![🎯 Dart (DartLang) Introduction: Getting started with Dart/Flutter | by Uday Hiwarale | RunDart | Medium 🎯 Dart (DartLang) Introduction: Getting started with Dart/Flutter | by Uday Hiwarale | RunDart | Medium](https://miro.medium.com/v2/resize:fit:2000/1*KEPWFDtFkSfmNuUPy03EXQ.png)
🎯 Dart (DartLang) Introduction: Getting started with Dart/Flutter | by Uday Hiwarale | RunDart | Medium
![flutter - .pub-cache/hosted/pub.dartlang.org/http-0.13.5/lib/src/base_request.dart:144:7: Error: The getter 'Lrethrow' isn't defined for the class 'BaseRequest' - Stack Overflow flutter - .pub-cache/hosted/pub.dartlang.org/http-0.13.5/lib/src/base_request.dart:144:7: Error: The getter 'Lrethrow' isn't defined for the class 'BaseRequest' - Stack Overflow](https://i.stack.imgur.com/Jg3iV.png)
flutter - .pub-cache/hosted/pub.dartlang.org/http-0.13.5/lib/src/base_request.dart:144:7: Error: The getter 'Lrethrow' isn't defined for the class 'BaseRequest' - Stack Overflow
![android - Could not resolve URL "https://pub.dartlang.org". Error (69): Unable to 'pub upgrade' flutter tool. Retrying in five seconds... (9 tries left) - Stack Overflow android - Could not resolve URL "https://pub.dartlang.org". Error (69): Unable to 'pub upgrade' flutter tool. Retrying in five seconds... (9 tries left) - Stack Overflow](https://i.stack.imgur.com/LFq9x.png)