Why do I get "List index out of range" when trying to add consecutive numbers in a list using "for i in list"?

Given the following list ``` a = [0, 1, 2, 3] ``` I'd like to create a new list `b`, which consists of elements for which the current and next value of `a` are summed. It will contain less element t...

22 Feb at 14:20

Install a certificate for a local cluster

I have some code to authenticate with Azure Key Vault in order to retrieve some secrets. I am authentication using a client id and certificate instead of a client id and secret. This code works great ...

3 Jun at 16:20

How to check if a "lateinit" variable has been initialized?

I wonder if there is a way to check if a `lateinit` variable has been initialized. For example: ``` class Foo() { private lateinit var myFile: File fun bar(path: String?) { path?.le...

27 Nov at 12:3

Xamarin .jar binding - 'Bitmap could not be found'

I have a `.jar` file with a Java interface called `MyService`, which has a method: ``` boolean printBitmapObject(android.graphics.Bitmap bitmap, byte[] result); ``` I would like to use this `.jar` ...

13 Jun at 13:1

How to insert TIMESTAMP into my MySQL table?

In the MySQL table I have a field called date its type is called timestamp and the default is `CURRENT_TIMESTAMP`. However, if I leave the field blank in MySQL I get an error. When I try to insert som...

8 Sep at 19:48

How to create a foreign key in phpmyadmin

I want to make doctorid a foreign key in my patient table. So I have all of my tables created - the main problem is that when I go to the table > structure > relation view only the primary key comes ...

3 Jun at 13:22

I cannot create any web project in Visual Studio 2015

For some reason I cannot create a new web project after having installed the latest [.NET Core SDK/CLI](https://github.com/dotnet/cli). In the dialog window I selected an project and checked the ch...

23 May at 12:8

Unable to start debugging. The startup project could not be launched. VS2015

I have started a new console project in VS2015. I only have this code : ``` using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using ...

3 Jun at 11:12

react-native run-android is unrecognized

I've installed react-native-cli globally: ``` npm install -g react-native-cli ``` Then run: ``` react-native init AwesomeProject cd AwesomeProject ``` I got the following structure: ...

15 Sep at 09:41

Access Jira API using OAuth2.0 2-legged approach in .NET

How to create access token for JIRA Rest API? Of relevant data I have - - Jira's Rest API Oauth [example](https://developer.atlassian.com/jiradev/jira-apis/jira-rest-apis/jira-rest-api-tutorials/j...

When to use TaskCreationOptions.LongRunning?

I've wondered this for quite a while, but never really found the answer. I understand that it's a hint for the task scheduler where the task will run on, and that the task scheduler can (or nowadays...

EntityFramework : Invalid column name *_ID1

I am trying to implement DbContext for couple of tables called '`Employee`' and '`Department`' Relationship between Employee and Department is many to one. i.e. department can have many employees. B...

3 Jun at 05:28

Is there a way to remove the "/json/reply/" section of the url?

I would like the URL for a request to be `/AmazingRequest` (or even `/AmazingService`) instead of `/json/reply/AmazingRequest`. I've tried the `Route` attribute, but it seems to have no effect. Is i...

2 Jun at 22:21

Get total amount of GPU memory?

Is there an easy and reliable way to get the total amount of the physical GPU memory? I have tried this, but the problem is it returns 4096MB and I'm using a GTX 780 with 6144MB, so yeah not displayi...

2 Jun at 20:6

docker - how do you disable auto-restart on a container?

I can enable auto-restart with `--restart=always`, but after I stop the container, how do I turn off that attribute? I normally run a webserver and typically map port 80: ``` docker run -d --restart...

2 Jun at 18:3

Create a hyperlink using Xamarin.Forms (xaml and c#)

I basically want to create a hyperlink in Xamarin.Forms using the label class. Basically, I want to following link to take the user to google.com in a web browser: ``` <Label Text="http://www.google.c...

Exception of type 'System.StackOverflowException' was thrown

My program throws this exception: > System.StackOverflowException when the compiler executes the set property. The `wine` class: ``` class wine { public int year; public string name; p...

10 Sep at 09:26

What is the reason behind CS1998 "method lacks await operators"

The C# compiler generates a CS1998 warning when an `async` method lacks any `await` operators. I know that `async` introduces overhead in the method by adding a statemachine and exception handling...

2 Jun at 14:28

ServiceStack SqLite Creation of Compute field

I am trying to use inMemory database (using ServiceStack.OrmLite.Sqlite.Windows) for unit testing in servicestack based web api. i created a table to insert into inmemory database using the existing M...

How to cast a nullable DateTime to UTC DateTime

I'm reading back a DateTime? value from my view. Now I check to see if the `NextUpdate` DateTime? `HasValue` and if so convert that time to `UTC`. From reading up on this it seems I need to use a `nu...

How to unset (remove) a collection element after fetching it?

I have a collection which I want to iterate and modify while I fetch some of its elements. But I could't find a way or method to remove that fetched element. ``` $selected = []; foreach ($collectio...

10 Dec at 14:49

Visual Studio error: "The debugger cannot unwind to this frame." on any exceptions

I used to be able to edit and continue when an exception occurred in my Visual Studio 2015 C# (WPF if relevant) projects. I often get simple things like null reference exceptions, and I could just qui...

How to call another components function in angular2

I have two components as follows and I want to call a function from another component. Both components are included in the third parent component using directive. Component 1: ``` @component( ...

5 Sep at 06:15

Set an "on demand" only job in HangFire

In Hangfire, I have successfully set recurring jobs and am able to trigger manually if I want to, thanks to the Web UI and its "trigger" button. ``` RecurringJob.AddOrUpdate(..); ``` [](https://i.s...

2 Jun at 08:59

Replace entity in context with a different instance of the same entity

I have an entity which is not connected to my `dbcontext`. I want to change that. However there is already another instance of the same entity attached to `dbcontext`. If I just add my new entity, I g...

16 Dec at 09:33