how to build apk create old version app in Flutter

I am trying to build my release app in Flutter and when I run: `flutter run` everything works fine in debugging and test mode. But when I was trying to build a release app with: `flutter build apk` it...

16 Jul at 04:51

Use multiple JWT Bearer Authentication

Is it possible to support multiple JWT Token issuers in ASP.NET Core 2? I want to provide an API for external service and I need to use two sources of JWT tokens - Firebase and custom JWT token issuer...

Time complexity to generate all pairs in an array

Given an array of numbers, generate all unique pairs. For example, given `[ 1, 2, 3, 4, 5 ]` the unique number pair would be: ``` (1, 2), (1, 3), (1, 4), (1, 5) (2, 3), (2, 4), (2, 5) (3, 4), (3, ...

5 Aug at 06:5

Yarn: How to upgrade yarn version using terminal?

How should `yarn` be upgraded to the latest version?

8 Feb at 08:13

Show an DisplayAlert at App.cs (Xamarin)

I am currently trying to constantly keep track whether the user is connected to internet or not. I have the codes to check for connectivity and I want to be able to show a popup whenever the user is...

6 Apr at 08:16

IdentityServer client authentication with public/private keys instead of shared secrets

I'm trying to use public/private keys instead of a shared secret for client secrets with IdentityServer4. This approach is documented [here](https://identityserver4.readthedocs.io/en/latest/topics/sec...

Extract Google Drive zip from Google colab notebook

I already have a zip of (2K images) dataset on a google drive. I have to use it in a ML training algorithm. Below Code extracts the content in a string format: ``` from pydrive.auth import GoogleAuth...

Create docx word document web api .net core 2.0

I am developing a Web API project in Asp.net core 2.0. I am in need of a library or way to create Word document. I have searched an tried NPOI and DocX. Both are not as good as expected. Can anyone su...

Pandas read_csv dtype read all columns but few as string

I'm using Pandas to read a bunch of CSVs. Passing an options json to dtype parameter to tell pandas which columns to read as string instead of the default: ``` dtype_dic= { 'service_id':str, 'end_dat...

6 Apr at 04:1

ASP.NET Core 2.0 LDAP Active Directory Authentication

I have found a lot of information from the past saying that [LDAP authentication isn't enabled yet but you can get around that using third party packages.](https://nicolas.guelpa.me/blog/2017/02/15/do...

How to update a single firebase firestore document

After authenticating i'm trying to lookup a user document at /users/, then i'd like to update the document with data from auth object as well some custom user properties. But I'm getting an error tha...

How to get the v-for index in Vue.js?

I have a Vue component like bellow: ``` <div v-for="item in items" :key="there I want get the for-loop index" > </div> ... data(){ items: [{name:'a'}, {name:'b'}...] } ``` How can I get the ...

5 Apr at 15:18

Servicestack - OrmLite not part of the ServiceStack namespace

I keep on getting the following compilation error message (" The type or namespace name 'OrmLite' does not exist in the namespace 'ServiceStack' (are you missing an assembly reference?)"). This is aft...

5 Apr at 12:30

NSubstitute Error UnexpectedArgumentMatcherException

I'm getting the following error: > NSubstitute.Exceptions.UnexpectedArgumentMatcherException: 'Argument > matchers (Arg.Is, Arg.Any) should only be used in place of member > arguments. Do not use in a...

7 May at 08:22

Angular 5 ngHide ngShow [hidden] not working

Good day, guys! I am trying to make my Angular 5 app hide elements (or show hidden). However, this seems to not work. I've tried ngHide, ng-hide, ngShow, ng-show, [hidden] methods - none of them wor...

5 Apr at 10:9

Using Include vs ThenInclude

I have been experimenting a little with Entity Framework, and after facing the error below, I tried using ThenInclude to resolve it. > The expression '[x].ModelA.ModelB' passed to the Include operator...

an error occurred while starting the application after publishing dot net core 2 app

After publishing my .net core 2 app on IIS 7.5 I get this error: > an error occurred while starting the application. Is there any way to force dot net core to submit a accurate error message rather ...

5 Apr at 08:27

can use API GET but not API POST

Im working on an existing Windows Service project in VS 2013. I've added a web API Controller class I cant remember now if its a (v2.1) or (v1) controller class....Anyway I've called it SyncPersonnel...

6 Apr at 01:22

Asp.Net MVC Core enabling double escape

I am working on a asp.net mvc core application and trying to allow double escaping. My Edit url has a phone number as hyperlink (Ex: +123). I know how to do with a normal asp.net mvc application. I u...

.net core 2.0 logging inside Kubernetes pod console

I wrote few web APIs in .net core 2.0 and deployed it using a docker container inside a Kubernetes cluster. I am using the below logging configuration but can't see any logs inside the Kubernetes pod ...

9 Jul at 16:41

how to update npm on macOS

For reasons unknown to me, I haven't been able to update to the latest version of npm on macOS (it works fine on Windows). Using Node.js 8.11.1 ``` node -v v8.11.1 ``` What version of npm do I ha...

2 Dec at 21:39

Why is IIS Worker Process locking a file?

My website is setup in the `D:\RW_System\RW_Webroot\BrokerOffice.Admin` folder (screenshot below). It's a .NET, C# WebForms application. For whatever reason, when I want to deploy changes to the s...

4 Apr at 21:43

If two WiFi networks exist with similar SSIDs, how can you distinguish between the two in code?

I'm writing a small network management tool. In order to pull out the details for various WiFi networks, I'm making calls to the `wlanapi.dll, WlanGetProfile(...)` API method to get the profile infor...

Cannot compile simple dynamic code after migration on .netstandard 2.0 (CodeDom throws System.PlatformNotSupportedException)

Trying to compile this sample of code: ``` var c = new CSharpCodeProvider(); var cp = new CompilerParameters(); var className = $"CodeEvaler_{Guid.NewGuid().ToString("N")}"; // doesn't work with or w...

Spring Security 5 : There is no PasswordEncoder mapped for the id "null"

I am migrating from Spring Boot 1.4.9 to Spring Boot 2.0 and also to Spring Security 5 and I am trying to do authenticate via OAuth 2. But I am getting this error: > java.lang.IllegalArgumentExcepti...