null-safety-CodePudding

Tags > null-safety

09-08Back-endFlutter/Dart - Difference between obj!.property and obj?.property
08-24databaseStateless widget to Stateful widget convert Dart Flutter
08-19databaseListview api white screen return problem flutter
08-19front endtype 'String' is not a subtype of type 'Map<String, dynamic>' flutter
08-19front enderror: Non-nullable instance field 'reverseMap' must be initialized. Flutter
08-19front endtype 'Null' is not a subtype of type 'String' flutter on api call
08-15EnterpriseNoSuchMethodError: Class 'String' has no instance method 'toDouble'. flutter
08-15Enterprisetype 'String' is not a subtype of type 'double' in type cast flutter
08-15EnterpriseClass '_InternalLinkedHashMap<String, dynamic>' has no instance getter 'code�
08-15EnterpriseClass '_InternalLinkedHashMap<String, dynamic>' has no instance getter 'name�
08-10MobileNull safety error on model file from quicktype model
08-09other3 errors in make components in flutter
07-30databaseError related to The argument type 'Object' can't be assigned to the parameter type &
05-23NetHow to take integer input from user in dart
05-19Software engineeringIs there a way in PHP to use null coalesing/nullsafe operators to default to not set any value?
05-09Software designThe body might complete normally, causing 'null' to be returned, but the return type,
05-05EnterpriseThe argument type 'List<Slots?>?' can't be assigned to the parameter type '
04-28Software engineeringNull check operator used on a null value: The relevant error-causing widget was CustomBottomBar
04-02OSThe argument type 'TextStyle?' can't be assigned to the parameter type 'TextStyl
03-18MobileWhat is your recommended workflow for Flutter null safety migration tool
03-17NetMissingStubError: 'get' when using mockito 5.1.0 to test api using riverpod
03-12Software designNull aware assignment of map entry
02-17Back-endI'm new to flutter and trying to use spread operator and Map into a List but I get null safety
02-11Software engineeringWhy im getting this error Warning: Operand of null-aware operation '??' has type 'Str
12-21otherWhy does being null safe matter
12-17EnterpriseZero joins with null in the null-safe join
11-20NetMethod 'showBottomSheet' cannot be called on 'ScaffoldState?' because it is pote
11-12MobileThe argument type 'List<dynamic>' can't be assigned to the parameter type '
11-10NetHow best to convert old Dart code that triggers "The non-nullable variable must be assigned&quo
11-10Software engineeringwhat is other solution for "required" in null safety to get uid in firestore?
10-31BlockchainError: Expected ',' before this. validator: validate!(String value),
10-24Back-endError: The parameter 'onSubmit' can't have a value
10-06BlockchainHow to make a generic functions in List<T> to get a Non-Optional type in Dart - Null Safety
09-27Software engineeringHow not to print a null value received from sqflite database?