkins pipeline how to change to another folder

Currently i am using Jenkins pipeline script. For running one command, I need to access a folder outside its workspace directory. I tried `sh "cd $workspace/"`, but it returned current workspace fo...

17 Sep at 17:1

Check value in array exists Flutter dart

I am trying to check condition ``` if (value in List) { exist } else { not exist } ``` but nothing to help anyone having an idea then please share. ``` My List = _quantityController[]; ``` ...

18 Sep at 04:32

Namespace "stuck" as Terminating, How I removed it

I had a "stuck" namespace that I deleted showing in this eternal "terminating" status.

27 Jul at 15:22

ServiceStack: Authenticate each request using headers in the HTTP request

I have have read [other posts](https://stackoverflow.com/questions/15804582/servicestack-authentication-process-on-each-request) on the same topic, but I haven't really gotten a clear picture of how t...

Invariant Violation: Text strings must be rendered within a <Text> component

I've upgraded from RN 0.54 to 0.57 and my app has pretty much fallen over due to using React Native Elements. I took use of their error functionality on `TextInput` components which basically enabled...

17 Sep at 12:58

How to change label text in xamarin

I am relatively new to Xamarin forms. I have found out I am unable to change label text from the code behind. Normally I would do `myLabel.text = variable`. Does this work in Xamarin? If it does why d...

17 Sep at 11:6

Entity Framework Core 2.1 - Multiple Providers

What is the right way to work with multiple providers? My Example: ``` { "ConnectionStrings": { "Sqlite": "Data Source=database.db" } } ``` ``` public void ConfigureServices(IServiceCol...

18 Sep at 16:18

PHP with MySQL 8.0+ error: The server requested authentication method unknown to the client

I'm running MySQL version 8 on PHP 7.0. I'm getting the following error when I try to connect to my database from PHP: > Connect Error: SQLSTATE[HY000] [2054] The server requested authentication met...

16 Jun at 18:30

In-line TryGetValue in If conditon and evaluate it's Value

Is there any way how to write `TryGetValue` on one line in If condition. Normal way of calling `TryGetValue` would be: What I am looking for would be something like this. I know that line wouldn't wor...

7 May at 05:47

How to return 404 on wrong API url? (ASP.NET Core + SPA)

I need to return 404 on wrong api call so I can create proper response to user on client side (Angular 5). Currently backend returns status code 200 and index.html, and that results in json parse erro...

16 Sep at 21:24

AttributeError: 'Tensor' object has no attribute 'numpy'

How can I fix this error I downloaded this code from GitHub. ``` predicted_id = tf.multinomial(tf.exp(predictions), num_samples=1)[0][0].numpy() ``` throws the error ``` AttributeError: 'Tensor' ...

Difference between a List's Add and Append method?

Is there a difference between the `.Append()` and the `.Add()` method for lists in C#? I tried searching in Google and in the site but to my surprise no one asked it. My reason for asking is to know i...

4 Apr at 00:24

Pass current transaction to DbCommand

I'm working on a project using ASP.NET Core 2.1 and EF Core 2.1. Although most of queries and commands use EF, some units needs to call stored procedures directly. I can't use `FromSql`, because it ne...

24 Apr at 09:47

Why is IL.Emit method adding additional nop instructions?

I have this code that emits some `IL` instructions that calls `string.IndexOf` on a `null` object: ``` MethodBuilder methodBuilder = typeBuilder.DefineMethod( ...

16 Sep at 00:41

How do I use Windows Authentication with the Flurl library?

[Flurl](https://flurl.io/docs/fluent-http/) has methods for doing OAuth and Basic authentication: ``` await url.WithBasicAuth("username", "password").GetJsonAsync(); await url.WithOAuthBearerToken("m...

15 Sep at 17:33

App.config add nested group to existing node

I have to save 2 different groups of settings in my root settings group. It should looks like this: ``` <?xml version="1.0" encoding="utf-8"?> <configuration> <configSections> <sectionGroup...

Center content vertically on Vuetify

Is there a way to center content vertically in Vuetify? With the `text-xs-center` helper class, the content gets centered horizontally only: ``` <v-container grid-list-md text-xs-center> <v-layout...

18 May at 18:40

ServiceStack: Routes.AddFromAssembly still uses /json/reply path and no URL-niceness for properties

I have a ServiceStack self-hosted webservice, using the `AppSelfHostBase`. WHen the Configure method is executed, I have this: ``` public override void Configure(Container container) { Config.Ro...

25 Jun at 21:4

C# - how to do multiple web requests at the same time

I wrote a code to check urls, however, ir works really slow.. I want to try to make it work on few urls at the same time, for example 10 urls or at least make it as fast as possible. my Code: ``` Pa...

14 Sep at 19:28

Unit Test and IDistributedCache using azure redis

I have a working implementation of Azure Redis and .Net Core 2 using code very similar to what's described in this [article](https://www.c-sharpcorner.com/article/using-azure-redis-cache-on-your-net-c...

14 Sep at 16:33

Attribute Routing Inheritance

I always used this approach in my MVC applications before ``` [Route("admin")] public class AdminController : Controller { } [Route("products")] public class ProductsAdminController :AdminControlle...