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serial.DataReceived 이벤트는 주 스레드가 아닌 보조 스레드에서 발생 UI요소인 Binding 된 TextBox의 Text를 변경하려 하면 Thread Exception 오류가 발생한다. UI ViewModel private string? _rF_IDS; public string? RF_IDS { get { return _rF_IDS; } set { _rF_IDS = value; OnPropertyChanged(nameof(RF_IDS)); } } public HomeViewModel() { RFConnectCommand = new RFConnectCommand(this); } Command private readonly HomeViewModel _viewModel; public RFCon..
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public MainWindow() { InitializeComponent(); txtUsername.Text = Properties.Settings.Default._TextBox; radio_1.IsChecked = (Nullable)Properties.Settings.Default._RadioButton1 is null ? false: Properties.Settings.Default._RadioButton1; radio_2.IsChecked = (Nullable)Properties.Settings.Default._RadioButton2 is null ? false : Properties.Settings.Default._RadioButton2; } 속성> 설정> 일반
MSSQL 2019 Encrypt / Decrypt 대칭키 암호화 사용 (AES_256) /* -- 테이블 생성 Create Table RTable ( R_ID VARCHAR(20), -- R_Value VARCHAR(20), -- R_Var varbinary(256) NOT NULL -- 구분 ) -- drop master key Create Master key Encryption by Password = '비밀번호입력' -- drop Certificate mCertify Create Certificate mCertify with Subject = 'keyCert', EXPIRY_DATE = '2099-12-01'; -- 만료일자 go -- drop symmetric key mCKey Create Sy..
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: UNPROTECTED PRIVATE KEY FILE! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ Permissions 0644 for '/Users/kkkkk/.ssh/id_rsa' are too open. It is required that your private key files are NOT accessible by others. This private key will be ignored. Load key "/Users/kkkk/.ssh/id_rsa": bad permissions ubuntu@xxx.xxx..
dotnet ef migrations add Initial dotnet ef migrations remove 삭제 오류메시지: The migration '20220518102320_Initial' has already been applied to the database. Revert it and try again. If the migration has been applied to other databases, consider reverting its changes using a new migration instead. 해결 --> 1. dotnet ef database update 0 2. dotnet ef migrations remove 업데이트 해주고 삭제. 오류 메시지: The name 'Initi..
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애플스토어 앱게시 Test Flight 외부테스트 1. visual studio for mac Release 모드로 변경 2. iOS 휴대폰 연결 3. Exxxx.iOS에서 IOS빌드 > 플랫폼 IOS 4. 버전 변경 info.plist 에서 번들 버전 문자열, 번들 버전. 5. 게시를 위한 보관 ( 앱번들을 보관하는 중…) 6. Xcode Archive > unknown scheme 선택 버전 선택 7. Archive version 번호 선택 8. Distribute App 선택 9. App Store Connect 선택 10. upload 선택 11. Distribution certification = default Exxxx.iOS.app: Distribute _Wild_profile 12. Xco..
int sumvalue = Result_Table.AsEnumerable().Sum(x => x.Field(Result_Table.Columns[i].ColumnName)) int count = dataTable.AsEnumerable() .Count(row => row.Field("Column-A") == "Y" || row.Field("Column-A") == "N"); 출처: c# - Linq query to count field in datatable - Stack Overflow
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