How to use Bluestacks as emulator in Android studio.

Emulator of Android Studio Consumes lots of Ram and also Slow Down PC. So, Better is to use BlueStacks as emulator in android studio as well as in VS Code….

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How to upload new keystore or app signing key in Google play console after lost or forget Keystore.

Hi Guys, If you have lost your uploaded application Keystore (App Signing Key) or have forgotten your keystore password, then how will you upload new key in your application and…

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[SOLVED] ErrorException preg_match(): No ending delimiter ‘/’ found

I’m working on Laravel 5.8. I’m trying to use Validator to validate a name field with regex, here is my rule below:   But as soon as I call the…

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How to Check if an application is on its first run or One time Intro Screen with Flutter.

If you wish to show the intro screen only for the first time, you will need to save locally that this user has already seen intro. For such thing you…

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[SOLVED] Unhandled Exception: Navigator operation requested with a context that does not include a Navigator.

This happens because when you do Navigator.of(context), it will start from the widget associated to the context used. And then go upward in the widget tree until it either find…

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[SOLVED] Flutter: A RenderFlex overflowed by 61 pixels on the right.

An Exception was thrown when i’m debugging my application i.e., Right Overflowed by 61 Pixels. Exception thrown in Terminal ═══════════════════ Exception caught by rendering library══════════════════════ The following assertion was thrown…

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[SOLVED] Flutter: A problem was found with the configuration of task ‘:google_sign_in:compileDebugJavaWithJavac’.

In my flutter project, when i Started Debugging then it returns an Exception message which is FAILURE: Build failed with an exception. See the below output of my Terminal. Solution…

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How to Get SHA-1 key in Android Studio for Firebase.

There are two Methods of getting SHA-1 key, but First one is not working for Windows user. So, if you are a Windows user then go for 2nd Method. 1….

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[SOLVED] Error: “Bottom Overflowed” error caused by the keyboard.

When Keyboard Appears, then you receive an error: “Bottom overflowed by 67 pixels”. In technical terms, the size of the viewport was reduced and it caused an overflow in our…

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How to Overwrite Local Files with Git Pull.

If you feel the need to discard all your local changes and just reset/overwrite everything with a copy from the remote branch, then you should follow this guide. Important: If…

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[SOLVED] Error: Your app isn’t using AndroidX.

I developed an app in flutter with Visual Studio code on Windows. When i ran the project it shows a message, Your app isn’t using AndroidX.To avoid potential build failures,…

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[SOLVED] Error: MySQL shutdown unexpectedly.

When I open XAMPP and click start MySQL button and it gives me an error. I had started it just before, but now it isn’t working. 12:19:12 PM [mysql] Attempting…

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JSON Web Token (JWT) Authentication via API for Laravel & Lumen.

JWT (JSON WEB TOKEN) JSON Web Token (JWT) is an open standard that allows two parties to securely send data and information as JSON objects. This information can be verified…

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How to Test Laravel API from Localhost to Android Emulator.

If you are Working with laravel API and and want to test your app in local with android emulator or your mobile Connected to your Computer, so just follow the…

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[SOLVED] Argument 1 passed to Tymon\JWTAuth\JWT::fromUser() must be an instance of Tymon\JWTAuth\Contracts\JWTSubject

Step 1. Go to config/app.php and add to Providers. Step 2. In your terminal publish the config file:  and add it to your list service providers in app.php Step 3. In…

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RESTful Services in Web API.

RESTful Service Structure Let’s have a look at the structure a RESTful service generally has, or how it works. Here we have, well, parts of a RESTful service. We’ve got…

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How to Use Postman API Client.

This is the interface with which we will work a lot throughout this course, and which allows you to send requests to RESTful APIs, It looks a bit like a…

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Postman – What is Postman, and how do I set-up the tool?

Postman is a little program, or a Chrome extension to be precise, which allows you to access RESTful APIs in a very convenient way, with a graphical user interface and…

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What are Restful Services?

Restful Services provide uniform, standardized access with clear request requirements and response structure. This means that Restful services allow us to know which data they will receive so that the…

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