public static Image[] Img_Array = new Image[4]; public static string[] Img_Rrl = new string[4]; const int _downloadImageTimeoutInSeconds = 15; List _Values = await Image_SearchURL(items); for ( int i =0; i < _Values.Count; i++) { Uri UUII = new Uri(_Values[i].imageURL); byte[] dataArr; HttpClientHandler clientHandler = new HttpClientHandler(); clientHandler.ServerCertificateCustomValidationCallb..
The behavior of the UICollectionViewFlowLayout is not defined because: the item width must be less than the width of the UICollectionView minus the section insets left and right values, minus the content insets left and right values. Make a symbolic breakpoint at UICollectionViewFlowLayoutBreakForInvalidSizes to catch this in the debugger. ItemSizingStrategy="MeasureFirstItem" or ItemSizingStrat..
C# 암호화 / 복호화 Aes 128, Salt 추가, 파일 Master key 8 Byte 삽입) Aes 암호화된 파일앞에 userid Unicode로 삽입 복호화에서 파일앞 8바이트 userid를 확인하고 나머지는 MemoryStream에 저장 > 복호화 진행(비밀번호 Salt확인) point MemroyStream의 position이 마지막으로 가있으니 position을 처음으로 옮겨준다. Mstream.Position = 0; public static async Task EncryptFile(string inputFile, string outputFile) { try { UnicodeEncoding UE = new UnicodeEncoding(); byte[] key =UE.GetBytes(pas..
var grid = new Grid (); grid.RowDefinitions.Add (new RowDefinition { Height = GridLength.Auto }); grid.RowDefinitions.Add (new RowDefinition { Height = new GridLength (1, GridUnitType.Star) }); var stacklayout1 = new StackLayout { HeightRequest = 100, BackgroundColor = Color.Red }; var stacklayout2 = new StackLayout { BackgroundColor = Color.Blue }; Grid.SetRow (stacklayout2, 1); grid.Children.A..
2021.03.03일 Visual Studio for Mac 8.9.1651 update Apple SDK 를 찾지 못하는 현상 기본설정 > SDK 위치 > Apple > 위치: /Application/Xcode.app/ 해결됨.ㅜㅜ developercommunity.visualstudio.com/t/vs-2019-mac-fails-to-find-xcode-12/1193691 Devcom2 Sorry this browser is no longer supported Please use any other modern browser like 'Microsoft Edge'. developercommunity.visualstudio.com Dear @Rainer Mager; Thanks
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