Why do I get an IndexError (or TypeError, or just wrong results) from "ar[i]" inside "for i in ar"?
I'm trying to sum the values of a list using a `for` loop. This is my code: ``` def sumAnArray(ar): theSum = 0 for i in ar: theSum = theSum + ar[i] return theSum ``` I get the fol...
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- 23 Jan at 03:39
javax.xml.bind.JAXBException Implementation of JAXB-API has not been found on module path or classpath
I'm trying to run my Spring Boot application on Java 9, and I've faced with JAXB problem, which described in the guides, but didn't work for me. I've added dependency on JAXB api, and application star...
Could not install packages due to an EnvironmentError: [WinError 5] Access is denied:
I have windows 10. I have completed installing Tensorflow. It works. It says "Hello Tensorflow!". But it has all of this before it: ``` 2018-08-18 18:16:01.500579: I T:\src\github\tensorflow\tensorflo...
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- 19 Dec at 08:2
Identity server is keep showing "Showing login: User is not authenticated" in /connect/authorize/callback
Using IdentityServer4, I'm implementing Code flow authorization on an existing system which supports only ResourceOwnerPassword grant type in IdentityServer and works well. I got into a stage where t...
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- 18 Aug at 21:38
C# ITypeInfo.GetContainingTypeLib fails when passed live instance of VBA Class
So I have experimented on calling `ITypeInfo` on a VBA Class instance and whilst it looks promising I wanted to see if I could get a reference to its containing project, an analogue to a type library....
Update WPF datagrid after changes happen in the sqlite database
I'm trying to update my datagrid after I update/add/delete items from the database. Should I create a thread running in a loop and query the database? I'm using servicestack.ormlite
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- 18 Aug at 14:6
Could not load file or assembly 'System.Security.Principal.Windows'
Solution has compiled successfully, but after I added an existing class file to the project, this error appeared: > The specified task executable "csc.exe" could not be run. Could not load file or ...
How to find closest point on line?
I have a point (A) and a vector (V) (suppose it's infinite length), and I want to find the closest point (B) on the line to my original point (A). What's the simplest expression using Unity Vector2's ...
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- 18 Aug at 06:18
How to delete object from Cosmos DB without knowing the partition key value?
If I don't have the partition key value, how do I delete a document? I have the `id` of the document and the property name of the partition key (in my case: `type`). I tried: Got error: `PartitionKey ...
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- 6 May at 20:39
C# generic method type argument not inferred from usage
Recently I've experimented with an implementation of the visitor pattern, where I've tried to enforce Accept & Visit methods with generic interfaces: ``` public interface IVisitable<out TVisitable> w...
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- 20 Aug at 09:9
How to retrieve Entity Configuration from Fluent Api
Using Entity-Framework 6 I'm able to set up the configuration through Fluent Api like this: ``` public class ApplicationUserConfiguration : EntityTypeConfiguration<ApplicationUser> { public Appli...
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- 19 Dec at 17:49
ServiceStack Ormlite issuing Sqlite specific command
I am running Ormlite against a sqlite database. Love it. I am adding and deleting lots of records and find that the database does well with an occasional Vacuum command. How can I issue this around t...
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- 23 Aug at 15:5
ASP.NET Core (2.1) Web API: Identity and external login provider
I have been discovering a bit the ASP.NET Core for a few days and wanted to try implementing authentication via LinkedIn. Most of the tutorials I found online used MVC and this is a seamless process, ...
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- 16 Aug at 18:52
ServiceStack - UserAuth "Id" is INT while RavenDb expects "Id" to be STRING
I am trying to implement ServiceStack Authentication and Authorization for RavenDb. ServiceStack UserAuth model has property "Id" as Int while RavenDb excepts "Id" to be String. When I try to create...
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- 16 Aug at 14:56
C# WPF fit application depending on monitor size after maximize/minimize after moving between monitors
I have two monitors: Screen 1: which is secondary screen with 1920x1080 Screen 2: which is primary screen with 1600x900 Screen 1 is larger then Screen 2. When I open my application in Screen 2, an...
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- 16 Aug at 18:43
TypeScript foreach return
I wonder if there is a better way of doing this - looks like returning out of a foreach doesn't return out of the function containing the foreach loop, which may be an expectation from C# devs. Just...
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- 12 Sep at 18:10
Intercept bad requests before reaching controller in ASP.NET Core
I have a logic to apply in case the request received is a BadRequest, to do this I have created a filter: ``` public class ValidateModelAttribute : ActionFilterAttribute { public override void On...
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- 27 Sep at 11:13
Junit 5 - No ParameterResolver registered for parameter
I can write up and execute Selenium script without any special test framework but I wanted to use Junit 5 (because we have dependency with other tools) and I have never seen such error `org.junit.jupi...
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- 20 Oct at 03:16
C# ReadOnlySpan<char> vs Substring for string dissection
I have a fairly simple string extension method that gets called very frequently in a system I have that is doing a lot of string manipulations. I read this post ([String.Substring() seems to bottlenec...
How to get all files from a directory in Azure BLOB using ListBlobsSegmentedAsync
While trying to access all files of the Azure blob folder, getting sample code for `container.ListBlobs();` however it looks like an old one. Old Code : `container.ListBlobs();` New Code trying : `co...
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- 5 May at 15:48
Error: List<dynamic> is not a subtype of type Map<String, dynamic>
I am currently building an app to read data through an api and I am trying to parse a JSON api from JSON Placeholder. I made a model class for the Users (users_future_model.dart): ``` class Users { ...
How to configure ServiceStack.Text to use EnumMember when deserializing?
I am using ServiceStack.Text to deserialize json received in rest api calls to objects C#. The model classes I use have defined the string representation using [EnumMember](https://learn.microsoft.com...
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- 15 Aug at 07:36
WPF applications stop responding to touches after adding or removing tablet devices
Run any WPF application on a computer which is currently has a high CPU usage, if you keep plugging and unplugging a USB HID tablet device at the same time, the WPF applications will stop responding t...
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- 24 Apr at 10:39
How to get argument types from function in Typescript
I may have missed something in the docs, but I can't find any way in typescript to get the types of the parameters in a function. That is, I've got a function ``` function test(a: string, b: number)...
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- 22 Jan at 10:30
Generate SHA-1 for Flutter/React-Native/Android-Native app
I'm trying to generate a SHA-1 for a Flutter app, for Android studio to support Google Sign in, but I don't know how to do that, I saw some posts that indicate to run a command, but there I need a jks...
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- 27 Feb at 15:55