Mit

FCM API Remote Notification Sound not Working Google Firebase Cloud Message notification Api Body. Api Body notification 에 sound 추가해 줘야함. sound 삭제하면 무음으로 알림. { "to" : "전송 대상 토큰", "collapse_key" : "type_a", "notification" : { "body" : "Body : Notification", "title" : "Title : NOtification", "badge" : 1, "sound" : "default" }, "data" : { "key1" : "Key : Data", "key2" : "Title : Data", "key3" : "",..

PostMan headers Host Unchecked ==> 404 ==> Headers Host Checked

먼저 Orderby( e=> e.Field("A1")). ThenBy(e => e.Field("A2")) 또는 ThenByDescending(e => e.Field("A2")) DataTable query2 = new DataTable(); query2 =Result_DTL.AsEnumerable() .GroupBy(row => new { TEC1 = row.Field("a1"), Grade1 = row.Field("a2") }) .Select(gcs => { var row = Result_DTL.NewRow(); row["a1"] = gcs.Key.TEC1; row["a2"] = gcs.Key.Grade1; return row; }) .OrderBy(e => e.Field("a1")).ThenByDes..

기존 BIOS를 대체하는 새로운 UEFI 컴퓨터 펌웨어 지원 파티션(MBR --> GPT) 윈도우 설치 초기화면(설치, 복구) 에서 Shift + F10 키를 눌러 도스 커맨드 창으로 이동 (경고! 파티션 초기화로 SSD데이터가 모두 삭제됩니다.) 1. X: ~~ / diskpart : diskpart 명령어 입력 2. list DIST : 디스크 상태 확인 3. select disk 0 또는 1 : ( 설치하려는 디스크(용량큰) 선택) 4. clean : disk 초기화 5. convert gpt : gpt 파티션으로 포맷 6. exit : diskpart 닫기 7. 윈도우 10 설치 계속

한페이지 Multiview BindingContext 구현은 View 한개에 두개의 모델을 넣으면 된다... BindingContext = new Page1_ViewModel(); public class Page1_ViewModel { public ObservableCollection Bind_Edu_List { get; private set; } public ObservableCollection Notices { get { return _Notices; } set { _Notices = value; OnPropertyChanged(); } } List source; public Page1_ViewModel() { // Binding 1 ----------- source = new List(); Coll..

Mysql Aes_Encrypt 쿼리 select HEX(AES_ENCRYPT('텍스트','비밀번호')); C# Encrypt String(HEX) private static string Encrypt(string _encryptString, string _passkey) { StringBuilder sbResult = new StringBuilder(); byte[] EncryptArray = UTF8Encoding.UTF8.GetBytes(_encryptString); RijndaelManaged Rdael = new RijndaelManaged(); Rdael.KeySize = 128; Rdael.BlockSize = 128; Rdael.Mode = CipherMode.CBC; Rdael.Paddi..

Mysql Aes_Decrypt 쿼리 select cast(AES_DECRYPT(unhex('암호텍스트'),'비밀번호') as char(100)) from log_member; ---------------------------------------------------------------------------------------------------- C# Decrypt String public static string Decrypt(string _decryptString, string _passkey) { RijndaelManaged Rdael = new RijndaelManaged(); Rdael.Mode = CipherMode.CBC; Rdael.Padding = PaddingMode.PKCS7..

Nginx .Net Core5 Mysql Connection String static private MySqlConnection EDC_conn; static private string EDC_GetConnectionString() { return "Server=서버IP ; Port=3306; Database=log_in; Uid = 아이디; Pwd=비밀번호; SslMode=Required;"; } static private string member_search(Member_CHK Items) { try { string EDC_connectionString = EDC_GetConnectionString(); using (EDC_conn = new MySqlConnection(EDC_connectionSt..

Warning: The unit file, source configuration file or drop-ins of Test_API.service changed on disk. Run 'systemctl daemon-reload' to reload units. => $ sudo systemctl daemon-reload daemon-reload 하고 다시 실행.

Ubuntu Unhandled exception. System.IO.IOException: Failed to bind to address http://127.0.0.1:5000: address already in use. 1. sudo netstat -tunip 2. port 5000 PID num 확인 3. sudo kill -9 27481 4. 서비스 재시작. ------------------ $ sudo netstat -tunlp Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 4 0 127.0.0.1:5000 0.0.0.0:* LIS..